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All requests to the AI Stats Gateway require authentication via an API key. You can find or create keys in your AI Stats Dashboard under Keys in the profile selector or inside of settings.

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Header-based authentication

Include your API key in the Authorization header using the Bearer scheme: 
curl https://api.phaseo.app/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.1",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Last modified on February 11, 2026