generated: '2026-09-13'
method: searched
source: >-
  https://proof.arakelproof.space/openapi.json (no securitySchemes),
  https://proof.arakelproof.space/.well-known/x402,
  live HTTP 402 challenge on GET /v1/ofac-sanctions-screening,
  https://proof.arakelproof.space/skill.md, /terms
name: ARAKEL Machine Evidence Network
model: payment-gated (x402)
api_keys: false
oauth2: false
note: >-
  There are no API keys, OAuth, or securitySchemes. Authentication is identity-free
  and payment-based: free preflight/quote routes are open, and paid product routes
  answer HTTP 402 with an x402 v2 payment challenge that the caller settles with a
  signed on-chain USDC transfer. Possession of a funded, x402-capable wallet is the
  only credential.
schemes:
  - type: x402
    spec_version: 2
    transport: HTTP 402 + payment-required header (base64url JSON) and payment-required response body
    network: eip155:8453
    network_name: Base
    asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
    asset_name: USD Coin (USDC)
    scheme: exact
    pay_to: '0x3a2F36D61c9BB3b3ee72426e2B6b58d774605B5e'
    max_timeout_seconds: 300
    evidence:
      url: https://proof.arakelproof.space/v1/ofac-sanctions-screening?q=OpenAI
      http_status: 402
      amount_atomic: '5000'
      amount_usd: 0.005
free_routes:
  - /health
  - /v1/coverage
  - /v1/coverage-status
  - /v1/quote
  - /v1/machine/catalog
  - /v1/machine/sources
  - /v1/machine/sales-telemetry
  - /v1/machine/quote
  - /v1/machine/lookup-quote
  - /v1/machine/counterparty-quote
  - /v1/machine/counterparty-check-quote
  - /v1/machine/batch-quote