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Mockttp

No phone app

5.7No. 20 of 25
in API Mocking Tools
  • Recognised40% of the score44
  • Phone app26% of the score0
  • Documented20% of the score39
  • Free plan14% of the score30
Free plan
Yes
Runs on
Linux, Mac, self-hosted, Web, Windows
Visit site Alternatives

Summary

Mockttp is ranked #20 of 25 in API mocking tools on Samsung Mobile US Press. It runs on Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Mockttp plans and pricing

All plans
Hobbyist Free Free basic traffic viewing and rewriting · manual breakpoints · built-in HTTP client httptoolkit.com · 4 Oct 2026
Professional Not published per month automated mocking and rewriting · import/export · advanced debugging and configuration httptoolkit.com · 4 Oct 2026
Team Not published per user, per month team licensing · centralized billing · team workspaces coming soon · additional options on request httptoolkit.com · 4 Oct 2026

Compared on API mocking tools

Dynamic responses
Yesgithub.com
Local deployment
Yesgithub.com
Supported protocols
HTTP, HTTPS, WebSocket, JSON-RPCgithub.com

Facts

What Mockttp does
Mockttp intercepts, transforms, or tests HTTP requests and responses in JavaScript.github.com · 4 Oct 2026
Testing use
Mockttp supports HTTP integration tests that can run in Node.js and browsers, including transparent proxying and HTTPS.github.com · 4 Oct 2026
Proxy use
Mockttp can be used to build custom HTTP proxies that capture, inspect, or rewrite traffic.github.com · 4 Oct 2026
Mocking features
The library can stub responses, verify requests, mock HTTPS with generated self-signed certificates, and mock traffic inside or outside its process.github.com · 4 Oct 2026
Parallel testing
Mockttp supports parallel mocking with automatically configured ports, mock URLs, and proxy settings.github.com · 4 Oct 2026
Integrations
The README example uses Mocha, Chai, and Superagent, while noting that these tools are optional and Mockttp can work with other promise-capable testing tools and HTTP clients.github.com · 4 Oct 2026
Browser setup
Browser tests require an admin server started outside the browser because browsers cannot start an HTTP server or proxy themselves.github.com · 4 Oct 2026
HTTPS certificate caution
The setup guide warns against trusting a test CA system-wide or sharing its private key, because doing so could let an attacker impersonate secure connections.github.com · 4 Oct 2026
Security support
The latest published Mockttp version is actively supported, and the preceding major version receives security fixes for six months after the next major release.github.com · 4 Oct 2026
Vulnerability reporting
Mockttp vulnerabilities can be reported through GitHub’s private security reporting channels, and confirmed vulnerabilities are to be fixed and published as advisories within 90 days.github.com · 4 Oct 2026
HTTP Toolkit privacy
HTTP Toolkit says HTTP request and response contents are never collected and are stored only locally on the user’s machine.httptoolkit.com · 4 Oct 2026
Commercial product distinction
HTTP Toolkit lists automated HTTP mocking and rewriting among Professional plan features, while Mockttp itself is published as a JavaScript library in a public GitHub repository.httptoolkit.com · 4 Oct 2026
Desktop platforms
HTTP Toolkit provides installation packages for Windows, Mac, and Linux.httptoolkit.com · 4 Oct 2026
Maker and location
The HTTP Toolkit privacy policy identifies Toolshed Labs SLU as the operator and gives its address in Barcelona, Spain.httptoolkit.com · 4 Oct 2026

Best Mockttp alternatives

See all 20
WireMock No. 1 8.0 No phone appFreeMockServer No. 2 7.9 No phone appFreeMicrocks No. 3 7.9 No phone appFreeWireMock No. 4 7.8 No phone appFreeMockzilla No. 5 7.3 No phone app$10/moMockfly No. 6 7.2 No phone app€15/mo

Where it ranks on Samsung Mobile US Press

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Sources