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Docs

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Plants Plans that grow with you

Automate SDK maintenance so your engineers

can spend time on higher-value projects

Starter

$250/mo
per SDK, billed annually

Get started

Business

$600/mo
per SDK, billed annually

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Enterprise

Custom

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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

Dynamically 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