ChatGPT API

Integrate OpenAI's flagship LLMs (GPT-4o, GPT-3.5-turbo) into your applications via a robust, scalable REST API for text generation and conversational AI.

The ChatGPT API (accessed through the Chat Completions endpoint) is your direct pipeline to deploy OpenAI's most advanced large language models, including GPT-4o and the highly efficient GPT-3.5-turbo. This powerful, pay-as-you-go service allows developers to build sophisticated conversational experiences, generate diverse content (code, structured JSON, human-like prose), and execute complex reasoning tasks at scale. Authentication is simple: use your secret API key for Bearer token authorization in your standard HTTP requests. It is the proven, production-ready foundation for next-generation AI features.

https://platform.openai.com/docs/introduction