Gateway

The Martian Gateway provides unified access to 200+ AI models through a single API, so you can pick the most effective model for each use case while staying compatible with popular frameworks.

Access to 200+ models from leading providers
Compatibility with OpenAI and Anthropic APIs

curl https://api.withmartian.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $MARTIAN_API_KEY" \
  -d '{
    "model": "openai/gpt-4.1-nano",
    "messages": [
      {
        "role": "user",
        "content": "What is Olympus Mons?"
      }
    ]
  }'

Track usage in the Martian Dashboard: real-time usage, model performance, and request history.

Getting started

Get your API key from the Martian Dashboard and start using the Gateway. The API is compatible with existing OpenAI and Anthropic SDKs.

Get your API key

API References

Available Models

Browse 200+ AI models from OpenAI, Anthropic, Google, and more.

Authentication

Learn how to authenticate your API requests with API keys.

Error Handling

Understand error codes and how to handle API errors properly.

Resources

Integrations

SDK and code editor integrations for OpenAI, Anthropic, Cursor, Claude Code, Cline, Aider, and more.

Code Examples

Practical examples and code snippets for common use cases, from basic chat to advanced tool use.

Support

Get help with integration, troubleshooting, and best practices via email support.

Ready to get started? Get your API key and follow the Quickstart to make your first request in minutes.