# 1inch Business Portal > This file provides a machine-readable index of 1inch Business Portal documentation > for AI agents, LLMs, and automation tools, following the llmstxt.org specification. > For full inlined content, see /portal/llms-full.txt Use this file for: Latest API versions, accurate endpoints, machine-readable integrations. - Supported chains: Ethereum, Solana, Base, Binance, zkSync, Gnosis, Optimism, Polygon, Linea, Sonic, Unichain, Arbitrum, Avalanche, Monad - Integration paths: REST APIs, SDKs, WebSockets, JSON-RPC, gRPC - MCP Server: https://api.1inch.com/mcp/protocol - API categories: Trading & Liquidity, Wallet & Data, Market Data, Infrastructure ## Overview - [Welcome](https://business.1inch.com/portal/assets/docs-v2/overview/welcome.md): 1inch Business is a SaaS Web3 infrastructure platform: subscription-based access to the 1inch ecosystem, built on the same battle-tested swap and... - [Overview Getting started](https://business.1inch.com/portal/assets/docs-v2/overview/getting-started.md): Go from zero to your first API response in a few minutes. Everything below works on the free plan. Sign up at the [1inch Business... - [Products at a glance](https://business.1inch.com/portal/assets/docs-v2/overview/products.md): The platform groups its APIs into four areas -- the same grouping you see in the APIs menu. One API key and one subscription cover every product... - [Supported chains](https://business.1inch.com/portal/assets/docs-v2/overview/supported-chains.md): The 1inch Business Portal provides access to blockchain data through RPC Nodes and, on selected networks, through additional 1inch APIs such as... - [Integration paths](https://business.1inch.com/portal/assets/docs-v2/overview/integration-paths.md): Every product is reachable through more than one integration style. Pick the path that matches your stack -- they all share the same... - [Aqua](https://business.1inch.com/portal/assets/docs-v2/overview/aqua.md): 1inch Aqua is a programmable shared liquidity layer: it keeps capital in maker-controlled wallets and lets the same assets back multiple swap... - [AI & developer resources](https://business.1inch.com/portal/assets/docs-v2/overview/developer-resources.md): Tooling that keeps humans and AI agents productive while integrating. - [1inch MCP server](/portal/documentation/ai-integration/mcp-server) --... ## SDKs - [SDKs Overview](https://business.1inch.com/portal/assets/docs-v2/sdks/overview.md): The 1inch SDKs are official TypeScript libraries for building, integrating, and extending swap functionality across networks and execution models.... - [Cross-Chain SDK](https://business.1inch.com/portal/assets/docs-v2/sdks/cross-chain-sdk.md): The 1inch Cross-Chain SDK is the official TypeScript library for building gasless cross-chain swaps on top of Fusion+. It handles quote retrieval,... - [Fusion SDK](https://business.1inch.com/portal/assets/docs-v2/sdks/fusion-sdk.md): The 1inch Fusion SDK is the official TypeScript library for intent-based, gasless swaps on EVM chains. Instead of submitting a transaction... - [Solana Fusion SDK](https://business.1inch.com/portal/assets/docs-v2/sdks/solana-fusion-sdk.md): The 1inch Solana Fusion SDK is the official TypeScript library for intent-based swaps on Solana. It brings the Fusion model -- sign an intent, let... - [Limit Order SDK](https://business.1inch.com/portal/assets/docs-v2/sdks/limit-order-sdk.md): The 1inch Limit Order SDK is the official TypeScript library for the Limit Order Protocol. It builds orders, produces the EIP-712 typed data for... - [Aqua SDK](https://business.1inch.com/portal/assets/docs-v2/sdks/aqua-sdk.md): The 1inch Aqua SDK is the official TypeScript toolkit for [1inch Aqua](/portal/documentation/aqua/overview/overview), the shared liquidity layer.... - [Utilities](https://business.1inch.com/portal/assets/docs-v2/sdks/utilities.md): Beyond the swap and order SDKs, 1inch publishes lower-level libraries for contract development and protocol integration. Reusable Solidity... ## AI Integration - [AI Integration Overview](https://business.1inch.com/portal/assets/docs-v2/ai-integration/overview.md): 1inch offers two complementary ways to build with AI: the **[MCP server](/portal/documentation/ai-integration/mcp-server)** -- a live protocol... - [MCP Server](https://business.1inch.com/portal/assets/docs-v2/ai-integration/mcp-server.md): An **MCP server** exposes tools and data to AI assistants over the [Model Context Protocol (MCP)](https://modelcontextprotocol.io/) -- an open... - [Tools reference](https://business.1inch.com/portal/assets/docs-v2/ai-integration/tools-reference.md): The 1inch MCP server provides nine tools. Five execution tools require [authentication](/portal/documentation/ai-integration/mcp-server#authenticat... - [AI Skills](https://business.1inch.com/portal/assets/docs-v2/ai-integration/ai-skills.md): The **1inch AI Skills** package teaches AI agents how to connect to and use the [1inch MCP server](/portal/documentation/ai-integration/mcp-server)... - [Supported Clients](https://business.1inch.com/portal/assets/docs-v2/ai-integration/supported-clients.md): The 1inch [MCP server](/portal/documentation/ai-integration/mcp-server) and [AI Skills](/portal/documentation/ai-integration/ai-skills) work with... ## Trading & Liquidity ### Swap API - [Swap API](https://business.1inch.com/portal/assets/docs-v2/apis/swap/swap.md): 1inch Swap API product offers 3 different execution modes, designed to cover different liquidity sources and cross-chain requirements: - Intent... - [Cross-Chain Swaps (Gasless) Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/introduction.md): The 1inch Fusion+ API is a powerful solution for secure and efficient **gasless cross-chain swaps** in DeFi that uses a creative architecture of... - [EVM -> EVM](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/quick-start/evm-to-evm.md): This guide shows how to perform a cross-chain swap between two **EVM-compatible chains** (for example Ethereum to Arbitrum, BNB Chain to Polygon,... - [EVM -> Solana](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/quick-start/evm-to-solana.md): This guide shows how to perform a cross-chain swap from any **EVM-compatible chain** (Ethereum, Arbitrum, Base, BNB Chain, Polygon, Optimism,... - [Solana -> EVM](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/quick-start/solana-to-evm.md): This guide shows how to perform a cross-chain swap **from Solana to any EVM-compatible chain** (Ethereum, Arbitrum, Base, BNB Chain, Polygon,... - [Orders (API Reference)](https://api.business.1inch.com/swagger-docs/fusion-plus/orders/swagger-json): Orders API provides access to active and historical orders (latest stable: v1.2) - [Quoter (API Reference)](https://api.business.1inch.com/swagger-docs/fusion-plus/quoter/swagger-json): Quoter API provides the access to Fusion+ price curves (latest stable: v1.2) - [Relayer (API Reference)](https://api.business.1inch.com/swagger-docs/fusion-plus/relayer/swagger-json): Relayer API accepts orders and distribute them across resolvers (latest stable: v1.2) - [SDK Overview](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/sdk/overview.md): The 1inch Cross-Chain Swap SDK (Fusion+) provides high-level functionality