## Start typing indicator

`chats.typing.start(strchat_id)`

**post** `/v3/chats/{chatId}/typing`

Send a typing indicator to show that someone is typing in the chat.

## Behavior & Limitations

Typing indicators are best-effort signals with the following limitations:

- **Active conversations only:** The recipient must have sent or received a message
  in this chat within the **last 5 minutes**. If the chat is inactive, the request is
  still accepted (`204`) but the indicator will not reach the recipient's device.

- **No delivery guarantee:** Even for active chats, a `204` response only indicates
  the request was accepted for processing.

- **Group chats not supported:** Attempting to start a typing indicator in a group chat
  will return a `403` error.

### Parameters

- `chat_id: str`

### Example

```python
import os
from linq import LinqAPIV3

client = LinqAPIV3(
    api_key=os.environ.get("LINQ_API_V3_API_KEY"),  # This is the default and can be omitted
)
client.chats.typing.start(
    "550e8400-e29b-41d4-a716-446655440000",
)
```

#### Response

```json
{
  "error": {
    "status": 400,
    "code": 1002,
    "message": "Phone number must be in E.164 format",
    "doc_url": "https://docs.linqapp.com/error/codes/1xxx/1002/"
  },
  "success": false
}
```