Documentation

Everything you need to go from zero to production — with copy-paste examples in cURL, Python, and Node.

Quickstart

Your first request in under five minutes.

Coding agents

Kilo Code, Cursor, opencode, Claude Code, Cline.

API reference

Every endpoint, parameter, and error code.

Your base URL

https://freemodel.in/v1

Getting started

Getting Started

Create an API key and make your first request in under five minutes.

Authentication

Bearer token authentication, key scopes, and rate limits.

Using Coding Agents

Step-by-step setup for Kilo Code, Cline, Cursor, opencode, Claude Code, Continue, and Aider.

Core API

Chat Completions

Full reference for /chat/completions, including all supported parameters.

Streaming

Receive tokens as they are generated using server-sent events.

Models

List models, inspect their capabilities, and read their pricing.

Embeddings

Turn text into vectors for search, RAG, and clustering.

Capabilities

Tool Calling

Let models call your functions — the mechanism behind AI coding agents.

Vision (Image Input)

Send images alongside text for analysis, OCR, and UI understanding.

Reasoning Models

How reasoning models think before answering, and how to budget tokens for them.

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