LLM API documentation - OpenAI, Claude, Gemini API reference for UniterRouter. Complete guide for GPT-4, Claude 3.5, Gemini Pro integration with code examples.

API Reference

UniterRouter provides unified access to 200+ AI models through multiple API formats. Choose the format that best fits your existing integration:

Supported API Formats

Format	Description	Use Case
OpenAI Compatible	Full OpenAI API compatibility	Drop-in replacement for OpenAI SDK
Anthropic Compatible	Native Anthropic Messages API	Use Anthropic SDK directly
Google Compatible	Google Gemini API format	Use Google AI SDK

Base URL

All API requests should be made to:

https://api.uniterouter.ai

Authentication

Include your API key in the request header:

# OpenAI format
Authorization: Bearer your_api_key

# Anthropic format
x-api-key: your_api_key

Quick Links

OpenAI Compatible

Chat Completions - /v1/chat/completions
Embeddings - /v1/embeddings
Images - /v1/images/generations
Audio - /v1/audio/transcriptions
Models - /v1/models

Anthropic Compatible

Messages - /v1/messages

Google Compatible

Generate Content - /v1beta/models/{model}:generateContent

API Reference

On this page