patchBay

1inch vs Mercury x402 API

If you need a Cryptocurrency API that's easy to integrate, go with 1inch.

1inch

API for querying decentralize exchange

Mercury x402 API

Deterministic financial data with cryptographic provenance. Payment required via x402 protocol (HTTP 402 + USDC on Base). All paid endpoints require `Authorization: Bearer x402_<token>` header. *...

1inch

  • Simple API key authentication
  • HTTPS supported
  • CORS enabled for frontend use

Mercury x402 API

  • Simple API key authentication
  • HTTPS supported
Feature1inchMercury x402 API
AuthenticationapiKeyapiKey
HTTPSYesYes
CORSYesUnknown

When to use which?

1inch works directly from the browser with CORS enabled, making it better for frontend-only apps.