for performing atomic cross-chain swaps between EVM chains. Fusion+... - [When and how to submit a secret](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/sdk/when-and-how-to-submit-secrets.md): After placing a cross-chain order, the maker must monitor for escrow deployment and reveal cryptographic secrets to finalize the swap. This page... - [Swapping a native token with Cross-Chain Swap](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/sdk/how-to-swap-native-tokens-cross-chain.md): With Cross-Chain Swap, you can perform a gasless cross-chain swap from a chain's native token (like ETH on Base) to an asset on another chain. For... - [Auction Calculator](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/sdk/auction-calculator.md): The `AuctionCalculator` class computes taker amounts and auction rate bumps from a limit order struct. This is useful for understanding how the... - [Intent Swap (Gasless) Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/introduction.md): 1inch Intent Swap API (Fusion mode) offers users a way to execute a **gasless swap** without spending gas or risking being front-run. To the user,... - [Quick Start - Ethereum](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/quick-start/quick-start-ethereum.md): This guide shows how to use Intent Swap (Fusion mode) to perform a gasless swap from native ETH to USDC on Ethereum. You will use the 1inch Fusion... - [Quick Start - Solana](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/quick-start/quick-start-solana.md): This guide shows how to use Intent Swap (Fusion mode) to perform a gasless swap from native SOL to JUP on Solana. You will use the 1inch Solana... - [Orders (API Reference)](https://api.business.1inch.com/swagger-docs/fusion/orders/swagger/ethereum-json): Ethereum Network1inch Fusion Open API - Gasless swap protocol for intent-based trading (latest stable: v2.0) - [Quoter (API Reference)](https://api.business.1inch.com/swagger-docs/fusion/quoter/swagger/ethereum-json): Ethereum Network1inch Fusion Open API - Gasless swap protocol for intent-based trading (latest stable: v2.0) - [Relayer (API Reference)](https://api.business.1inch.com/swagger-docs/fusion/relayer/swagger/ethereum-json): Ethereum Network1inch Fusion Open API - Gasless swap protocol for intent-based trading (latest stable: v2.0) - [Solana Overview](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/sdk/solana/overview.md): The 1inch Solana Fusion SDK enables token swaps on Solana with ultra-fast transactions and minimal fees. Unlike EVM chains where orders are signed... - [Filling and canceling Solana Fusion order](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/sdk/solana/filling-and-canceling-solana-fusion-order.md): Fusion orders on Solana have a defined lifecycle that includes filling by resolvers and cancellation options. Understanding this lifecycle helps... - [WebSocket API](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/sdk/solana/web-socket-api.md): The WebSocket API provides real-time order tracking on Solana. For applications that need instant feedback on order status, WebSocket eliminates... - [EVMs Overview](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/sdk/evms/overview.md): The 1inch Intent Swap SDK provides high-level functionality to work with Fusion mode on EVM-compatible chains. Fusion enables gasless swaps where... - [Swapping a Native Token to ERC-20](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/sdk/evms/swapping-a-native-token-to-ERC-20.md): With Intent Swap, you can swap a chain's native token (like ETH on Ethereum) to any ERC-20 token. This is ideal for users who hold only native... - [Swapping with Permit2](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/sdk/evms/swapping-with-permit2.md): Permit2 is Uniswap's universal token approval system that enables gasless approvals after a one-time setup. Instead of approving each protocol... - [WebSocket API](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/sdk/evms/websocket-api.md): The WebSocket API enables real-time order tracking for production applications. Instead of repeatedly polling the API for status updates, your... - [Classic Swap Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/swap/classic-swap/introduction.md): The 1inch classic swap API (Pathfinder v6.1) is a cutting-edge discovery and routing algorithm that offers asset exchanges at the best rates on... - [Classic Swap Quick start](https://business.1inch.com/portal/assets/docs-v2/apis/swap/classic-swap/quick-start.md): Let's go over an example of how to perform a token swap using the **1inch Classic Swap API**. --- - You must have a valid **1inch API Key**. You... - [Classic Swap Methods (API Reference)](https://api.business.1inch.com/swagger-docs/swap/swagger/ethereum-json): Ethereum Network Using 1inch Swap API, you can find the best route to exchange assets and make the exchange. Step by step: 1. Lookup addresses of toke - [Swap RWAs](https://business.1inch.com/portal/assets/docs-v2/apis/swap/real-world-assets-support.md): Real-world assets are tokenized representations of traditional financial instruments made accessible on-chain. In the case of Ondo-backed,... ### Orderbook API - [Orderbook API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/orderbook/introduction.md): 1inch Orderbook API is using the 1inch [Limit Order Protocol](https://github.com/1inch/limit-order-protocol), which is a set of smart contracts... - [Orderbook API Quickstart](https://business.1inch.com/portal/assets/docs-v2/apis/orderbook/quick-start.md): This guide shows how to create and submit a Limit Order v4 using the [@1inch/limit-order-sdk](https://github.com/1inch/limit-order-sdk) on... - [Orderbook API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/orderbook/swagger/ethereum-json): Ethereum NetworkAPI for post and select limit orders to the 1inch limit orders database.The database acts as a source of liquidity for the 1inch Aggre - [SDK Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/orderbook/sdk/introduction.md): The [limit-order-sdk](https://github.com/1inch/limit-order-sdk) is a TypeScript library developed by 1inch that enables developers to build, sign,... - [Querying the Orderbook](https://business.1inch.com/portal/assets/docs-v2/apis/orderbook/sdk/querying-the-orderbook.md): The Limit Order SDK provides a built-in `Api` class for querying orders from the 1inch Orderbook. You can retrieve orders by hash, by maker... - [Advanced usage](https://business.1inch.com/portal/assets/docs-v2/apis/orderbook/sdk/advanced-usage.md): The [limit-order-sdk](https://github.com/1inch/limit-order-sdk) can be used not only to integrate with the 1inch Orderbook, but also as a toolkit... ## Wallet & Data ### History API - [History API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/history/introduction.md): History API allows you to access accurate transaction history data across several major networks. With it, you can get such information as: -... