scalar

The premium Open Source alternative to Postman

🎯 Best for:Teams building RESTful APIs with OpenAPI/Swagger specs.

What is scalar?

Replaces proprietary API clients and documentation hosting services. It provides a modern UI for OpenAPI specifications with an integrated REST client and code snippet generation.

Tech Stack
TypeScriptTesting & QA

Why scalar?

  • Modern aesthetic
  • Interactive API testing
  • Fast search indexing

Limitations

  • Newer ecosystem
  • Limited legacy protocol support
  • Fewer enterprise plugins
3/6/2026
Last Update
766
Forks
168
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to scalar instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Postman)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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