how can you check backward compatibility in API (if BE changes are deployed on PROD)

Question

Accepted Answer

To check backward compatibility in API after BE changes are deployed on PROD, perform regression testing on existing functionalities.

Perform regression testing on existing API functionalities to ensure they still work as expected after BE changes
Check if any existing API endpoints have been deprecated or modified due to BE changes
Verify if any new API endpoints have been added and test their functionality
Ensure that the API responses are consistent with the previous versions
Test the API with different input parameters and scenarios to validate backward compatibility

Accepted Answer

Run regression tests: Test all the existing API features to make sure they still work as before.
Check for deprecated or changed endpoints: Ensure no existing API endpoints are removed or changed.
Test new endpoints: If new API endpoints were added, make sure they work properly.
Compare responses: Verify that the API responses are the same as before the update.
Test with different inputs: Try different input scenarios to ensure the API behaves correctly with various data.

how can you check backward compatibility in API (if BE changes are deployed on PROD)

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