HTTP & API Tools
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API Response Mocker

Simulate API payloads for UI development with preset statuses, custom JSON bodies, and artificial latency.

Features

  • Status presets
  • Delay
  • JSON body editor

How to use API Mocker

  • 1
    Pick a status and edit JSON.
  • 2
    Simulate and copy the mock.

Examples

404

Input
status 404 + error JSON
Output
mock response object

About API Mocker

Build mock API responses so frontends can prototype against predictable JSON without waiting on a backend.

Frequently asked questions

No - this mocks objects locally only.

Not applicable; nothing is served over HTTP.

No.