Swap API

Executable token swap calldata in one GET request with no API keys, accounts, or SDK required.

swap-api 23 ↓ 399
Claude CodeClaude DesktopGeneric
View source ↗

Token swap API providing executable calldata in a single GET request. Supports multiple chains including Ethereum, Base, Arbitrum, and Polygon with no authentication required. Returns ready-to-sign transaction data with slippage protection and price impact calculations.

Source

Repository: https://github.com/swap-api/swap-api

Maintain Swap API?

Let people know it's listed here — add the badge (live metrics, light/dark aware) or a plain link to your README or docs.

[Swap API on getagentictools](https://getagentictools.com/mcp/swap-api-swap-api?ref=badge)