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Welcome to the Cline API documentation. Use the same models that power the Cline extension and CLI from any language, framework, or tool that speaks the OpenAI format.

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What is the Cline API?

The Cline API is an OpenAI-compatible Chat Completions endpoint. You authenticate once with a Cline API key and get access to models from Anthropic, OpenAI, Google, and more through a single base URL. No need to manage separate keys for each provider. 
Your App  →  Cline API (api.cline.bot)  →  Anthropic / OpenAI / Google / etc.

Getting Started

Create an API key and make your first request in under a minute.

Authentication

API keys, account tokens, key rotation, and security best practices.

Chat Completions

Full endpoint reference with request schemas, streaming, and tool calling.

SDK Examples

Ready-to-copy examples for Python, Node.js, curl, and the Cline CLI.

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Explore the Reference

Models

Browse available models, free tier options, reasoning support, and selection guidance.

Errors

Error codes, mid-stream errors, retry strategies, and debugging tips.

Enterprise API

Admin endpoints for managing users, organizations, billing, and API keys.

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Quick Start

curl -X POST https://api.cline.bot/api/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-sonnet-4-6",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Get your API key at app.cline.bot (Settings > API Keys), then follow the Getting Started guide.