API Reference

Documentation for using Ship's supported GPT and Claude models, including endpoints, authentication, and advanced features.

Thesean supports OpenAI-compatible Chat Completions and Responses APIs alongside the Anthropic-compatible Messages API.

Need an API key? Get yours from the Thesean Dashboard.

API Documentation

Learn how to authenticate your API requests using API keys and bearer tokens.

Detailed reference for all endpoints including parameters, request formats, and responses.

View Ship's supported GPT and Claude models and pricing information.

Explore streaming, caching, prompt caching, and function calling capabilities.

Understand error codes, status codes, and how to handle API errors gracefully.

Learn how to make your first API request in under three minutes.

Integrate Thesean with Cursor, Cline, and more code editors.