MOCK API · LEGOST.IN

A mock server for real API scenarios

Build a project API, configure successful and error responses, delays and dynamic data. Public URLs work instantly — no deployment or separate backend.

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Your mock API will appear here

Create a project and get a ready endpoint with two response variants out of the box.

Project name

Select an endpoint on the left or create a new one

Endpoint

Method Path Name

Response selection Enable CORS

Responses

Response variants

Variant name HTTP status Body type Delay

Weight

Default variant

Request templates and generators are available: {{request.path.id}} · {{$random.uuid}} · {{request.body.email}}

Inspector

Request log

One project, one API

Add up to 100 endpoints with path parameters: /users/{id}, /orders/{orderId}. All common HTTP methods plus ANY are supported.

Scenarios without code changes

Switch success, 404 and 500 with ?__variant=name, choose responses randomly by weight or cycle through them sequentially.

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