The industry standard for API mocking in JavaScript.
- msw
- mock
- mocking-framework
- service-worker
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AI-friendly enterprise front-end best practices
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
- graphql-schema
- schema-language
- graphql
- graphql-api
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
- oas
- prism
- mocking
- api-testing
🎲 Mock or extend your GraphQL API with faked data. No coding required.
Generate custom HTTP responses, the simpler way to test your Web Services
- scala
- mocky
- javascript
- mock
:heavy_check_mark: Mock data for your prototypes and demos. Remote deployments to Zeit now.
- atmo
- prototyping
- mock-services
- mock-server
In-page HTTP controller for frontend development. Intercept, modify, and simulate API responses directly in the browser.
Patch fetch/XMLHttpRequest to fake a REST API server in the browser, based on JSON data.
A mock for PrismaClient, dedicated to unit testing.
- prisma
- testing
- typescript
- unit-testing
Mockbin by Zuplo. Mock, Test, and View HTTP Requests and Responses
- api-client
- api-management
- api-mock
- api-test
Cache and mock network requests in Playwright
- cache
- network
- playwright
- playwright-javascript
Mock window global in tests with test-friendly replacements for location, alert/confirm/prompt/ and more.
Powerful pipes for TypeScript, that chain Promise and ADT for you 🚌 -> ⛰️ -> 🚠 -> 🏂 -> 🚀
- pipe
- pipeline
- kleisli
- ramda
AMWA NMOS Device Control Mock Application
Do notation pipes for Promise-based or pure functions which easy to mock
- do-notation
- functional-programming
- mock
- pipe