Mock servers

Stand in for HTTP APIs during development and tests with recorded or declared responses.

Im Vergleich

Mock servers
Tool	Sterne	Lizenz	Bedingungen	Selbst hostbar	Sprache	Neuestes Release	Letzter Push
Mockoon	8.4k	MIT	Open Source	Nein	TypeScript	v9.9.0	2026-10-05
WireMock	7.4k	Apache-2.0	Open Source	Nein	Java	3.13.2	2026-10-05
Prism	5k	Apache-2.0	Open Source	Nein	TypeScript	v5.16.0	2026-10-01
MockServer	5k	Apache-2.0	Open Source	Nein	Java	mockserver-8.0.0	2026-10-06
mountebank	2.1k	MIT	Open Source	Nein	JavaScript	v2.9.4	2026-10-05
Smocker	1.3k	MIT	Open Source	Nein	TypeScript	1.0.0	2026-10-04

6 Tools

Mockoon

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

Sprache: TypeScript
Lizenz: MIT
Sterne: 8.4k
Neuestes Release: v9.9.0
Letzter Push: 2026-10-05

WireMock

A tool for mocking HTTP services

Sprache: Java
Lizenz: Apache-2.0
Sterne: 7.4k
Neuestes Release: 3.13.2
Letzter Push: 2026-10-05

Prism

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

Sprache: TypeScript
Lizenz: Apache-2.0
Sterne: 5k
Neuestes Release: v5.16.0
Letzter Push: 2026-10-01

MockServer

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.

Sprache: Java
Lizenz: Apache-2.0
Sterne: 5k
Neuestes Release: mockserver-8.0.0
Letzter Push: 2026-10-06

mountebank

Over the wire test doubles

Sprache: JavaScript
Lizenz: MIT
Sterne: 2.1k
Neuestes Release: v2.9.4
Letzter Push: 2026-10-05

Smocker

Smocker is a simple and efficient HTTP mock server and proxy

Sprache: TypeScript
Lizenz: MIT
Sterne: 1.3k
Neuestes Release: 1.0.0
Letzter Push: 2026-10-04

Was diese Tools ersetzen

PostmanAPI clients12 →