Get started with SDKs or Docs
Plants Plans that grow with you
Automate SDK maintenance so your engineers
can spend time on higher-value projects
SDKs
Docs
Protocols
REST API
Webhook Verification
WebSockets
Server Sent Events
gRPC
Up to 50 endpoints
Up to 150 endpoints
Unlimited
Authentication
Basic, Bearer, API Key
OAuth 2.0
HMAC, Digest
Augment with Custom Code
Custom Logic
Custom Dependencies
Custom Code Maintenance
Features
Strongly typed
Idiomatic Method Names
Schema Validation
Multipart Form Data
Forward Compatibility
Auto-Pagination
Retries with Backoff
Idempotency Headers
Integration Tests
Automation
Semantic Versioning
Registry Publishing
Merge Multiple APIs
Filter with Audiences
Up to 5
Unlimited
Code Snippets
In the SDK
In GitHub
In your Fern Docs
Via our API
Onboarding and Support
Dedicated Slack Channel
OpenAPI Audit
SDK Migration Services
GitHub Issue Triage
Service Level Agreement
SOC 2 Report
Priority Feature Requests
Integrations
GitHub
NPM
PyPI
Maven
Nuget
RubyGems
SwiftPM