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/history/quick-start.md): This guide will walk you through on how you can seamlessly retrieve and display wallet transactions by using the wallet history API. - Node.js and... - [History API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/history/v2.0/history/1/swagger-json): History of transactions for the user ### Traces API - [Traces API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/traces/introduction.md): The 1inch Trace API provides comprehensive, step-by-step data on every operation within on-chain transactions. This empowers developers and... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/traces/quick-start.md): 1inch's Transaction Traces API provides users with an efficient way to access transaction traces for different chains. Before fetching any... - [Traces API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/traces/v1.0/chain/1/swagger-json): Indexer for transaction traces based on debug_traceBlockByNumber and debug_traceTransaction JSON-RPC methods ### Portfolio API - [Portfolio API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/portfolio/introduction.md): The 1inch Portfolio API aggregates and presents detailed information for web3 assets across multiple wallets and chains. By leveraging this API,... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/portfolio/quick-start.md): Base URL (unified gateway at `https://api.1inch.com`): `https://api.1inch.com/portfolio/portfolio/v5.0` The OpenAPI paths for the Portfolio... - [Portfolio API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/portfolio/v5.0/openapi.json): API reference for Methods ### Balance API - [Balance API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/balance/introduction.md): The 1inch Balance API provides real-time, accurate information about token balances and allowances across multiple chains. This API is essential... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/balance/quick-start.md): In this tutorial, we will create a simple Python script to check the token balances of a given wallet address using the 1inch Balance API. We'll... - [Balance API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/balance/swagger/ethereum-json): API for retrieving token balances and allowances (latest stable: v1.2) ### Token API - [Token API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/tokens/introduction.md): The Token API retrieves comprehensive token information and allows users to search for token data using a token's name, address, or symbol. This... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/tokens/quick-start.md): In this tutorial, we will walk you through the process of using the 1inch Token API with Python and the `requests` library. We'll cover how to... - [Token API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/token/swagger-json): API for retrieving token information across multiple blockchain networks. Provides endpoints for token lists, search, and token metadata. v1.7 is the ### NFT API - [NFT API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/nft/introduction.md): Get expanded data on users' NFTs. The NFT API is designed to meet the needs of NFT platform developers and provides direct streamlined access to... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/nft/quick-start.md): The 'List NFTs' API demo will walk you through on how users can seamlessly retrieve and display a curated selection of non-fungible tokens (NFTs)... - [NFT API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/nft/dev-portal/swagger-json): API for retrieving NFT metadata, ownership information, and collection details across multiple blockchain networks. Aggregates data from OpenSea, Rari ### Token Details API - [Token Details API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/token-details/introduction.md): The Token Details API is a versatile set of endpoints designed to provide developers with in-depth insights about tokens and native tokens. This... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/token-details/quick-start.md): The Token Details API demo will walk you through how users can seamlessly retrieve and display token price changes from the past week. - Node.js... - [Token Details API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/token-details/swagger/json): API for retrieving token details, charts, and price information ## Market Data ### Gas Price API - [Gas Price API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/gas-price/introduction.md): The 1inch Gas Price API provides real-time, accurate gas price data across various blockchains, enabling developers and users to make informed... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/gas-price/quick-start.md): Here we're going to run through a full stack tutorial on the Gas Price API. As a background here is an short brief into the three parameters we... - [Gas Price API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/gas-price/swagger/ethereum-json): Using 1inch Gas Price API, you can get optimized gas price from network. (latest stable: v1.6) ### Spot Price API - [Spot Price API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/spot-price/introduction.md): The Spot Price API provides real-time token price data across multiple blockchains. This provides your users with accurate pricing information in... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/spot-price/quick-start.md): The 1inch Spot Price API allows you to retrieve on-chain prices of tradable tokens on the Ethereum network. All prices are presented in the native... - [Spot Price API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/price/swagger/ethereum-json): Ethereum Network Using 1inch token prices API, you can find out onchain price of tradable tokens. All prices present in native currency WEI. (latest s - [Oracle Deployment Guide](https://business.1inch.com/portal/assets/docs-v2/apis/spot-price/oracle-deployment-guide.md): This section provides a comprehensive guide on deploying an oracle, including the nuances of script parameters and additional setup steps. Follow... ### Charts API - [Charts API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/charts/introduction.md): The 1inch Charts API is designed to provide easy retrieval and display of chart data for onchain assets, including ERC20 tokens, NFTs, and more.... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/charts/quick-start.md): This guide will help you set up a project to retrieve and display chart data using the 1inch Charts API. You'll create a Node.js backend to handle... - [Charts API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/charts/swagger-json): Charts API API provides with access to historical candle and line charts Supported network: Ethereum, Binance Chain, Polygon ## Infrastructure ### Authentication - [Authentication](https://business.1inch.com/portal/assets/docs-v2/apis/authentication.md): The 1inch Business API supports two authentication methods: 1. **API keys** - Simple bearer tokens for direct integrations 2. **OAuth 2.1** -... ### Transaction Gateway API - [Transaction Gateway API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/transaction/introduction.md): The Transaction Gateway API provides reliable on-chain transaction broadcasting, supporting both public and private modes. This enables developers... