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Environments & base URLs

Point your client at the correct host and keep secrets out of the browser except in the sandbox.

Pilot API (default)

https://sparkling-vibrancy-production-1a7a.up.railway.app

Override in Next.js with NEXT_PUBLIC_QTANGL_API_BASE_URL (include https://).

Local development

  • API: http://127.0.0.1:8000 (uvicorn app.main:app)
  • Web: http://localhost:3000

Server environment variables

  • QTANGL_API_KEY — expected bearer token
  • QTANGL_RATE_LIMIT_PER_MINUTE — optional
  • QTANGL_ENABLE_QAOA — false recommended on production Railway
  • QTANGL_CORS_ORIGINS — comma-separated browser origins