One API for

OpenAI-compatible REST API. Use your favorite SDK or HTTP client. Chat, images, video, audio, and text — all with a single API key.

Krater API

Access 350+ AI models through a single, OpenAI-compatible API. Generate text, images, videos, music, speech, and more — all with one API key.

Key Features

  • OpenAI-compatible — Drop-in replacement for OpenAI SDKs. Just change the base URL.
  • 350+ models — GPT-4o, Claude, Gemini, Llama, and hundreds more via a single endpoint.
  • Multimodal — Text, images, video, music, speech, code, documents, and more.
  • Credit-based pricing — Pay per use from your Krater subscription credits. No separate billing.
  • Unified authentication — One API key for everything.

Available Endpoints

Krater pricing · AI model directory · Developer API documentation