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Documentation Index

Fetch the complete documentation index at: https://docs.euri.ai/llms.txt

Use this file to discover all available pages before exploring further.

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API key authentication

Every request to the EURI API must include your API key in the Authorization header: 
Authorization: Bearer YOUR_EURI_API_KEY

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Getting your API key

  1. Sign in at euron.one/euri.
  2. Go to Billing & API Keys.
  3. Click Create API Key.
  4. Copy and store the key securely — it won’t be shown again.

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Example request

curl -X POST https://api.euron.one/api/v1/euri/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer euri-sk_abc123..." \
  -d '{"model": "gpt-4o-mini", "messages": [{"role": "user", "content": "Hello"}]}'

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Using with OpenAI SDKs

Set the api_key and base_url parameters: 
from openai import OpenAI

client = OpenAI(
    api_key="YOUR_EURI_API_KEY",
    base_url="https://api.euron.one/api/v1/euri"
)

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Security best practices

  • Never expose your API key in client-side code (browser, mobile app).
  • Store keys in environment variables or a secrets manager.
  • Rotate keys periodically from the dashboard.
  • Use separate keys for development and production.

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Error responses

If your key is missing or invalid, you’ll receive: 
{
  "error": {
    "message": "Invalid API key provided.",
    "type": "authentication_error",
    "code": "invalid_api_key"
  }
}