Portfolio API

Track value across chains, protocols and wallets.

Supported Chains 12
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Unified portfolio analytics

Monitor asset performance across networks and wallets in one place: total value, P&L and protocol positions.
Cross-Chain Coverage P&L and ROI tracking Opportunity discovery
Add multiple wallets in one dashboard. Track holdings and positions across Ethereum, Solana and leading Layer 2 networks.

Portfolio API supports 12 chains.

Ethereum
BNB Chain
Polygon
Optimism
Arbitrum
Gnosis
Avalanche
ZKsync
Base
Linea
Unichain
Sonic

1inch Business is built for faster workflows

Integrate in minutes, debug without leaving your IDE. Docs, SDKs, and auth optimized for agentic development.

Documentation

Get started quickly

Learn how to use the APIs with docs, guides, and code snippets.
Read API docs

Authentication

API Key or OAuth 2.1

Authenticate with a simple API key, or choose OAuth 2.1 with PKCE for rotating tokens, browser-based consent, and zero shared secrets.
See auth docs

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Support

Answers to common questions and 24/7 support regardless of subscription.

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