## Modify

**post** `/api/modify-group`

Add or manage participants in a group chat (beta feature)

### Body Parameters

- `group_id: string`

  Group identifier

- `modify_type: "add_recipient"`

  Type of modification to perform

  - `"add_recipient"`

- `number: string`

  Phone number to add/modify in E.164 format

### Returns

- `message: optional string`

- `status: optional string`

### Example

```http
curl https://api.sendblue.co/api/modify-group \
    -H 'Content-Type: application/json' \
    -H "sb-api-key-id: $SENDBLUE_API_API_KEY" \
    -H "sb-api-secret-key: $SENDBLUE_API_API_SECRET" \
    -d '{
          "group_id": "group_123456",
          "modify_type": "add_recipient",
          "number": "+19998887777"
        }'
```