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OpenAPI Specification

openapi: 3.2.0
info:
  title: 47620 Xyz Underwriting 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 Underwriting 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: Underwriting
paths:
  /x/payer:
    get:
      operationId: payer_shape_rubric
      summary: Payer shape rubric (FREE) — did this payer CHOOSE or SAMPLE?
      tags:
      - Underwriting
      security: []
      responses:
        '200':
          description: 'Payer shape rubric (FREE) — did this payer CHOOSE or SAMPLE? Shape classes (loop/sweep/single-shot/mixed/insufficient), published thresholds, and the two paid endpoints below. Shape separates a returning customer from a catalogue crawler: 40 calls over 40 products and 40 calls on one product look identical in a row count.'
    servers:
    - url: https://47620.xyz
  /x/payer-shape/index:
    get:
      operationId: payer_shape_index
      summary: Shape verdict for every payer on this rail, filterable by shape ($0.50).
      tags:
      - Underwriting
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.50'
        protocols:
        - x402: {}
      parameters:
      - name: shape
        in: query
        required: false
        schema:
          type: string
          enum:
          - loop
          - sweep
          - single-shot
          - mixed
          - insufficient
          - operator
        description: Filter payers by shape class
      security: []
      responses:
        '200':
          description: Payer shape index
        '402':
          description: Payment Required — x402 payment requirements ($0.50)
    servers:
    - url: https://47620.xyz
  /x/payer/{wallet}:
    get:
      operationId: payer_shape
      summary: Did this payer choose or sample?
      tags:
      - Underwriting
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.50'
        protocols:
        - x402: {}
      parameters:
      - name: wallet
        in: path
        required: true
        schema:
          type: string
        description: Payer wallet address (Solana or EVM)
      security: []
      responses:
        '200':
          description: Payer shape verdict
        '402':
          description: Payment Required — x402 payment requirements ($0.50)
    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