mock API mocking utility

What hackers pick instead

• SchemathesisDevelopers use it to generate tests from API schemas that find input validation bugs and unhandled edge cases.7recommend
• Tusk DriftOpen-source tool that records production API traffic and replays it as tests, capturing database and cache calls too. People recommend it as a more realistic alternative to synthetic tests.7recommend
• HurlPeople recommend Hurl as a free tool that works as a declarative layer over curl, making HTTP requests easier to write and run.5recommend

Every quote

The 6 most detailed of 7 comments. Each links to the original.

1. What a great tool! Writing simple scriptable mock apis all for the command line.

   Recommends · Nov 2025 · in “Mock – An API creation and testing utility: Examples”

2. streamlines the process of setting up mock services for testing

   Recommends · Nov 2025 · in “An overly aggressive mock can work fine, but break much later”

3. With it I can create and automate APIs easily.

   Recommends · Apr 2026 · in “Ask HN: What dev tools do you rely on that nobody talks about?”

4. It greatly simplifies the local setup

   Recommends · Dec 2025 · in “Debian's Git Transition”

5. Mock lets you accomplish this without telling you which language you should use.

   Recommends · Nov 2025 · in “Mock – An API creation and testing utility: Examples”

6. I'm not saying it's on par with linux, I'm just saying it's usable

   Mixed · Nov 2025 · in “Mock – An API creation and testing utility: Examples”