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OpenAPI Specification

openapi: 3.2.0
info:
  description: 'Implementation reference; deployment and live E2E not claimed. Native USDC /30 days: Starter 9 (1 key/1 hook), Business 19 (3/3), Pro 29 (10/10); API/webhooks bundled. Seven-day trial 1/1. Generic Make/n8n/WooCommerce HTTP recipes, not official connectors. Mutations cannot confirm payments. Payment confirmation requires matching verified blockchain ledger evidence. Bearer read/write scopes; management uses dashboard cookie + CSRF. At-least-once signed delivery, durable dedup required; max five attempts. See /developers/reference.'
  title: Skavio Payment Proof REST Contacts API
  version: '1.0'
servers:
- description: Intended public prefix; availability pending deployment
  url: https://www.skavio.eu/proof
tags:
- name: Contacts
paths:
  /v1/contacts:
    get:
      parameters:
      - in: query
        name: limit
        schema:
          default: 50
          maximum: 100
          minimum: 1
          type: integer
      - description: Opaque next_cursor; ID order, not chronological.
        in: query
        name: before
        schema:
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    items:
                      $ref: '#/components/schemas/Contact'
                    type: array
                  next_cursor:
                    type:
                    - string
                    - 'null'
                required:
                - data
                - next_cursor
                type: object
          description: Success
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Missing, invalid, inactive or insufficient scope key
        '403':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Cross-site or customer-access denial
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Missing or foreign resource
        '409':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Idempotency conflict
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Validation or quota failure
        '429':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Rate limit
        '503':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Temporary service failure
      security:
      - PaymentProofBearer: []
      summary: Bounded tenant contacts
      x-required-scope: read
      tags:
      - Contacts
      operationId: getV1Contacts
      x-operation-id-source: derived
    post:
      parameters:
      - description: Persist per business operation. Identical replay returns original response; changed payload/operation returns 409. Tenant scoped, retained durably.
        in: header
        name: Idempotency-Key
        required: true
        schema:
          pattern: ^[A-Za-z0-9_-]{16,80}$
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactCreate'
        required: true
      responses:
        '201':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
          description: Success
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Missing, invalid, inactive or insufficient scope key
        '403':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Cross-site or customer-access denial
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Missing or foreign resource
        '409':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Idempotency conflict
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Validation or quota failure
        '429':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Rate limit
        '503':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Temporary service failure
      security:
      - PaymentProofBearer: []
      summary: Create contact without automatic mail or payment
      x-required-scope: write
      tags:
      - Contacts
      operationId: postV1Contacts
      x-operation-id-source: derived
components:
  schemas:
    Error:
      properties:
        error:
          type: string
      required:
      - error
      type: object
    ContactCreate:
      additionalProperties: false
      properties:
        address:
          type: string
        email:
          format: email
          type: string
        legal_name:
          type: string
        reference:
          type: string
      required:
      - legal_name
      - email
      type: object
    Contact:
      properties:
        address:
          type: string
        email:
          type: string
        id:
          type: string
        legal_name:
          type: string
        reference:
          type: string
      required:
      - id
      - legal_name
      - email
      type: object
  securitySchemes:
    PaymentProofBearer:
      description: Payment Proof skp_ key only; read for GET, write for POST. No cookie fallback.
      scheme: bearer
      type: http