openapi: 3.2.0
info:
  title: PaidHandshake Exchange Checkout API
  version: 2.9.0
  description: Broad lawful paid public-web research and commercial-intelligence routing, verified data feeds, delegated machine payments and recurring watches for autonomous agents.
servers:
- url: https://paidhandshake.com
tags:
- name: Checkout
paths:
  /api/v1/checkout:
    post:
      operationId: createCheckout
      summary: Create a buyer-authorized Stripe Checkout handoff
      responses:
        '200':
          description: Checkout URL
      tags:
      - Checkout
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: One-time-issued phm_ machine API key. Store securely; PaidHandshake stores only a hash.