openapi: 3.2.0
info:
  title: Scro Orphan Desk Echo API
  version: 1.2.0
  description: Machine-only Resurrection Echo API with x402 paywall.
servers:
- url: https://dualregistry.dev
tags:
- name: Echo
paths:
  /api/echo:
    get:
      summary: Redeem Echo
      responses:
        '200':
          description: Full Echo
        '402':
          description: x402 payment required
      tags:
      - Echo
      operationId: getApiEcho
      x-operation-id-source: derived