smocker-dev/smocker

A tool for mocking HTTP services

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.

Insomnia Mockbin is the underlying backend for the API mocks capability of Insomnia. It is built and used by Kong, the author of the open-source Kong Gateway.

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

WireMock.Net is a flexible product for stubbing and mocking web HTTP responses using advanced request matching and response templating. Based on WireMock Java, but extended and different functionality. Full documentation can be found at https://wiremock.org/dotnet/.

HTTP Toolkit is a beautiful & open-source tool for debugging, testing and building with HTTP(S) on Windows, Linux & Mac 🎉 Open an issue here to give feedback or ask for help.

A utility for mocking out the Python Requests library.

The industry standard for API mocking in JavaScript.

Mock http requests made using fetch