Checkpoint402 · Authentication Profile

Checkpoint402 Authentication

Authentication

Checkpoint402 declares 2 security scheme(s) across its OpenAPI definitions.

CompanyAI Agentsx402PaymentsCryptocurrencyDeFiBlockchainSanctions ScreeningSEC FilingsMCP
Methods: Schemes: 2 OAuth flows: API key in:

Security Schemes

x402 payment x402
· in: header ()
none none

Source

Authentication Profile

Raw ↑ 
generated: '2026-11-03'
method: searched
source: https://checkpoint402.com/docs
docs: https://checkpoint402.com/docs
note: 'The docs state "There are no accounts or API keys". The OpenAPI declares no securitySchemes. Access to paid endpoints is gated by per-request x402 payment rather than identity.'
schemes:
- name: x402 payment
  type: x402
  in: header
  request_header: PAYMENT-SIGNATURE
  challenge_header: PAYMENT-REQUIRED
  receipt_header: PAYMENT-RESPONSE
  description: Call without payment, receive 402 with PAYMENT-REQUIRED (price, network, receiving wallet); sign a USDC transfer authorization on Base (signature only, no gas) and repeat the call with PAYMENT-SIGNATURE. Settled on-chain only if the request succeeds; the transaction is returned in PAYMENT-RESPONSE.
- name: none
  type: none
  description: Free endpoints /, /health and /openapi.json need no payment or credentials.

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