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/transaction/quick-start.md): In this tutorial, we will guide you through the process of using the 1inch Transaction Gateway API with Python and the `requests` library. The... - [Transaction Gateway API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/tx-gateway/swagger/ethereum-json): Ethereum Network1inch Transaction Gateway Open API ### Domains API - [Domains API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/domains/introduction.md): The Domains API enables seamless interaction with blockchain-based domain services, providing tools to resolve and retrieve domain information for... - [Quickstart guide](https://business.1inch.com/portal/assets/docs-v2/apis/domains/quick-start.md): --- sidebar_position: 2 --- This guide will walk you through retrieving data from providers such as ENS, LENS, and UD using the Domains API. -... - [Domains API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/domains/v2.0/api-json): API for domain resolution and reverse lookup across ENS, Unstoppable Domains, and Lens Protocol (latest stable: v2.0) ### Web3 RPC API - [Web3 RPC API Introduction](https://business.1inch.com/portal/assets/docs-v2/apis/web3/overview.md): The Web3 RPC API provides you with an easy way to maintain a constant, secure connection to the blockchain. These nodes provide reliable,... - [Arc Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/arc_execution_api.json): OpenRPC schema for Arc execution layer methods (Ethereum-compatible EVM). Generated from verified provider method unions. - [Arbitrum Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/arbitrum_execution_api.json): OpenRPC schema for Arbitrum execution layer methods. Generated from verified provider method unions. - [Avalanche Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/avalanche_execution_api.json): OpenRPC schema for Avalanche execution layer methods. Generated from verified provider method unions. - [Base Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/base_execution_api.json): OpenRPC schema for Base execution layer methods. Generated from verified provider method unions. - [BNB Chain Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/bnb_execution_api.json): OpenRPC schema for Bnb execution layer methods. Generated from verified provider method unions. - [Cronos Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/cronos_execution_api.json): OpenRPC schema for Cronos execution layer methods. Generated from verified provider method unions. - [Ethereum Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/ethereum_execution_api.json): OpenRPC schema for Ethereum execution layer methods. Generated from verified provider method unions. - [Gnosis Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/gnosis_execution_api.json): OpenRPC schema for Gnosis execution layer methods. Generated from verified provider method unions. - [HyperEVM Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/hyperevm_execution_api.json): OpenRPC schema for HyperEVM execution layer methods. Generated from verified provider method unions (Arbitrum-compatible EVM). - [Linea Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/linea_execution_api.json): OpenRPC schema for Linea execution layer methods. Generated from verified provider method unions. - [Monad Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/monad_execution_api.json): OpenRPC schema for Monad execution layer methods. Generated from verified provider method unions. - [Optimism Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/optimism_execution_api.json): OpenRPC schema for Optimism execution layer methods. Generated from verified provider method unions. - [Polygon Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/polygon_execution_api.json): OpenRPC schema for Polygon execution layer methods. Generated from verified provider method unions. - [Robinhood Chain Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/robinhood_execution_api.json): OpenRPC schema for Robinhood execution layer methods. Generated from verified provider method unions (Arbitrum-compatible EVM). - [Solana gRPC](https://business.1inch.com/portal/assets/docs-v2/apis/web3/solana/solana-grpc.md): Yellowstone gRPC enables real-time Solana blockchain data streaming through gRPC interfaces. Stream accounts, transactions, blocks, and slots with... - [Solana Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/solana_execution_api.json): A specification of the standard interface for Solana clients (Chain ID 501). - [Sonic Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/sonic_execution_api.json): OpenRPC schema for Sonic execution layer methods. Generated from verified provider method unions. - [Unichain Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/unichain_execution_api.json): OpenRPC schema for Unichain execution layer methods. Generated from verified provider method unions. - [ZKsync Methods (API Reference)](https://business.1inch.com/portal/assets/docs-assets-v2/openrpc/web3/zksync_execution_api.json): OpenRPC schema for Zksync execution layer methods. Generated from verified provider method unions. ## Aqua - [Aqua Overview](https://business.1inch.com/portal/assets/docs-v2/aqua/overview/overview.md): 1inch Aqua is a programmable shared liquidity layer. It targets a structural inefficiency in decentralized finance: most capital locked in... - [Glossary](https://business.1inch.com/portal/assets/docs-v2/aqua/overview/glossary.md): Plain-language definitions of the terms used across these docs, with the 1inch Aqua angle. An **automated market maker (AMM)** is a smart contract... - [Capability status](https://business.1inch.com/portal/assets/docs-v2/aqua/overview/capability-status.md): What you can do on 1inch Aqua today. This is current on-chain state, not a forward-looking plan. | Capability ... - [Changelog](https://business.1inch.com/portal/assets/docs-v2/aqua/overview/changelog.md): Contract and docs versions. These docs were **last reviewed against source on 2026-07-08** (`1inch/aqua`, `1inch/swap-vm`, `1inch/sdks`);... - [Aqua Getting started](https://business.1inch.com/portal/assets/docs-v2/aqua/getting-started/getting-started.md): **Quickstart.** This is the recommended surface: build an **Order-encoded program** with `@1inch/swap-vm-sdk` and ship it via `@1inch/aqua-sdk`... - [Build an AquaApp](https://business.1inch.com/portal/assets/docs-v2/aqua/getting-started/build-an-aquaapp.md): This guide shows how to add custom pricing to **1inch Aqua**, the shared liquidity layer, using its swap engine **SwapVM**. An `AquaApp` is an... - [Worked Examples](https://business.1inch.com/portal/assets/docs-v2/aqua/getting-started/worked-examples.md): This page walks through two fully-worked numeric examples on Aqua. The first is a **fee round-trip** that shows exactly how the LP swap fee is... - [Strategy Template](https://business.1inch.com/portal/assets/docs-v2/aqua/getting-started/strategy-template.md): A complete, copy-pasteable starting point for building an Aqua strategy. It ships an **XYC** (constant-product) strategy, runs a quote and a swap... - [Automate & Agentic Liquidity](https://business.1inch.com/portal/assets/docs-v2/aqua/getting-started/automate-and-agentic-liquidity.md): Aqua is a good substrate for headless and agent-driven liquidity because a maker keeps custody the whole time: the SDK builds