Project Summary
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
- Create an unlimited number of mock API with unlimited number of routes and run them in parallel.
- Mock API import / export with Swagger/OpenAPI format support.
- Serve multiple rules-triggered responses for each route with any headers body, or HTTP status codes.
- All incoming requests and outgoing responses are logged for easier debugging.
- Redirect all non-defined routes to the specified host with Mockoon's proxy mode.
- Rich text editor for body content supporting multiple languages (JSON, HTML, etc).
- Templating supported in body, file content and header, with many helpers: url params, query params, JSON body lookup, etc.
In a Nutshell, mockoon...
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has a well established, mature codebase
maintained by a average size development team
with stable Y-O-Y commits -
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took an estimated 17 years of effort (COCOMO model)
starting with its first commit in July, 2017
ending with its most recent commit 12 days ago
Quick Reference
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
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Did You Know...
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55% of companies leverage OSS for production infrastructure
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you can embed statistics from Open Hub on your site
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30 Day SummaryJan 22 2026 — Feb 21 2026
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12 Month SummaryFeb 21 2025 — Feb 21 2026
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