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Developer Docs

Complete integration guide, migrate in 5 minutes

5-Min Quick Start

Register → Get Key → Replace base URL → Start calling

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🚀
Getting Started

Quick Start

Register → Get Key → Replace base URL → Start calling

🔑
Auth

Authentication

Creating, managing, and securely using API Keys

💬
API

Chat Completions API

POST /v1/chat/completions interface details

📐
API

Embeddings API

Text vector embeddings, essential for RAG retrieval

🎨
API

Images API

DALL-E image generation, AI art

⚡
API

Responses API

OpenAI's new Responses API, recommended protocol

🎯
API

Fine-tuning API

Model fine-tuning and custom training

🤖
API

Model List

View all available models and pricing

📊
Operations

Usage & Billing

Usage queries and cost calculation

⚠️
Reference

Error Reference

API error codes and troubleshooting guide

SDKs & Tools

Python
pip install openai
TypeScript
npm i openai
Go
go get openai
Java
Maven / Gradle
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