💡 Pick it for a free, local, open-source alternative with richer request behavior.
Mockoon is an open-source desktop tool to quickly mock RESTful API endpoints.
Best SOAP/REST Mock Service Alternatives ranked by AI · updated Oct 2026
Mockable is an online service for creating hosted mock endpoints for REST and SOAP integrations. It is aimed at developers and QA teams that need predictable API responses without deploying a backend.
Top 6 SOAP/REST Mock Service alternatives
💡 Pick it for programmable, CI-friendly service virtualization and advanced HTTP fault simulation.
WireMock is a flexible library for stubbing and mocking web services. It allows you to simulate HTTP responses for testing purposes.
💡 Pick it when SOAP, WSDL-based testing, and full API test authoring matter more than hosted simplicity.
soapUI is a popular open-source API testing tool that allows users to test SOAP and REST APIs.
💡 Pick it if you want API mocks alongside design, documentation, collaboration, and testing.
Postman is a collaboration platform for API development used by millions of developers.
Free with paid plans available
💡 Pick it for free, scriptable multi-protocol test doubles in automated integration environments.
Mountebank is an open-source tool for mocking HTTP APIs.
Pros
- Open-source
- Flexible mocking
Cons
- Requires setup and configuration
💡 Pick it for fast, shareable HTTP mocks and request inspection with minimal setup.
Beeceptor is a tool for mocking APIs and capturing requests. It helps in testing and debugging webhooks, mobile apps, and other HTTP...
Free tier available, paid plans start at $10/month
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