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 Packagist
      • Configuration
      • Adding custom code
      • 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
GeneratorsPHP

Changelog

February 3, 2025
February 3, 2025

0.3.0

(feat): Add support for customizing the package name, which is used in the User-Agent header. Users can configure this like so:

- name: fernapi/fern-php-sdk
1 version: 0.3.0
2 config:
3 packageName: acme/acme-php

0.2.3

(fix): Updates a variety of properties in the generated composer.json file, including:

  • Pin guzzlehttp/guzzle to version ^7.4.
  • Custom license support.
  • Set memory-limit to 1G in the analyze script.
Was this page helpful?
Edit this page
Previous

February 5, 2025

Next

December 12, 2024