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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 Events API
  version: '1.0'
servers:
- description: Intended public prefix; availability pending deployment
  url: https://www.skavio.eu/proof
tags:
- name: Events
paths:
  /v1/events:
    get:
      parameters:
      - in: query
        name: after
        schema:
          default: 0
          minimum: 0
          type: integer
      - in: query
        name: limit
        schema:
          default: 50
          maximum: 100
          minimum: 1
          type: integer
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    items:
                      properties:
                        cursor:
                          type: integer
                        event:
                          $ref: '#/components/schemas/Event'
                      required: []
                      type: object
                    type: array
                  next_cursor:
                    type: integer
                required: []
                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: Retained event stream; not historical delivery replay
      x-required-scope: read
      tags:
      - Events
      operationId: getV1Events
      x-operation-id-source: derived
components:
  schemas:
    Error:
      properties:
        error:
          type: string
      required:
      - error
      type: object
    Event:
      properties:
        api_version:
          const: '1.0'
        data:
          properties:
            amount_atomic:
              description: Native USDC atomic units (six decimals); pay exact amount including matching delta.
              minimum: 1
              type: integer
            invoice_id:
              type: string
            network:
              type: string
            number:
              type: string
            quoted_amount_atomic:
              description: Native USDC atomic units (six decimals); pay exact amount including matching delta.
              minimum: 1
              type: integer
            request_id:
              type: string
            status:
              type: string
            tx_hash:
              type:
              - string
              - 'null'
            verified_at:
              type: integer
          required: []
          type: object
        id:
          type: string
        occurred_at:
          type: integer
        type:
          enum:
          - payment_request.created
          - invoice.issued
          - invoice.voided
          - payment.confirmed
          - invoice.paid
      required:
      - id
      - api_version
      - type
      - occurred_at
      - data
      type: object
  securitySchemes:
    PaymentProofBearer:
      description: Payment Proof skp_ key only; read for GET, write for POST. No cookie fallback.
      scheme: bearer
      type: http