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OpenAPI Specification

openapi: 3.2.0
info:
  title: 47620 Xyz Agent API
  version: 2.0.0
  contact:
    email: rem@roessan.cl
  x-guidance: 'Call GET /buy/:productId with no header to receive the HTTP 402 payment requirements (accepts[] with network solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, asset=USDC SPL mint, payTo=merchant wallet, amount in atomic units). Pay on-chain: net -> payTo (merchant), platform fee -> platformWallet (both transfers verified). Then retry the SAME URL with header X-PAYMENT: base64(JSON {txSignature, buyerWallet}). On success you get 200 with the delivery payload. GET /buy lists products (free).'
  description: 'Operations tagged Agent across 2 of this provider''s published API definitions: 47620-xyz-openapi.yml, openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://47620.xyz
tags:
- name: Agent
paths:
  /x/sign-check/{address}:
    get:
      operationId: x_sign_check
      summary: 'Pre-signature verdict in ONE call: sign / review / do-not-sign for a Solana or…'
      tags:
      - Agent
      parameters:
      - name: address
        in: path
        required: true
        schema:
          type: string
        description: Solana base58 pubkey or 0x EVM address
      - name: amount
        in: query
        required: false
        schema:
          type: string
        description: Optional transfer size in USD, to weight the verdict
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.020'
        protocols:
        - x402: {}
      responses:
        '200':
          description: Pre-signature verdict (delivered after x402 payment)
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  decision:
                    type: string
                    enum:
                    - sign
                    - review
                    - do-not-sign
                    - unknown
                  score:
                    type: number
                  address:
                    type: string
                  available:
                    type: boolean
                  retryable:
                    type: boolean
                  rule:
                    type: string
                  evidence:
                    type: object
        '402':
          description: Payment Required
    servers:
    - url: https://47620.xyz
  /x/sign-check:
    get:
      operationId: x_sign_check_catalog
      summary: Sign Check catalog (FREE) — one call, one decision, before an agent signs.
      tags:
      - Agent
      security: []
      responses:
        '200':
          description: Sign Check catalog (FREE) — one call, one decision, before an agent signs. Covers Solana, Base and Polygon. Returns sign / review / do-not-sign / unknown plus the explicit rule and per-source evidence. For chains this service cannot verify on-chain it says unknown with a reason instead of inventing a verdict.
    servers:
    - url: https://47620.xyz
components:
  securitySchemes:
    siwx:
      type: apiKey
      in: header
      name: X-SIWX
      description: Sign-In with X wallet proof (used by registries; not required to buy).
x-refined-from:
- 47620-xyz-openapi.yml
- openapi.json