> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/SmartEatAI/smart-eat-ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Send Chat Message

Send a message to the SmartEat AI assistant and receive intelligent responses based on your profile and meal plan.

## Authentication

This endpoint requires Bearer token authentication. Include your access token in the Authorization header:

```
Authorization: Bearer <your_access_token>
```

## Request

### Query Parameters

<ParamField query="message" type="string" required>
  The message content to send to the AI assistant. Can be questions about nutrition, meal planning requests, or general health inquiries.
</ParamField>

## Response

<ResponseField name="response" type="string">
  The AI assistant's response to your message. This is generated based on your profile, active meal plan, and conversation context.
</ResponseField>

<ResponseField name="used_tools" type="array" nullable>
  List of internal tools the AI agent used to generate the response. May include tools for profile access, meal plan management, or recommendation systems.

  <Expandable title="Tool names">
    * `get_profile` - Retrieved user profile information
    * `get_plan` - Accessed current meal plan
    * `create_plan` - Generated a new meal plan
    * `swap_recipe` - Recommended recipe substitutions
  </Expandable>
</ResponseField>

## Example Request

```bash cURL theme={null}
curl -X POST https://api.smarteat.ai/api/chat/ \
  -H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..." \
  -H "Content-Type: application/json" \
  -d 'message=I want to create a meal plan for this week'
```

```python Python theme={null}
import requests

url = "https://api.smarteat.ai/api/chat/"
headers = {
    "Authorization": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
    "Content-Type": "application/json"
}
params = {
    "message": "I want to create a meal plan for this week"
}

response = requests.post(url, headers=headers, params=params)
print(response.json())
```

```javascript JavaScript theme={null}
const response = await fetch('https://api.smarteat.ai/api/chat/?message=I%20want%20to%20create%20a%20meal%20plan%20for%20this%20week', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...',
    'Content-Type': 'application/json'
  }
});

const data = await response.json();
console.log(data);
```

## Example Response

```json 200 - Success theme={null}
{
  "response": "I'd be happy to help you create a meal plan for this week! Based on your profile, I see you're aiming to lose weight with a target of 1800 calories per day across 3 meals. I've generated a balanced 7-day meal plan that includes breakfast, lunch, and dinner options tailored to your preferences and dietary restrictions. Your new meal plan is now active and ready to view!",
  "used_tools": [
    "get_profile",
    "create_plan"
  ]
}
```

```json 401 - Unauthorized theme={null}
{
  "detail": "Invalid token payload"
}
```

```json 500 - Server Error theme={null}
{
  "detail": "Error en el asistente: Connection timeout"
}
```

## Notes

* The assistant maintains conversation context using a thread ID based on your user ID and current date
* Messages are enhanced with your user ID to enable personalized tool usage
* The AI agent has access to your profile, active meal plan, and can perform actions like creating plans or swapping recipes
* Response times may vary based on the complexity of your request and whether the AI needs to query multiple data sources