XNova DocsOne API key for the world's top models

Quickstart, client setup guides, billing, and FAQ.

Works with your clients

Connect Claude Code, Codex, Codex++, OpenCode, Cherry Studio, RikkaHub, and more.

Pick a client

Pay as you go. Cost = official price × group multiplier, all from a single balance.

Billing

OpenAI Chat Completions, Responses, and Anthropic Messages, plus image endpoints on the same base URL.

Models and endpoints