# 消息状态回调

### 回调地址
* **需要在 INCS 设置您的回调地址**
### 回调请求方式
* **POST**
### 回调内容
#### 参数列表
|参数名|类型| 必传| 描述|
|-|-|-|-|
|event|string|是|回调事件名称，这里为 "message_status_update"
|channel_id|int|是|INCS 的消息通道ID
|business_phone|string|是|whatsapp business phone number
|message_id|string|是|WABA message ID
|message_status|string|是|消息状态：sent, failed, delivered, read
|error|object\|null|是| 错误信息，没有错误时为 null，有错误时为 object
|error.title|string|否| 错误描述
|error.code|int|否| WABA 定义的错误码
|received_at|timestamp|是| 消息状态变更时间
#### 回调示例
```json
{
  "event": "message_status_update",
  "channel_id": 30058,
  "business_phone": "6281519236680",
  "message_id": "wamid.HBgNNjI4OTY1MjQ1NjU0OBUCABEYEkYxNTY4NkNBRUY...",
  "message_status": "failed",
  "error": {
    "code": 131049,
    "title": "This message was not delivered to maintain healthy ecosystem engagement."
  },
  "received_at": 1754466101
},
```