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Feature Overview

This API is used by the app admin to send ordinary messages in a group.

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
Community
Yes
These are the preset group types in Chat. For more information, see Group System.

Sample request URL

https://xxxxxx/v4/group_open_http_svc/send_group_msg?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
Silicon Valley: adminapiusa.im.qcloud.com
Jakarta: adminapiidn.im.qcloud.com
v4/group_open_http_svc/send_group_msg
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, which should always be json.

Maximum call frequency

200 calls per second

Sample request

Basic format The app admin sends ordinary group messages, and the sender is the app admin.
{
"GroupId": "@TGS#2C5SZEAEF",
"Random": 8912345, // A random number. If the random numbers of two messages are the same within five minutes, they are considered to be the same message.
"MsgBody": [ // Message body, which consists of an element array. For details, see the field description.
{
"MsgType": "TIMTextElem", // Text
"MsgContent": {
"Text": "red packet"
}
},
{
"MsgType": "TIMFaceElem", // Emoji
"MsgContent": {
"Index": 6,
"Data": "abc\u0000\u0001"
}
}
],
"CloudCustomData": "your cloud custom data",
"SupportMessageExtension": 0,
"OfflinePushInfo": {
"PushFlag": 0, // Normal push
"Desc": "Content to push offline",
"Ext": "Passthrough content",
"AndroidInfo": {
"Sound": "android.mp3"
},
"ApnsInfo": {
"Sound": "apns.mp3",
"BadgeMode": 1, // If this field is left as default or is set to `0`, the message is counted. If this field is set to `1`, the message is not counted, that is, the icon number in the upper-right corner does not increase.
"Title":"apns title", // APNs title
"SubTitle":"apns subtitle", // APNs subtitle
"Image":"www.image.com" // Image URL
}
}
}
Specifying the message sender The app admin can specify a group member as the message sender in From_Account. After receiving the message, other members will see that the message is sent from the group member specified by the app admin.
{
"GroupId": "@TGS#2C5SZEAEF",
"From_Account": "leckie", // Message sender (optional)
"Random": 8912345, // A random number. If the random numbers of two messages are the same within five minutes, they are considered to be the same message.
"MsgBody": [ // Message body, which consists of an element array. For details, see the field description.
{
"MsgType": "TIMTextElem", // Text
"MsgContent": {
"Text": "red packet"
}
},
{
"MsgType": "TIMFaceElem", // Emoji
"MsgContent": {
"Index": 6,
"Data": "abc\u0000\u0001"
}
}
]
}
Specifying the message recipient If To_Account is added to the message body, and a message recipient is specified in it, the message will be sent only to the specified recipient, and the message is excluded from the unread count. (Supported group types: Private, Public, ChatRoom)
Note
This feature is supported only in the Premium edition.
{
"GroupId":"@TGS#12DEVUDHQ",
"Random":2784275388,
"MsgBody":[
{
"MsgType":"TIMCustomElem",
"MsgContent":{
"Data":"1cddddddddq1"
}
}
],
"To_Account":["brennanli2", "brennanli3"] // Specify the message recipient (up to 50 recipients can be specified). If this field is used, the message is excluded from the unread count.
}
Specifying that messages do not trigger conversation update If SendMsgControl is set to NoLastMsg, it indicates not to trigger conversation update; if it is set to NoUnread, it indicates not to include the message in the unread count (this field cannot be used for audio-video groups (AVChatRoom). For meeting groups (Meeting), messages are excluded from the unread count by default, and you need to enable the feature; otherwise, an error will be reported when NoUnread is set).
{
"GroupId": "@TGS#2C5SZEAEF",
"Random": 8912345, // A random number. If the random numbers of two messages are the same within five minutes, they are considered to be the same message.
"SendMsgControl":["NoLastMsg"],// Do not trigger conversation update.
"MsgBody": [ // Message body, which consists of an element array. For details, see the field description.
{
"MsgType": "TIMTextElem", // Text
"MsgContent": {
"Text": "red packet"
}
},
{
"MsgType": "TIMFaceElem", // Emoji
"MsgContent": {
"Index": 6,
"Data": "abc\u0000\u0001"
}
}
]
}
Specifying the message priority You can specify the message priority. The default priority is Normal. There are three priority options in descending order: High, Normal, and Low. They are case-sensitive.
{
"GroupId": "@TGS#2C5SZEAEF",
"Random": 8912345, // A random number. If the random numbers of two messages are the same within five minutes, they are considered to be the same message.
"MsgPriority": "High", // Message priority
"MsgBody": [ // Message body, which consists of an element array. For details, see the field description.
{
"MsgType": "TIMTextElem", // Text
"MsgContent": {
"Text": "red packet"
}
},
{
"MsgType": "TIMFaceElem", // Emoji
"MsgContent": {
"Index": 6,
"Data": "abc\u0000\u0001"
}
}
]
}
Forbidding callback for a message When the callback switch is turned on, users can specify ForbidCallbackControl to control whether to initiate callback for a single message. By default, callback is initiated.
{
"GroupId": "@TGS#2C5SZEAEF",
"Random": 8912345, // A random number. If the random numbers of two messages are the same within five minutes, they are considered to be the same message.
"ForbidCallbackControl":[
"ForbidBeforeSendMsgCallback",
"ForbidAfterSendMsgCallback"], // Callback forbidding control option
"MsgBody": [ // Message body, which consists of an element array. For details, see the field description.
{
"MsgType": "TIMTextElem", // Text
"MsgContent": {
"Text": "red packet"
}
},
{
"MsgType": "TIMFaceElem", // Emoji
"MsgContent": {
"Index": 6,
"Data": "abc\u0000\u0001"
}
}
]
}
Sending group @ messages The mentioned users (@) set in the GroupAtInfo field have a one-to-one and sequential correspondence to the mentioned @ users in the message body.
Caution
Audio-video groups (AVChatroom) don't support the @all feature.
{
"GroupId": "@TGS#2C5SZEAEF",
"Random": 8912345, // A random number. If the random numbers of two messages are the same within five minutes, they are considered to be the same message.
"MsgBody": [ // Message body, which consists of an element array. For details, see the field description.
{
"MsgType": "TIMTextElem", // Text
"MsgContent": {
"Text": "red @all @tommy @brennanli packet"
}
}
],
// It corresponds to @all @tommy @brennanli in the text information.
"GroupAtInfo":[
{
"GroupAtAllFlag":1 // `1`: @ all ; `0`: @ a certain group member
},
{
"GroupAtAllFlag":0,
"GroupAt_Account":"tommy" // @ a specific group member
},
{
"GroupAtAllFlag":0,
"GroupAt_Account":"brennanli"
}
]
}
Specifying messages for online delivery without offline or roaming retention If OnlineOnlyFlag in the message body is set to a value greater than 0, the message is for online delivery only, not for offline or roaming retention (not available for AVChatRoom or BChatRoom).
{
"GroupId": "@TGS#2C5SZEAEF",
"Random": 8912345, // A random number. If the random numbers of two messages are the same within five minutes, they are considered to be the same message.
"OnlineOnlyFlag": 1, // The message is for online delivery only (only online group members will receive it), not for offline or roaming retention.
"MsgBody": [ // Message body, which consists of an element array. For details, see the field description.
{
"MsgType": "TIMTextElem", // Text
"MsgContent": {
"Text": "red packet"
}
},
{
"MsgType": "TIMFaceElem", // Emoji
"MsgContent": {
"Index": 6,
"Data": "abc\u0000\u0001"
}
}
]
}

