Free API Testing Tool

100% Free — No Subscription Required

Unlike Postman and Insomnia, SchemaClient is completely free with all features included. No credit card, no trials, no limits on API requests, tunnels, or collections.

Current Plan

Free

$0

Forever free. No credit card required.

  • ✓ Unlimited API requests
  • ✓ Localhost tunneling
  • ✓ Real-time traffic monitor
  • ✓ Schema validation
  • ✓ OpenAPI import
  • ✓ Collections & folders
  • ✓ Cloud sync
  • ✓ Windows, macOS, Linux
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Why is SchemaClient free?

We believe every developer deserves great tools without paywalls. SchemaClient is built by developers, for developers. Premium features and team plans may be offered in the future, but the core product will always remain free.