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Authentication

Fine API uses Bearer token authentication. Include your API key in the Authorization header of all requests.

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Getting Your API Key

  1. Log in to your dashboard
  2. Navigate to API Keys section
  3. Create a new API key or copy an existing one

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Using Your API Key

Include the API key in the Authorization header: 
Authorization: Bearer YOUR_API_KEY

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Example Request

curl -X POST https://api.example.com/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

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Security Best Practices

Never expose your API key in client-side code or public repositories.
  • Store API keys in environment variables
  • Use server-side code to make API calls
  • Rotate keys regularly
  • Use separate keys for development and production