Chat Completions

Create a chat completion using your configured AI provider.

Endpoint

POST /v1/chat/completions

Request Body

Parameter	Type	Required	Description
model	string	Yes	Model ID (e.g., gpt-4, claude-3-opus, gemini-pro)
messages	array	Yes	Array of message objects
temperature	number	No	Sampling temperature (0-2). Default: 1
max_tokens	number	No	Maximum tokens to generate
top_p	number	No	Nucleus sampling parameter
stream	boolean	No	Enable streaming responses
stop	string/array	No	Stop sequences

Message Object

Parameter	Type	Required	Description
role	string	Yes	system, user, or assistant
content	string	Yes	The message content

Example Request

curl https://api.scrub.health/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_SCRUB_API_KEY" \
  -d '{
    "model": "gpt-4",
    "messages": [
      {
        "role": "system",
        "content": "You are a helpful medical assistant."
      },
      {
        "role": "user",
        "content": "What are common symptoms of the flu?"
      }
    ],
    "temperature": 0.7,
    "max_tokens": 500
  }'

Example Response

{
  "id": "chatcmpl-abc123def456",
  "object": "chat.completion",
  "created": 1705123456,
  "model": "gpt-4",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Common symptoms of the flu include:\n\n1. **Fever** - Usually high (100-104°F)\n2. **Body aches** - Muscle and joint pain\n3. **Fatigue** - Extreme tiredness\n4. **Cough** - Usually dry\n5. **Headache** - Often severe\n6. **Chills and sweats**\n7. **Sore throat**\n8. **Runny or stuffy nose**\n\nSymptoms typically appear 1-4 days after exposure and can last 1-2 weeks."
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 28,
    "completion_tokens": 112,
    "total_tokens": 140
  }
}

Model Mapping

Scrub automatically routes requests to your configured provider. You can use any of these model identifiers:

OpenAI Models

• gpt-4, gpt-4-turbo, gpt-4o
• gpt-3.5-turbo

Anthropic Models

• claude-3-opus, claude-3-sonnet, claude-3-haiku
• claude-3-5-sonnet

Google Models

• gemini-pro, gemini-1.5-pro, gemini-1.5-flash

Streaming

To enable streaming responses, set stream: true:

curl https://api.scrub.health/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_SCRUB_API_KEY" \
  -d '{
    "model": "gpt-4",
    "messages": [{"role": "user", "content": "Hello"}],
    "stream": true
  }'

Streaming responses use Server-Sent Events (SSE) format.