calldata, the... - [Liquidity Provider and Taker Guide](https://business.1inch.com/portal/assets/docs-v2/aqua/getting-started/liquidity-provider-and-taker-guide.md): Solidity-native reference for liquidity providers and takers who interact directly with the Aqua registry and AquaApp contracts, with no SDK required. - [Core Concepts](https://business.1inch.com/portal/assets/docs-v2/aqua/liquidity-layer/core-concepts.md): 1inch Aqua is a shared liquidity layer. Its swap engine is **SwapVM**, and its on-chain registry is the **Aqua** contract (`Aqua.sol`, deployed as... - [Strategy](https://business.1inch.com/portal/assets/docs-v2/aqua/liquidity-layer/strategy.md): A **strategy** is the unit of liquidity allocation in Aqua. It is the on-chain artifact a maker ships to declare, _"I will provide this liquidity,... - [Virtual balances](https://business.1inch.com/portal/assets/docs-v2/aqua/liquidity-layer/virtual-balances.md): 1inch Aqua never takes custody of maker tokens. Instead, the Aqua registry keeps a **virtual balance**, a counter that records how much of a... - [Strategy lifecycle](https://business.1inch.com/portal/assets/docs-v2/aqua/liquidity-layer/strategy-lifecycle.md): A strategy moves through three states, driven by four entry points on `Aqua.sol`: `ship()`, `pull()`, `push()`, and `dock()`. Swap execution... - [Access, resolvers & Pathfinder](https://business.1inch.com/portal/assets/docs-v2/aqua/liquidity-layer/access-resolvers-and-pathfinder.md): Access in 1inch Aqua is enforced at **four surfaces** with two independent levers: **makers are open by design** everywhere, and **takers are... - [Supported chains](https://business.1inch.com/portal/assets/docs-v2/aqua/liquidity-layer/supported-chains.md): 1inch Aqua is deployed at one deterministic address on **13 EVM chains**. The registry (`Aqua`), the router (`AquaSwapVMRouter` v1.0.2) and the... - [Risks & disclosures](https://business.1inch.com/portal/assets/docs-v2/aqua/liquidity-layer/risks-and-disclosures.md): 1inch Aqua is a self-custodial, permissionless shared liquidity layer. This page consolidates the risk framing that applies across the docs; it is... - [SwapVM engine](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/swapvm-engine.md): SwapVM, the Aqua swap engine, is the bytecode execution engine for Aqua strategies. It is a purpose-built virtual machine deployed as the... - [Program, order and strategy](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/program-order-and-strategy.md): 1inch Aqua separates _what_ a maker's liquidity does from _how_ Aqua stores and accounts for it. The same definition moves through three layers... - [Program model](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/program-model.md): A **Program** is an ordered sequence of instructions encoded as bytecode and executed on-chain when a taker calls `swap()` or `quote()`. The... - [SwapVM vs Uniswap v4 Hooks vs Algebra](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/swapvm-vs-uniswap-v4-hooks-vs-algebra.md): 1inch Aqua's **SwapVM** is a programmable pricing engine, in the same category as Uniswap v4 hooks, Algebra Integral plugins, and Balancer v3... - [Instruction set overview](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/instruction-set-overview.md): Reference for the built-in instruction contracts in `src/instructions/` of the SwapVM engine. Each instruction is a Solidity contract method that... - [Opcode gallery](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/opcode-gallery.md): This page is a directory of every opcode family registered on the deployed Aqua router, **AquaSwapVMRouter** v1.0.2... - [Write Your Own Opcode](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/write-your-own-opcode.md): source-verifiedGreen This page shows how to add a custom instruction to a SwapVM router: write the instruction, register it in the router's opcode... - [Aqua-router opcodes Overview](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/overview.md): The instruction (opcode) families registered on the deployed Aqua router, **AquaSwapVMRouter v1.0.1**. Each child page documents one opcode family... - [Balances](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/balances.md): The `Balances` instruction loads virtual reserves into the swap context, giving the downstream swap-formula instruction the `balanceIn` and... - [Controls](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/controls.md): **Controls** is the control-flow and access-guard module of the SwapVM instruction set. Unlike the pricing modules, these instructions never... - [Fee](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/fee.md): Fee instructions are applied to `amountIn`. All are wrapping instructions: they call `ctx.runLoop()` internally to execute the nested swap... - [FeeExperimental](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/fee-experimental.md): SwapVM, the Aqua swap engine, evaluates fee instructions as part of a strategy program. This page documents an **experimental** fee family that... - [XYCSwap](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/xyc-swap.md): XYCSwap is the constant-product AMM instruction (`x * y = k`) in the SwapVM instruction set, the swap engine behind 1inch Aqua. It is a terminal... - [XYCConcentrate](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/xyc-concentrate.md): The `XYCConcentrate` instruction implements a concentrated liquidity AMM swap in SwapVM, the Aqua swap engine. It computes virtual reserves from... - [PeggedSwap](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/pegged-swap.md): PeggedSwap is a square-root linear swap curve optimized for pegged assets (stablecoins, wrapped tokens, and LSTs with fixed ratios). It provides... - [Decay](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/decay.md): `Decay` is an instruction in SwapVM, the swap engine behind 1inch Aqua. It is one of the opcodes exposed by the deployed Aqua swap router... - [Extruction](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/aqua-router-opcodes/extruction.md): Extruction is a SwapVM instruction that delegates swap logic to an external, maker-controlled contract. It lets makers implement arbitrary pricing... - [Modifiers (Limit Order / Fusion router) Overview](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/modifiers-limit-order-fusion-router/overview.md): Modifier opcodes used by the 1inch Limit Order / Fusion router -- they adjust price or gate execution around a swap opcode. Child pages: the... - [Modifiers](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/modifiers-limit-order-fusion-router/modifiers.md): Modifiers are cross-cutting SwapVM instructions that extend a strategy. SwapVM is the Aqua swap engine; a modifier layers onto an existing program... - [MinRate](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/modifiers-limit-order-fusion-router/min-rate.md): MinRate is a rate-guard instruction for **SwapVM**, the Aqua swap engine. It enforces or adjusts a minimum exchange rate after the nested swap... - [OraclePriceAdjuster](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/modifiers-limit-order-fusion-router/oracle-price-adjuster.md): OraclePriceAdjuster is an instruction for SwapVM, the Aqua swap engine. It