openapi: 3.2.0
info:
  title: 54ch10 Brief .well Known .well Known API
  description: 'Pre-interact JSON briefs for EVM addresses, tokens, and URLs (phishing/scam/wallet/URL-reputation heuristics). Analytics-only — not financial, legal, or investment advice. Canonical GET /v1/brief returns HTTP 402 + x402 PAYMENT-REQUIRED (USDC $0.01 Base preferred) unless Bearer 54k_ or PAYMENT-SIGNATURE. Demo free: X-54ch10-Free: 1 or GET /v1/brief/free (20/day/IP). Discovery: GET /.well-known/x402.'
  version: 0.4.1
  contact:
    name: 54ch10
    url: https://54ch10.uk
    email: brainpowerux@gmail.com
  license:
    name: Proprietary
    url: https://54ch10.uk/LEGAL_DISCLAIMER.txt
  x-apisguru-categories:
  - security
  - cryptocurrency
  x-logo:
    url: https://54ch10.uk/favicon.ico
  x-x402:
    discovery: https://54ch10.uk/.well-known/x402
    priceUsd: '0.01'
    networks:
    - eip155:8453
    - solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
    payToEvm: '0xF9eb0Caa13B78f92E2850bf5961eB9736354aA3d'
    payToSolana: EcGUGSda9VNzYgUmYA8mTg88MhNYeyA5tgaCgwzxfFNs
    facilitator: https://facilitator.payai.network
servers:
- url: https://54ch10.uk
  description: Production
tags:
- name: .well Known
paths:
  /.well-known/x402:
    get:
      operationId: getX402Discovery
      summary: x402 service discovery manifest
      description: 'Machine-readable x402 manifest for agent402.tools / bazaar indexers. Alias: /.well-known/x402.json'
      responses:
        '200':
          description: Discovery JSON
          content:
            application/json:
              schema:
                type: object
      tags:
      - .well Known
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: 54k_
      description: Optional paid API key (54k_…). Alternatively pay per call with x402 USDC.