Simulate APIs using Postman
When do we need to Simulate APIs
Reproduce Issues in Debugging
Consistent Responses. In production environments, certain API responses are not common. Simulating APIs helps reproduce these responses consistently, aiding in effective debugging and issue resolution.
Isolation
Independent Testing. This isolation ensures that frontend development and testing can proceed without waiting for the backend to be fully implemented or available.
Documentation and Collaboration
Single Source of Truth. Team members, including product owners, developers, and test engineers, can refer to the same information.
Setting Up a Mock Server with Custom Responses
Follow this tutorial to set up a mock server using an existing collection: Mock an API.
If we want always to receive a specific response, such as a 409 Conflict status, we need to use the x-mock-response-code header. According to the Matching algorithm, we should add this header to the request. Here is an example of the request and response:
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