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トピックの作成

Feature Overview
This API is used by the app admin to create a topic.
API Calling Description
Applicable group types
Group Type ID
Whether This RESTful API Is Supported
Private
No
Public
No
ChatRoom
No
AVChatRoom
No
Community
This API applies only to topic-enabled communities.
These are the preset group types in Chat. For more information, see Group System.
Note:
To use the topic feature, you need to go to the console, choose Feature Configuration > Group configuration > Group feature configuration > Community, enable the community feature and then enable the topic feature.
Sample request URL
https://xxxxxx/v4/million_group_open_http_svc/create_topic?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/million_group_open_http_svc/create_topic
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
Create a topic. Here, GroupId is required, which indicates the group of the topic. Before creating a topic, a topic-enabled group must exist.
{
  "GroupId": "@TGS#_@TGS#cQVLVHIM62CJ", // Group ID of the topic, which is required
  "TopicName": "TestTopic" 		// Topic name, which is required
}
﻿
Customize the topic ID
To simplify the topic ID, Tencent Cloud allows customizing it in the format of "GroupId+@TOPIC#_+Custom part" during topic creation through the RESTful API in the application. For more information, see Group System.
{
  "GroupId": "@TGS#_@TGS#cQVLVHIM62CJ", // Group ID of the topic, which is required
  "TopicId": "@TGS#_@TGS#cQVLVHIM62CJ@TOPIC#_TestTopic", 	// Custom topic ID, which is optional
  "TopicName": "TestTopic" 		// Topic name, which is required
}
ALL IN ONE
{
  "GroupId": "@TGS#_@TGS#cQVLVHIM62CJ", // Group ID of the topic, which is required
  "TopicId": "@TGS#_@TGS#cQVLVHIM62CJ@TOPIC#_TestTopic", 	// Custom topic ID, which is optional
  "TopicName": "TestTopic", 		// Topic name, which is required
  "From_Account": "1400187352", // Member creating the topic
  "CustomString": "This is a custom string",	// Custom string
  "FaceUrl": "http://this.is.face.url", // (Optional) Topic profile photo URL
  "Notification": "This is topic Notification", // (Optional) Topic notice
  "Introduction": "This is topic Introduction" // (Optional) Topic introduction
}
﻿
Request fields
Field
Type
Required
Description
GroupId
String
Required
Group ID of the topic to be created
TopicId
String
No
To simplify topic IDs and make them easy to remember, Tencent Cloud allows apps to customize topic IDs during topic creation through RESTful APIs. For details, see here.
TopicName
String
Yes
Topic name, whose maximum length is 30 bytes. This field is UTF-8-encoded, and one Chinese character occupies three bytes.
From_Account
uint64
No
User account that wants to create the topic.
CustomString
String
No
Custom string, which can contain up to 3,000 bytes, encoded in UTF-8.
FaceUrl
String
No
URL of the topic profile photo, whose maximum length is 100 bytes.
Notification
String
No
Topic notice, whose maximum length is 300 bytes. This field is UTF-8-encoded, and one Chinese character occupies three bytes.
Introduction
String
No
Topic introduction, whose maximum length is 240 bytes. This field is UTF-8-encoded, and one Chinese character occupies three bytes.
Sample response
Basic form, containing only basic topic information
{
  "ActionStatus": "OK",
  "ErrorInfo": "",
  "ErrorCode": 0,
  "TopicId": "@TGS#_@TGS#cQVLVHIM62CJ@TOPIC#_@TOPIC#cETE3HIM62CQ"
}
Custom ID and ALL IN ONE of the topic
{
  "ActionStatus": "OK",
  "ErrorInfo": "",
  "ErrorCode": 0,
  "TopicId": "@TGS#_@TGS#cQVLVHIM62CJ@TOPIC#_TestTopic"
}
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
TopicId
String
ID of the successfully created topic, which can be customized or assigned by the Chat backend.
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.
10006
The operation exceeds the frequency limit. Please reduce the call frequency. This error is usually caused by too much net group increase in a single day or too frequent calls to obtain all groups in the app.
10007
Insufficient operation permissions. Check the request parameters based on the error message.
10008
The request is invalid, probably because verification of the signing information in the request failed. Please try again or submit a ticket.
10010
The current group does not exist or has been deleted.
10015
The requested group ID is invalid. Check the request parameter based on the error message.
10016
The application backend rejected this operation through a wehook. Check the returned value of the webhook before topic creation.
10025
You have already used this group ID. Disband the existing group first or select another group ID.
10036
The number of audio-video groups (AVChatRoom) created exceeds the limit. Delete some of the groups or purchase an upgrade by referring to Pricing.
10037
The number of prepaid topics created exceeds the limit. Delete some of the topics or purchase an upgrade by referring to Pricing.
11000
The current group does not support the community topic feature. To use this feature, you need to purchase the Premium edition and enable it in the console.
80001
Failed to pass the security check. Check the request parameters based on the error message.
API Debugging Tool
Use the RESTful API online debugging tool to debug this API.
Possible Webhooks
Before a Topic Is Created
After a Topic Is Created

Feature Overview
API Calling Description
Error Codes
API Debugging Tool
Possible Webhooks

Group Type ID	Whether This RESTful API Is Supported
Private	No
Public	No
ChatRoom	No
AVChatRoom	No
Community	This API applies only to topic-enabled communities.

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/million_group_open_http_svc/create_topic	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`.

Field	Type	Required	Description
GroupId	String	Required	Group ID of the topic to be created
TopicId	String	No	To simplify topic IDs and make them easy to remember, Tencent Cloud allows apps to customize topic IDs during topic creation through RESTful APIs. For details, see here.
TopicName	String	Yes	Topic name, whose maximum length is 30 bytes. This field is UTF-8-encoded, and one Chinese character occupies three bytes.
From_Account	uint64	No	User account that wants to create the topic.
CustomString	String	No	Custom string, which can contain up to 3,000 bytes, encoded in UTF-8.
FaceUrl	String	No	URL of the topic profile photo, whose maximum length is 100 bytes.
Notification	String	No	Topic notice, whose maximum length is 300 bytes. This field is UTF-8-encoded, and one Chinese character occupies three bytes.
Introduction	String	No	Topic introduction, whose maximum length is 240 bytes. This field is UTF-8-encoded, and one Chinese character occupies three bytes.

Error Code	Description
10002	Internal server error. Try again.
10003	Invalid command word.
10004	Invalid parameter. Check the error description and troubleshoot the issue.
10006	The operation exceeds the frequency limit. Please reduce the call frequency. This error is usually caused by too much net group increase in a single day or too frequent calls to obtain all groups in the app.
10007	Insufficient operation permissions. Check the request parameters based on the error message.
10008	The request is invalid, probably because verification of the signing information in the request failed. Please try again or submit a ticket.
10010	The current group does not exist or has been deleted.
10015	The requested group ID is invalid. Check the request parameter based on the error message.
10016	The application backend rejected this operation through a wehook. Check the returned value of the webhook before topic creation.
10025	You have already used this group ID. Disband the existing group first or select another group ID.
10036	The number of audio-video groups (AVChatRoom) created exceeds the limit. Delete some of the groups or purchase an upgrade by referring to Pricing.
10037	The number of prepaid topics created exceeds the limit. Delete some of the topics or purchase an upgrade by referring to Pricing.
11000	The current group does not support the community topic feature. To use this feature, you need to purchase the Premium edition and enable it in the console.
80001	Failed to pass the security check. Check the request parameters based on the error message.