x402
testing
payment-terms
integration

Inspect x402 payment terms without making a payment

Free inspection of supplied x402 v1/v2 payment terms against the SDK schema and optional network, asset, recipient and atomic budget constraints. Exact EVM profile checks only. No wallet connection, external fetch, signature verification or settlement. Other profiles are explicitly untested.

post/v1/tests/preflight

Request

  • Base URL: https://api.402rates.com
  • URL: https://api.402rates.com/v1/tests/preflight
  • Auth: none declared

Request body

challengeobject

Decoded PaymentRequired object from HTTP or MCP structuredContent. No signed payment or credentials.

Response

Successful response

report_version'1.0.0' required
statusstring required
threshold_bpsnumber
dataobject[]

Changes

No recorded changes to this operation across all 1 revision of this API.