API Testing · Middle · Question 8 of 75

When is an OpenAPI-based contract check a good alternative to Pact?

1When there are many unknown consumers, e.g. a public API
2When the API has exactly one internal consumer
3When the API doesn't have any documentation

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Correct answer: When there are many unknown consumers, e.g. a public API

Explanation

Validating real responses against the published spec, or running tools that test the spec, catches drift without consumer-written contracts.

Further reading

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