# Send Session Message

To send a session message directly triggered from backend can be sent using the following API

```
curl --location --request POST 'https://gateway.konverse.ai/ironman/api/v1/whatsapp/sessionMessage/text' \
--header 'x-app-id: <your app id>' \
--header 'x-api-key: <your app key>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "to": "91XXXXXXXX",
    "message": {
        "text": "<message>"
    }
}'
```

To send a file/attachment in a session directly triggered from backend can be sent using the following API

```
curl --location --request POST 'https://gateway.konverse.ai/ironman/api/v1/whatsapp/sessionMessage/attachment' \
--header 'x-app-id: <your app id>' \
--header 'x-api-key: <your app key>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "to": "91XXXXXXXX",
    "attachment": {
        "url": "<https://link-url-file>",
        "mime": "<mimetypes>",
        "filename": "<name of your file>",
        "caption": "Caption for your file>"
      }
}'
```

#### Supported Mime-Types <a href="#supported-files" id="supported-files"></a>

| Media      | Supported Content-Types                                                                                                                                                                                                                       |
| ---------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `audio`    | <p><code>audio/aac</code>, <code>audio/mp4</code>, <code>audio/amr</code>, <code>audio/mpeg</code>,<br><code>audio/ogg; codecs=opus</code></p><p><br></p><p><strong>Note:</strong> The base <code>audio/ogg</code> type is not supported.</p> |
| `document` | Any valid MIME-type.                                                                                                                                                                                                                          |
| `image`    | `image/jpeg`, `image/png`                                                                                                                                                                                                                     |
| `sticker`  | `image/webp`                                                                                                                                                                                                                                  |
| `video`    | <p><code>video/mp4</code>, <code>video/3gpp</code></p><p><br></p><p><strong>Notes:</strong></p><ul><li>Only H.264 video codec and AAC audio codec is supported.</li><li>Only videos with a single audio stream are supported.</li></ul>       |