openapi: 3.0.0 info: title: Hipay Payment Gateway balance invoice API description: '## Version 1.6.1 - June 11, 2025 The Gateway API allows you to get paid and manage orders and transactions. Please note: this documentation describes the Gateway API parameters and response fields and allows you to test the platform in real time. This page is to be used alongside the **[HiPay Enterprise Platform Overview documentation](https://developer.hipay.com/api-explorer/api-online-payments)**, which gives you more information and details on the HiPay Enterprise workflow. You may use both documents in parallel when integrating HiPay Enterprise. # Web service information ## Gateway API base URLs | Environment | Base URL | | --- | --- | | Stage | [https://stage-api-gateway.hipay.com](https://stage-api-gateway.hipay.com) | | Production | [https://api-gateway.hipay.com](https://api-gateway.hipay.com) | ## Authentication All requests to the HiPay Enterprise API require identification through *HTTP Basic Authentication*. Your API credentials can be found in the Integration section of your HiPay Enterprise back office. Most HTTP clients (including web browsers) have built-in support for HTTP basic authentication. If not, the following header must be included in all HTTP requests. `Authorization: Basic base64(''API login>:'')` ' version: 1.6.1 servers: - url: https://stage-api-gateway.hipay.com description: Stage - url: https://api-gateway.hipay.com description: Production tags: - name: invoice description: Manage marketplace invoices paths: /marketplace/invoice.{_format}: get: produces: [] consumes: - multipart/form-data summary: List marketplace invoices description: ' ### Information List marketplace invoices.' parameters: - in: path name: _format required: true type: string enum: - json - xml default: json - in: query description: Invoice reference name: reference type: string - in: query required: true description: Invoices year name: year type: integer format: int32 default: 2018 responses: '200': description: Success response. '400': description: Validation failed. tags: - invoice security: - basicAuth: [] /marketplace/invoice/{reference}.{_format}: get: produces: [] consumes: - multipart/form-data summary: Download an invoice description: ' ### Information Download an invoice.' parameters: - in: path name: reference required: true type: integer default: '1' - in: path name: _format required: true type: string enum: - json - xml default: json responses: '200': description: PDF document successfully returned '403': description: Access forbidden. '404': description: Invoice not found. tags: - invoice security: - basicAuth: [] components: securitySchemes: BasicAuth: type: http scheme: basic ApiKeyAuth: type: apiKey name: X-API-KEY in: header externalDocs: description: Find out more about HiPay url: https://developer.hipay.com/