nudges swap amounts toward a Chainlink oracle price: when the oracle... - [BaseFeeAdjuster](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/modifiers-limit-order-fusion-router/base-fee-adjuster.md): BaseFeeAdjuster is a SwapVM (the Aqua swap engine) price-modifier instruction. It adjusts swap amounts based on the current network gas price:... - [Invalidators](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/limit-order-fusion-opcodes/invalidators.md): Invalidators is a SwapVM instruction module that provides order invalidation primitives. It prevents replay, enforces one-time execution, and... - [LimitSwap](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/limit-order-fusion-opcodes/limit-swap.md): Fixed-rate swap at a maker-defined price. Computes `amountIn` or `amountOut` from the fixed ratio `balanceOut / balanceIn`. **Source:**... - [TWAPSwap](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/limit-order-fusion-opcodes/twap-swap.md): TWAPSwap is a time-weighted average price (TWAP) selling instruction. It combines linear liquidity unlocking, exponential Dutch-auction price... - [DutchAuction](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/limit-order-fusion-opcodes/dutch-auction.md): `DutchAuction` is a SwapVM pre-swap price modifier that applies exponential, time-based price decay to virtual reserves before the swap formula... - [Patterns & decision tree](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/patterns-and-decision-tree.md): A **Strategy** is the ABI-encoded form of a SwapVM **Order**. The Order wraps a **Program** (an ordered sequence of instructions) that SwapVM, the... - [Constant product](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/constant-product.md): The constant product AMM is the classic `x x y = k` pool: a bidirectional, stateful strategy where takers can swap in either direction and... - [Concentrated liquidity AMM](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/concentrated-liquidity-amm.md): A constant-product AMM whose liquidity is concentrated into a bounded price range `[sqrtPriceMin, sqrtPriceMax]`. Inside the range the pool prices... - [Pegged swap](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/pegged-swap.md): `PeggedSwap` is the **pegged** strategy archetype in 1inch Aqua, one of three archetypes (`xyc`, `concentrated`, `pegged`) served by a single... - [Decay AMM](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/decay-amm.md): The Decay AMM is a constant-product (xyc) automated market maker with a Mooniswap-style virtual-balance decay modifier. You author it as a program... - [Limit order](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/limit-order.md): Limit Order is a fixed-rate, single-direction swap program. The maker embeds a price ratio as static balances, and takers fill at exactly that... - [RFQ (Request for Quote)](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/rfq-request-for-quote.md): An RFQ (request for quote) order is a limit order whose price is quoted off-chain by the maker, typically a market maker responding to a quote... - [Dutch Auction](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/dutch-auction.md): A Dutch auction is a limit order whose effective price improves over time until a taker fills it. It is built by placing a balance-decay modifier... - [TWAP / DCA](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/twap-dca.md): Time-Weighted Average Price (TWAP) and Dollar-Cost Averaging (DCA) are order archetypes that release liquidity over a fixed schedule. They are... - [Conditional access](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/conditional-access.md): Conditional access turns a swap into a permissioned one: a strategy can require the taker to hold a specific token or NFT before a fill is... - [Best route selector](https://business.1inch.com/portal/assets/docs-v2/aqua/swapvm/patterns/best-route-selector.md): The **Best Route Selector** is an Advanced preset that evaluates multiple sub-strategy branches at execution time and runs the one that produces... - [Smart Contract](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/smart-contract.md): Complete function reference for `Aqua.sol` (the Aqua registry) and `AquaApp` (the base contract that swap applications inherit). In production,... - [Events & Interfaces](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/events-and-interfaces.md): source-verified This page is the canonical reference for the Aqua smart-contract event log and its Solidity interfaces. Every signature, event,... - [Encoding Reference](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/encoding-reference.md): This page gives the exact packed bit and byte layouts used by the on-chain SwapVM and Aqua contracts, so an off-chain decoder can reconstruct... - [Contract Addresses](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/contract-addresses.md): > **Status note (2026-07-29).** The announced **vanity-address redeployment is live**: the canonical registry is now... - [Verified Contract Addresses](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/verified-contract-addresses.md): > **Status note (2026-07-29).** The **vanity-address redeployment is live**: canonical registry `0x1111113ccf1426a8e30e2bff5e005d929bf6a90a`... - [Data & Analytics](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/data-and-analytics.md): How to attribute volume and monitor strategies from on-chain data. Every field below is decoded from event data; see [Events &... - [SDK Overview](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/sdk-overview.md): Two published TypeScript packages in the `1inch/sdks` monorepo drive Aqua end-to-end. (Python/Rust are placeholders today.) | Package ... - [Debug](https://business.1inch.com/portal/assets/docs-v2/aqua/reference/debug.md): The debug instructions are Foundry-only helpers that print swap state to the console during local testing. They are not part of the production... - [API Introduction](https://business.1inch.com/portal/assets/docs-v2/aqua/api/introduction.md): The 1inch Aqua API provides HTTP access to the [Aqua Protocol](https://github.com/1inch/aqua) -- a shared liquidity layer that lets liquidity... - [API Quickstart](https://business.1inch.com/portal/assets/docs-v2/aqua/api/quick-start.md): Base URL: `https://api.1inch.com/aqua` The gateway rewrites `/aqua/...