API Testing · Middle · Question 25 of 75

What should an error response for invalid input look like?

1A consistent format with a code, message and the problem fields
2An empty body, because the status code says enough
3A plain HTML page that contains the server stack trace

Show the answer

Correct answer: A consistent format with a code, message and the problem fields

Explanation

Formats like RFC 9457 problem details make errors predictable for clients and easy to assert in tests.

Further reading

RFC 9457: Problem Details for HTTP APIs ↗

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