Beeceptor is a hosted service that gives you your own endpoint on a subdomain in seconds. Requests sent to it are captured and shown so you can inspect what a client or a webhook sender actually sent, and you can add rules that return mocked responses — or proxy to a real backend — based on the request.
| Beeceptor | Fun API Playground | |
|---|---|---|
| What it is | A hosted endpoint for inspecting and mocking requests | A ready-made simulated API catalog |
| Inspect arbitrary incoming requests | Yes — its core feature | Only webhook deliveries the playground sends |
| Who defines responses | You, with rules | The playground |
| Domain behaviour | What you build from rules | Built in across 39 APIs |
| Auth flows | Not modelled | JWT, roles, OAuth 2.0, PKCE |
| Setup | Create an endpoint, add rules | None |
Its mocks, like any configurable mock, return what you set up, and its real strength is inspection: seeing a webhook payload or a client request arrive. It does not come with domain behaviour — there is no inventory to run out, no version to go stale, no token lifecycle — unless you build that out of rules.
Here the behaviour is the product. Thirty-nine APIs keep state per caller and enforce rules that produce the full range of status codes for a reason, with interactive docs, assertions, collections and generated code around them. For capturing what a client sends, the webhook API here records deliveries you can inspect and replay, but a general-purpose request inspector is Beeceptor's job, not this one's.
Use Beeceptor to see exactly what is being sent to an endpoint, or to mock a few routes quickly. Use this when you need an API that already behaves like a real one to test a client against.
Checked against Beeceptor as of 2026-09.
All 39 mock REST APIs · Getting started guide · About this playground
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