openapi: 3.1.0 info: title: Clover Ecommerce CHARGES CHECKOUT API description: 'Clover Ecommerce API v1 — online (card-not-present) payments: charges, captures, refunds, tokenization, and hosted checkout. Authentication uses OAuth 2.0 / PAKMS Ecommerce API keys. Schemas and operations are derived from the Clover developer reference at docs.clover.com.' version: v1 contact: name: Clover Developer Platform url: https://docs.clover.com/dev/reference x-generated-from: documentation x-last-validated: '2026-06-02' servers: - url: https://scl.clover.com description: Production Ecommerce - url: https://scl-sandbox.dev.clover.com description: Sandbox Ecommerce security: - OAuth2: [] tags: - name: CHECKOUT paths: /invoicingcheckoutservice/v1/checkouts: post: summary: Clover Create Checkout description: '> **Note:** To use this endpoint, please select the **API Sandbox server** (`https://apisandbox.dev.clover.com`) from the Base URL dropdown in the right panel. Creates a hosted checkout payment object to connect an application. Use this endpoint to request a new checkout session for a customer transaction. For more information, see [Create a Hosted Checkout session request](https://docs.clover.com/dev/docs/creating-a-hosted-checkout-session).' operationId: CreateCheckout tags: - CHECKOUT parameters: - name: X-Clover-Merchant-Id in: header required: true description: Clover merchant identifier (mid). schema: type: string example: 9ABCDEF1234567 responses: '200': description: Successful response. '401': description: Authentication required or invalid token. '429': description: Too many requests; rate limit exceeded. x-microcks-operation: delay: 0 dispatcher: FALLBACK components: securitySchemes: OAuth2: type: oauth2 flows: authorizationCode: authorizationUrl: https://www.clover.com/oauth/authorize tokenUrl: https://api.clover.com/oauth/token scopes: {} description: OAuth 2.0 token or Ecommerce (PAKMS) API key.