` to the Aqua service. OpenAPI spec: `/aqua/swagger-json`. :::info All... - [API Methods (API Reference)](https://api.business.1inch.com/swagger-docs/aqua/swagger-json): Multichain REST API for Aqua strategies, balances, fees, and performance across supported EVM chains. (latest stable: v1.0) - [Aqua FAQ](https://business.1inch.com/portal/assets/docs-v2/aqua/help/aqua-faq.md): Answers for makers providing liquidity on **1inch Aqua**, the shared liquidity layer. Questions are phrased as real search queries; this is the... - [SwapVM FAQ](https://business.1inch.com/portal/assets/docs-v2/aqua/help/swapvm-faq.md): Developer answers about **SwapVM**, the programmable execution engine behind 1inch Aqua. Questions are phrased as real search queries and answered... ## Resolvers - [Resolvers Introduction](https://business.1inch.com/portal/assets/docs-v2/resolvers/introduction.md): Welcome to the onboarding guide for becoming a Resolver in the 1inch ecosystem. This document outlines the self-service onboarding process and... - [Terms of Use Resolver Terms](https://business.1inch.com/portal/assets/docs-v2/resolvers/terms-of-use.md): The document defines eligibility, obligations, and compliance requirements for approved resolvers. Explore the... - [Limit Order Quick Start](https://business.1inch.com/portal/assets/docs-v2/resolvers/limit-order/quick-start-for-limit-order.md): Once verified, it's time to integrate. The following resources will help you start fast: - [Limit Order Protocol Extension... - [Contract interaction](https://business.1inch.com/portal/assets/docs-v2/resolvers/limit-order/contracts-interaction.md): | Name | Contract | Address ... - [Resolver farming guide](https://business.1inch.com/portal/assets/docs-v2/resolvers/limit-order/resolver-farming-guide.md): As a resolver, offering farm incentives to delegators can help increase your Unicorn Power balance and consequently, your probability of filling... - [Unicorn Power setup](https://business.1inch.com/portal/assets/docs-v2/resolvers/limit-order/unicorn-power-setup.md): These steps initialize Unicorn Power farming: 1. Approve staking 1INCH for 1inch contract. 2. Stake 1INCH to gain Unicorn Power. 3. Add a... - [Evm quicklinks](https://business.1inch.com/portal/assets/docs-v2/resolvers/intent/evm.md): Once verified, it's time to integrate. Start exploring [Swap APIs technical documentation](/documentation/apis/swap/intent-swap/introduction) to... - [Solana quicklinks](https://business.1inch.com/portal/assets/docs-v2/resolvers/intent/solana.md): Once verified, it's time to integrate. The following resources will help you start fast: - [Solana Intent Swaps... - [Cross chain examples](https://business.1inch.com/portal/assets/docs-v2/resolvers/cross-chain/cross-chain-test-examples.md): This section provides a practical, end-to-end overview of working with the **1inch Cross-Chain Swaps** infrastructure from a resolver perspective.... - [Exclusive Resolver API Terms](https://business.1inch.com/portal/assets/docs-v2/resolvers/exclusive-resolver-terms.md): The Exclusive Resolver API is a new feature available for resolvers within the 1inch Fusion mode. This API allows a 1inch Fusion resolver to be... ## FAQ - [API Error Messages](https://business.1inch.com/portal/assets/docs-v2/faq/api-error-messages-explained.md): If you're encountering issues with our API, this guide will help you understand some common error messages and their meanings. _Please note: This... - [API Troubleshooting](https://business.1inch.com/portal/assets/docs-v2/faq/api-troubleshooting.md): As of August 2023, all free public API usage has been reduced to 1 requests per second (rps). :::info For workloads that require higher RPS,... - [Cors errors](https://business.1inch.com/portal/assets/docs-v2/faq/cors-error-faq.md): When integrating the 1inch API in your dApp, you might experience an issue with CORS (Cross-Origin Resource Sharing). It can be confusing,... - [Tx input data](https://business.1inch.com/portal/assets/docs-v2/faq/how-to-read-tx-input-data.md): In this article, we'll learn how to read and decode the raw calldata that's passed to Ethereum smart contracts. The calldata contains the function... - [Infrastructure fees](https://business.1inch.com/portal/assets/docs-v2/faq/infrastructure-fee.md): Infrastructure fees apply to Swap API transactions. These fees are deducted from the destination amount of each completed Network Request and are... ## Support - [Real-world assets (RWA) support](https://business.1inch.com/portal/support/article/13212447): What is 1inch's role in RWA integration? 1inch acts as a non-custodial aggregation and execution layer, enabling access to RWA tokens via the Swap API - [Magic link issues](https://business.1inch.com/portal/support/article/16886490): Email activation error - Users MUST register with SSO via Github or Google before they can generate a magic link. There is no method to only sign in v - [Common API Error Messages Explained](https://business.1inch.com/portal/support/article/8422842): If you're encountering issues with our API, this guide will help you understand some common error messages and their meanings. General Errors 400 - Ba - [What languages does the 1inch Business support?](https://business.1inch.com/portal/support/article/8186441): Currently, 1inch Business only supports English; however, keep an eye out for more languages to come! - [How to access the 1inch Business Portal](https://business.1inch.com/portal/support/article/16770984): The 1inch Business Portal is where you create API keys, manage your subscription, and monitor your API usage. Creating an account Registration is self - [Registration: KYC requirement](https://business.1inch.com/portal/support/article/9821013): At 1inch, we're constantly working to improve platform security and build a compliant reputation within the overarching web3 ecosystem. In line with - [How to add or change your billing address](https://business.1inch.com/portal/support/article/11581772): Keeping your billing address up to date ensures smooth invoicing and compliance with financial regulations. You can add or update your billing address - [Understanding and managing user roles in 1inch Business](https://business.1inch.com/portal/support/article/9549117): Different user roles define the actions users can perform within 1inch Business. This guide will help you understand the various roles and the permiss - [How to change 1inch Business theme](https://business.1inch.com/portal/support/article/8186443): To change 1inch Business theme: Open the account menu in the upper-right corner of any page. In the menu opened, select from light, automatic, or dark - [How to regenerate an API key](https://business.1inch.com/portal/support/article/8186455): If you need to regenerate an API key for any reason (whether it be for security reasons or staff changes, etc.), it is quite easy! To get started, nav - [How to delete your account](https://business.1inch.com/portal/support/article/8186430): To delete your 1inch Business account: In the top-right corner of any page, open the account menu and select Profile . Navigate to Delete tab. Select - [How to change your profile settings](https://business.1inch.com/portal/support/article/8186424): To change or modify your 1inch Business profile settings, open the account menu in the upper-right corner of the page and select Profile . From here, - [1inch enables RWA swaps via upgraded Intent Swap API](https://business.1inch.com/portal/support/article/12132359): What's new 1inch has upgraded its Intent Swap API to support tokenized real-world assets (RWAs). With this update, RWAs are now accessible via the 1in - [How to contact sales](https://business.1inch.com/portal/support/article/8186363): If you need custom API limits, a tailored number of users, personalized pricing, or dedicated account support, request an Enterprise plan through the - [How to increase your 1inch API rate limits](https://business.1inch.com/portal/support/article/8703748): Pricing and upgrades for 1inch Business subscription plans When you create an account yourself in 1inch Business, it's automatically