For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
Book a demoLog inStart for free
  • Overview
    • Introduction
    • How it works
    • Quickstart
    • Customer showcase
  • Working with SDKs
    • Project structure
    • Adding custom code
    • Migrating to Replay
    • Capabilities
  • Generators
      • Generating an SDK
      • Publishing to PyPI
      • Configuration
      • Adding custom code
      • Dynamic authentication
      • aiohttp support
      • Changelog
      • Customer showcase
  • Reference
    • generators.yml
Checking status...
SOC2Soc 2 Type II
© 2026 Fern • Birch Solutions, Inc., a Postman company

Documentation

SDKsDocsAsk FernCLI Reference

API Definitions

OpenAPIAsyncAPIOpenRPCgRPC

Resources

BlogSupportPricing

Company

Brand KitPrivacy PolicyTerms of Service
LogoLogo
Book a demoLog inStart for free
GeneratorsPython

Changelog

February 11, 2026
February 11, 2026

4.56.0

(feat): Add support for URI and path-based pagination.

4.55.5

(fix): Compute Docker Compose project name during generation to avoid invalid characters from runtime directory names (e.g. .seed).

(chore): Cache client constructor signature check at module level and use httpx instead of requests for WireMock admin calls in generated wire test conftest.

Was this page helpful?
Edit this page
Previous

February 12, 2026

Next

February 10, 2026