Request fields

Field
Type
Required
Description
GroupId
String
Yes
ID of the group to which the message will be sent
Random
Integer
Yes
A 32-bit unsigned integer. If the content and random numbers of two messages within five minutes are the same, the later message will be discarded as a repeated message.
MsgPriority
String
No
Message priority
MsgBody
Array
Yes
Message body. For more information, see Message Formats.
From_Account
String
No
Message source account. If this field is not specified, the message sender is the app admin account used to call the API. Alternatively, apps can specify the message sender in this field to implement some special features. Note that if this field is specified, you must ensure that the account in this field exists.
OfflinePushInfo
Object
No
Information of offline push. For more information, see Message Formats.
ForbidCallbackControl
Array
No
Message callback forbidding option, valid only for a single message. ForbidBeforeSendMsgCallback: callback before sending the message is forbidden; ForbidAfterSendMsgCallback: callback after sending the message is forbidden.
OnlineOnlyFlag
Integer
No
1: send to online members only; 0 (default value): send to all members. This field is not valid for audio-video groups (AVChatRoom).
SendMsgControl
Array
No
Message sending permission, only valid for the current message. NoLastMsg: do not trigger conversation update; NoUnread: do not include the message in the unread count. (If OnlineOnlyFlag is set to 1 for the message, this field cannot be used.)
CloudCustomData
String
No
Custom message data. It is saved in the cloud and will be sent to the receiver. Such data can be pulled after the app is uninstalled and reinstalled.
SupportMessageExtension
Integer
No
Whether the message supports message extension. 0: No. 1: Yes
To_Account
Array
No
Specify up to 50 message receivers. If this field is used, the message will be excluded from the unread count. It is available only in the Premium edition for work groups (Work), public groups (Public), and meeting groups (Meeting).
TopicId
String
No
Topic ID, which indicates sending ordinary messages in the topic and applies only to topic-enabled communities.

Sample responses

{
"ActionStatus": "OK",
"ErrorInfo": "",
"ErrorCode": 0,
"MsgTime": 1497249503,
"MsgSeq": 1,
"MsgDropReason" : "MsgFreqCtrl"
}

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
MsgTime
Integer
Message sending timestamp, corresponding to the backend server time
MsgSeq
Integer
Message sequence number, the unique identifier of a message
MsgDropReason
String
Reason for discarding the message. It is empty by default. Currently, only messages that exceed the frequency limit are discarded.

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.
10004
Invalid parameter. Check the error description and troubleshoot the issue.
10007
No operation permissions. This error occurs when, for example, a member in a public group tries to remove other users from the group (only the app admin can perform this operation).
10010
The group does not exist or has been deleted.
10015
Invalid group ID. Use a correct group ID.
10016
The app backend rejected this operation through a third-party callback.
10017
The message cannot be sent due to muting. Check whether the sender is muted.
10023
The frequency limit for message sending is reached. Try again later.
80002
The message content is too long. Currently, the maximum message length supported is 12 KB. Please adjust the message length.

API Debugging Tool

Use the RESTful API online debugging tool to debug this API.

References

Sending System Messages in a Group (v4/group_open_http_svc/send_group_system_notification)

Possible Callbacks