Open platform quickstart

Become a developer → create an app → get a client_id → user authorizes → first call, in 15 minutes. No checkout page, no prepaid quota — users bring their own balance.

• Raw markdown of this page: /docs/en/developer-quickstart.md
• Docs index: /llms.txt

Machine-readable: /llms.txt, /models.md (append .md to any docs URL for raw markdown)