Gostly
Architecture
How the runtime and control plane fit together
Agent runtime
A deterministic boundary for agent tool use
Record & replay
Capture real HTTP traffic and replay it locally
Interactive demo
See Gostly handle requests a recording missed
Documentation
Install, configure, and run Gostly
Use cases
Ways engineering teams use deterministic environments
Clean-room runbook
Run coding agents against deterministic mocks
Security
Review Gostly's self-hosted security model
Blog
Engineering notes and product updates
Compare
Compare Gostly with API mocking alternatives
PricingRequest a demo
Sign inStart free trial
Gostly

Deterministic environments for the software your team ships.

Product

  • Architecture
  • Agent runtime
  • Record & replay
  • Interactive demo

Resources

  • Documentation
  • Use cases
  • Clean-room runbook
  • Security
  • Blog
  • Compare
  • Pricing
  • Partners
  • Support
  • Telemetry
  • Release notes

© 2026 Gostly

  • Privacy
  • Terms