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Documentation Index

Fetch the complete documentation index at: https://docs.crazyrouter.com/llms.txt

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

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Step 1: Get Your API Key

  1. Visit Crazyrouter and create an account
  2. After signing in, go to the Token Management page
  3. Click “Create Token” to generate an API Key

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Step 2: Make a Request

curl https://crazyrouter.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "gpt-5.4",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

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Step 3: View the Response

Example of a successful response: 
{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 1677652288,
  "choices": [{
    "index": 0,
    "message": {
      "role": "assistant",
      "content": "Hello! How can I help you today?"
    },
    "finish_reason": "stop"
  }],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}
The gpt-5.4 example on this quickstart page was revalidated successfully against Crazyrouter production on 2026-03-23.
All OpenAI-compatible clients and frameworks (such as LangChain, LlamaIndex, Cursor, etc.) can be integrated by simply changing the base_url and api_key.