assigned the Dev - [How to top up your plan with extra requests](https://business.1inch.com/portal/support/article/10214433): The API top-up feature allows you to independently increase your monthly API call quota without the need to upgrade your subscription. This self-servi - [Integrator (partner) fees: why your referrer fee may not be paid](https://business.1inch.com/portal/support/article/16119187): Integrator (partner) fees: why your referrer fee may not be paid What are integrator fees? If you build on the 1inch APIs, you can charge your users a - [How to manage your subscription](https://business.1inch.com/portal/support/article/12867971): Before you start, make sure you are logged in to your 1inch Business account and have the Owner role . Upgrading your subscription Navigate to the 1in - [Pricing and subscriptions FAQ](https://business.1inch.com/portal/support/article/12398075): How are API plans priced for usage spikes and overages? API plans are not billed dynamically for short usage spikes. Each plan has fixed request limit - [How to customize your subscription plan](https://business.1inch.com/portal/support/article/11703585): Introduction The 1inch custom plan configurator is a flexible tool designed for users who want to build a subscription plan tailored to their specific - [How to access your invoice after payment or renewal](https://business.1inch.com/portal/support/article/9037727): If you've completed a new plan purchase or your renewal is due, there are two ways to get the invoice: For every payment that is due, we dispatch the - [How to pay your plan's invoice](https://business.1inch.com/portal/support/article/9389950): To ensure seamless management of your subscription, it's important to use the designated 1inch Business payment system when settling your bill. Steps - [Ethereum](https://business.1inch.com/portal/support/article/12351066): What is Ethereum and why build on Ethereum Mainnet? Ethereum Mainnet is the primary public Ethereum production blockchain where ETH and tokens carry r - [1inch APIs](https://business.1inch.com/portal/support/article/12380515): What are 1inch APIs and how can I use them? 1inch APIs give you plug-and-play access to DeFi--swap tokens, fetch prices, track balances, and connect t - [Pricing](https://business.1inch.com/portal/support/article/12380488): How are API plans priced for usage spikes and overages? API plans are not billed dynamically for short usage spikes. Each plan has fixed request limit ## Payment methods - [Payment methods Overview](https://business.1inch.com/portal/assets/docs-v2/payment-methods/overview.md): There are two ways to pay for access to 1inch APIs. Pick the one that fits your usage, or combine them. - **[Subscription... - [Subscriptions](https://business.1inch.com/portal/assets/docs-v2/payment-methods/subscriptions/subscriptions.md): A **subscription** gives you a monthly quota of 1inch API calls for a fixed price, authenticated with an **API key**. It is the standard way to... - [Subscriptions Getting started](https://business.1inch.com/portal/assets/docs-v2/payment-methods/subscriptions/getting-started.md): Sign in or register at the [1inch Business Portal](/portal/login). During onboarding you create your first application. Applications organize your... - [Managing your subscription](https://business.1inch.com/portal/assets/docs-v2/payment-methods/subscriptions/managing-your-subscription.md): Manage your plan from the portal under your organization's subscription settings. - Plans are billed per **interval**: 1, 3, 6, or 12 months,... - [Monitoring usage](https://business.1inch.com/portal/assets/docs-v2/payment-methods/subscriptions/monitoring-usage.md): Track how much of your plan quota you have used in the Business Portal under [**Observability -> Usage**](/portal/observability/usage) (keep the... - [x402](https://business.1inch.com/portal/assets/docs-v2/payment-methods/x402/x402.md): 1inch APIs support **pay-per-call** access through the open **x402** standard: pay per request in **USDC on Base**, with no subscription and no... - [x402 Getting started](https://business.1inch.com/portal/assets/docs-v2/payment-methods/x402/getting-started.md): This guide takes you from an empty account to your first paid x402 request. Every paid call is a **two-request** flow: the server challenges with... - [Client library](https://business.1inch.com/portal/assets/docs-v2/payment-methods/x402/client-library.md): The manual two-request flow (`402` challenge -> signed retry) is handled for you by the official **x402 client SDK** maintained by the... - [Wallet management & refunds](https://business.1inch.com/portal/assets/docs-v2/payment-methods/x402/wallet-and-refunds.md): You can unlink a wallet from an application in the Business Portal at any time (**Applications -> Application details -> x402 Linked wallets ->... - [Avoiding interruptions](https://business.1inch.com/portal/assets/docs-v2/payment-methods/x402/avoiding-interruptions.md): Paid x402 calls only fail for a few reasons, and all are easy to avoid: | What happens ... - [Monitoring usage](https://business.1inch.com/portal/assets/docs-v2/payment-methods/x402/monitoring-usage.md): Track live x402 consumption in the Business Portal under [**Observability -> Usage**](/portal/observability/usage) (switch the toggle from... ## Optional - [WebSocket API](https://business.1inch.com/portal/assets/docs-v2/apis/swap/cross-chain-swap/sdk/web-socket-api.md): The WebSocket API enables real-time order tracking for cross-chain swaps. Instead of repeatedly polling the API for status updates, your... - [Migration from v1.0 to v2.0](https://business.1inch.com/portal/assets/docs-v2/apis/swap/intent-swap/migration/migration-v10-v20.md): Following changes must be done to migrate from v1.0 to v2.0. Adding of parameter:\ `isPermit2`: permit2 allowance transfer encoded call Removing... - [Migration from v5.0 to v5.2](https://business.1inch.com/portal/assets/docs-v2/apis/swap/classic-swap/migration/migration-v50-v52.md): Following changes must be done to migrate from v5.0 to v5.2 Renaming of parameter:\ `fromTokenAddress` -> `src`\ `toTokenAddress` -> `dst`... - [Migration from v5.2 to v6.0](https://business.1inch.com/portal/assets/docs-v2/apis/swap/classic-swap/migration/migration-v52-v60.md): Renaming of parameter:\ `fromToken` -> `srcToken`\ `toToken` -> `dstToken`\ `toAmount` -> `dstAmount` `usePermit2: boolean` - use Permit2 for approval - [Migration from v6.0 to v6.1](https://business.1inch.com/portal/assets/docs-v2/apis/swap/classic-swap/migration/migration-v60-v61.md): The following changes must be made when migrating from v6.0 to v6.1. - The `protocols[][][]` structure remains, but the format of protocol data... - [Migration V3 - V4](https://business.1inch.com/portal/assets/docs-v2/apis/orderbook/migration/migration-v3-v4.md): Following changes must be done to migrate from v3.0 to v4.0 - `statuses`: change from `array` (`[1,2,3]`) to `comma-separated list` (`1,2,3`) -... - [Migration from v4 to v5.0](https://business.1inch.com/portal/assets/docs-v2/apis/portfolio/migration/migration-v40-v50.md): **V5 introduces a fundamental separation between `snapshot` and `metrics`:** - `snapshot` -- a state at a specific point in time - `metrics` --...