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Transaction Gateway API
API version: All versions
Introduction
Quickstart guide
Methods
Broadcast public transaction POST
Broadcast private transaction POST
Docs·APIs·Transaction Gateway API·Introduction

Introduction

The Transaction Gateway API provides reliable on-chain transaction broadcasting, supporting both public and private modes. This enables developers to choose the most appropriate broadcasting method for their use case, whether for general public transactions or for sensitive, protected transactions in a private mempool. Ideal for applications focused on security and efficiency, the Transaction Gateway API is a powerful tool for wallets, exchanges, and virtually any on-chain application.

Supported Chains

Supported Chains Chain ID
Ethereum 1
Solana 501
Base 8453
Binance 56
zkSync 324
Gnosis 100
Optimism 10
Polygon 137
Linea 59144
Sonic 146
Unichain 130
Arbitrum 42161
Avalanche 43114

Why use the Transaction Gateway API?

The Transaction Gateway API offers several key advantages:

  • Private broadcasting: provides a secure way to broadcast transactions to a private mempool, offering protection against front-running and ensuring increased transaction privacy.
  • Flexible broadcasting modes: supports both public and private transaction broadcasting, allowing users to choose the method that best fits their needs.
  • Reliable performance: ensures robust transaction delivery, even under high-volume scenarios, making it suitable for fast-paced trading environments.

Integration possibilities

The Transaction Gateway API can be integrated into a wide range of applications, including:

  • Wallets
  • Exchanges and meta-aggregators
  • Traders and arbitrage bots
  • DeFi platforms and lending protocols
  • NFT marketplaces
  • Payment processors and merchant tools

For workloads that require higher RPS, expanded quotas, or sustained performance, explore the available paid plans on the pricing page. For organizations with significant trading volumes or advanced requirements, complete this application to explore tailored Enterprise options.

API reference

For detailed information about each endpoint, refer to the Transaction Gateway API OpenAPI section.

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