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Sending System Messages in a Group/

Sending System Messages in a Group

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Feature Overview

This API is used by app admins to push system notifications to group chats.

API Calling Description

Applicable group types

Group Type ID
RESTful API Support
Private
Yes. Same as work groups (Work) in the new version.
Public
Yes
ChatRoom
Yes. Same as the meeting group (Meeting) in the new version.
AVChatRoom
Yes. But only to all group members.
Community
Yes
These are the preset group types in Chat. For more information, see Group System.
Note
A non-audio-video group supports sending system notifications to specified group members, but an audio-video group (AVChatRoom) only supports sending system notifications to all group members.
For more information on the API (V2TIMGroupListener.onReceiveRESTCustomData) for clients to receive system notifications, see Android or iOS.

Sample request URL

https://xxxxxx/v4/group_open_http_svc/send_group_system_notification?sdkappid=88888888&identifier=admin&usersig=xxx&random=99999999&contenttype=json

Request parameters

The following table describes the modified parameters when this API is called. For other parameters, see RESTful API Overview.
Parameter
Description
xxxxxx
Domain name corresponding to the country/region where your SDKAppID is located.
China: console.tim.qq.com
Singapore: adminapisgp.im.qcloud.com
Seoul: adminapikr.im.qcloud.com
Frankfurt: adminapiger.im.qcloud.com
Mumbai: adminapiind.im.qcloud.com
Silicon Valley: adminapiusa.im.qcloud.com
Jakarta: adminapiidn.im.qcloud.com
v4/group_open_http_svc/send_group_system_notification
Request API
sdkappid
SDKAppID assigned by the Chat console when an app is created
identifier
App admin account. For more information, see the App Admin section in Login Authentication.
usersig
Signature generated by the app admin account. For details, see Generating UserSig.
random
A random 32-bit unsigned integer ranging from 0 to 4294967295.
contenttype
Request format. The value is fixed to json.

Maximum call frequency

200 calls per second

Sample request

Basic format This example pushes a system notification to all members in a group.
{
  "GroupId": "@TGS#2C5SZEAEF",
  "Content": "Hello World" // Content of the notification
}
To specific members To specify who can receive the system notification, set the recipients in ToMembers_Account. Audio-video groups (AVChatRoom) only support sending system notifications to all group members, but not specified group members.
{
  "GroupId": "@TGS#2C5SZEAEF",
  "ToMembers_Account": [ // List of recipients. You can leave this field empty to send the notification to all members.
      "peter",
      "leckie"
  ],
  "Content": "Hello World" // Content of the notification
}

Request fields

Field
Type
Required
Description
GroupId
String
Yes
ID of the group to which the notification will be sent
ToMembers_Account
Array
Yes
List of recipients. Up to 500 recipient UserIDs are supported. You can leave this field empty to send the notification to all members.
Content
String
Yes
Content of the notification
TopicId
String
No
ID of the topic where system notices are sent. This field applies only to topic-enabled community groups.

Sample response

{
    "ActionStatus": "OK",
    "ErrorInfo": "",
    "ErrorCode":0
}

Response fields

Field
Type
Description
ActionStatus
String
Request result. OK: successful; FAIL: failed
ErrorCode
Integer
Error code. 0: Successful; other values: Failed
ErrorInfo
String
Error information

Error Codes

The returned HTTP status code for this API is always 200 unless a network error (such as error 502) occurs. The specific error code and details can be found in the response fields ErrorCode and ErrorInfo respectively. For public error codes (60000 to 79999), see Error Codes. The following table describes the error codes specific to this API:
Error Code
Description
10002
Internal server error. Try again.
10003
Invalid command word.
10004
Invalid parameter. Check the error description and troubleshoot the issue.
10007
No operation permissions. For example, a common member in a public group tries to remove other users from the group, but only the app admin can do so.
10010
The group does not exist or has been deleted.
10015
Invalid group ID. Use the correct group ID.

API Debugging Tool

Use our RESTful API Tester to test your requests.

References

Sending Ordinary Messages in a Group (v4/group_open_http_svc/send_group_msg)