Before Integration

Before starting integration, please review the comprehensive documentation on Coupang Open API:

• Product Registration Guide
• API Workflow Documentation
• HMAC Authentication Guide
• FAQ

Currently, our API suite provides functionality for Order Management, Delivery Services, and Customer Support. Please refer to our latest release notices for a complete list of available APIs. We are continuously expanding our API offerings to meet the evolving business requirements of Taiwan sellers.

How To Integrate

Follow these steps to successfully integrate with Coupang Open API:

1. Obtain API Credentials

Request an Open API Key through the Wing platform.  Reference: Issue an Open API Key on Wing

2. Test API Functionality

Validate API functionality using Postman by following our OPEN API Test Guide .

3. Implement in Your Application

Integrate the APIs into your production codebase.

• Generate HMAC Signatures:  Creating HMAC Signature
• Refer to below examples and implement your application:
  • Java Examples
  • Node.js Examples
  • PHP Example
  • Python Example
  • C# Examples
  • Classic ASP Example

Important Requirements

Market Specification: For all API requests (whether via Postman or in production code), you MUST include the HTTP header X-MARKET: TW to specify the Taiwan market context.