TODO_TAGS_REVIEW
TODO_AP2_EXPORT_REVIEW

A2A x402-Extension Mandate Validator

Validates the A2A x402 extension (Coinbase/MetaMask/Ethereum Foundation) that carries crypto-payment authority inside an AP2 mandate: extension declaration in the A2A agent card, payment-authority scope, settlement-rail binding, exact-scheme x402 PaymentPayload lint, and mandate-to-payment-leg consistency. PASS/WARN/FAIL verdict + execution_hash. Educational/simulation.

Tool URL: https://ainumbers.co/chaingraph/art-31-a2a-x402-extension-mandate-validator.html

post/v1/tools/validate_a2a_x402_mandate

Request

  • Base URL: https://ainumbers.co
  • URL: https://ainumbers.co/v1/tools/validate_a2a_x402_mandate
  • Auth: none declared

Request body

agent_cardunknown required
mandate_capunknown required
payment_payloadunknown required

Response

Successful tool execution result

extension_declaredboolean
fail_countinteger
pass_countinteger
payment_authority_scope_presentboolean
settlement_rail_boundboolean
verdictstring
warn_countinteger

Changes

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