Industry standard API mocking for JavaScript.
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Updated
Oct 3, 2025 - TypeScript
Industry standard API mocking for JavaScript.
Type safe mocking extensions for Jest https://www.npmjs.com/package/jest-mock-extended
🐦 Next generation mocking framework in Javascript
Build web applications today against the GraphQL APIs of tomorrow.
🐈 Mocat is a mocking toolbar that allows you to interactively develop and test network requests.
Mocks network requests and allows you to make assertions about how these requests happened. Supports auto-mocking of graphQL requests given a valid schema.
MSW Devtools Extension - Just upload JSON Config to handle requests via MSW
TypeScript mocking library focused on simplicity and testing DX
A basic mock service written in JavaScript, for easy implementation into JavaScript UI projects requiring mocks for development or testing.
Mock server-side fetches with MSW
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