Online OpenAPI API Mock Servers to Design Better and Develop Faster

Go to market faster with high quality APIs using instant mock servers.

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Bring API Designs to Life with Mocking

Visualize and get feedback on your API designs before spending time on development. Let your frontend and backend teams develop in parallel with hosted mock servers. Stoplight complements your workflow by instantly creating mock servers from API descriptions.

Instantly Convert OpenAPI Documents to Mocks

Create mock servers from OpenAPI files automatically, with support for advanced OpenAPI features.

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Get Early Feedback

Get feedback from consumers and stakeholders on API designs before development using interactive protoypes. This allows you to act on feedback and align stakeholders promptly, ensuring APIs fulfill consumer requirements and avoid unanticipated breaking changes later.

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Develop Simultaneously with Hosted Mock Servers

Reduce time to market by letting Frontend and Backend teams develop simultaneously, without waiting for the development stage of the API to complete.

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Validate and Test API Designs

Validate requests and responses against your OpenAPI file. Stoplight mocks simulate real server behavior by automatically validating incoming request headers, query strings, and request bodies against your OpenAPI description.

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Spin Up Life-like APIs with Dynamic Mocking

Testing against the same data over and over again is not the best way to build a robust integration. Dynamic mocking leverages fake data to simulate real server behavior by responding dynamically to requests.

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Develop Faster with Hosted Mocks.