Indie Alternatives

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Indie alternatives to Postman Mock Server

3 products made by independent developers and small teams that do what Postman Mock Server does, 3 of them with a free plan. Free and open-source options come first.

At a glance

ProductPriceOpen sourceSelf-hostPlatforms
BeeceptorFree plan––Web
MockoonFree planYes–Mac, Windows, Linux
WireMockFree planYesYesSelf-hosted, Web, Linux, Mac, Windows

The alternatives

1. Beeceptor

Hosted mock API server and HTTP request inspector

Beeceptor gives you an instant endpoint to mock API responses, inspect incoming requests and proxy traffic, without writing code.

Free plan · Web · Website ↗

2. Mockoon

Create mock REST APIs locally in seconds

Mockoon is an open-source desktop app and CLI for designing and running mock APIs locally, with templating, rules and OpenAPI import.

Free plan · Mac, Windows, Linux · Website ↗

3. WireMock

Open-source tool for mocking HTTP APIs

WireMock simulates HTTP APIs for testing with request matching, stubbing and fault injection, with a hosted WireMock Cloud.

Free plan · Self-hosted, Web, Linux, Mac, Windows · Website ↗

Questions

Is there a free alternative to Postman Mock Server?

Yes. 3 of the 3 indie alternatives listed here have a free plan or are free: Beeceptor, Mockoon and WireMock.

Is there an open-source alternative to Postman Mock Server?

Mockoon and WireMock are open source.

Can I self-host an alternative to Postman Mock Server?

Yes: WireMock can run on your own server.

Which Postman Mock Server alternatives work on Mac, Windows, iPhone or Android?

On Mac: Mockoon and WireMock. On Windows: Mockoon and WireMock. On Linux: Mockoon and WireMock. On the web: Beeceptor and WireMock.

What makes these alternatives to Postman Mock Server “indie”?

They are built by independent developers or small teams rather than large companies. Each one is listed because it does the same core job as Postman Mock Server.

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