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Message Extension/
Configuring Message Extension for a One-to-One Message/

Configuring Message Extension for a One-to-One Message

Feature Overview

App admins and conversation members can configure message extension for common one-to-one messages. Message extension is a set of custom key-value pairs.
Note
To use this feature, you need to purchase the Premium edition and enable the Set message extension feature on the Login and Message page in the Chat console.
Up to 300 key-value pairs can be set for each one-to-one message.
For one-to-one messages for which key-value pairs are set, they need to be specified to support message extension when being sent. For operation details, see Sending One-to-One Messages to One User.

Sample request URL

https://xxxxxx/v4/openim_msg_ext_http_svc/set_key_values?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/openim_msg_ext_http_svc/set_key_values
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
Configure message extension for a one-to-one message whose MsgKey is 44739199_12_1665388280:
{
    "From_Account": "62768",
    "To_Account": "116400",
    "MsgKey": "44739199_12_1665388280",
    "OperateType": 1,
    "ExtensionList": [
        {"Key": "k1", "Value": "v1", "Seq": 0},
        {"Key": "k2", "Value": "v2", "Seq": 0},
        {"Key": "k3", "Value": "v3", "Seq": 0}
    ]
}
Delete certain message extension for a one-to-one message whose MsgKey is 44739199_12_1665388280:
{
    "From_Account": "62768",
    "To_Account": "116400",
    "MsgKey": "44739199_12_1665388280",
    "OperateType": 2,
    "ExtensionList": [
        {"Key": "key1", "Value": "", "Seq": 1}
    ]
}
Clear all message extension for a one-to-one message whose MsgKey is 44739199_12_1665388280:
{
    "From_Account": "62768",
    "To_Account": "116400",
    "MsgKey": "44739199_12_1665388280",
    "OperateType": 3
}

Request fields

Field
Type
Required
Description
From_Account
String
No
UserID of the sender (used to specify the message sender)
To_Account
String
Yes
UserID of the recipient
MsgKey
String
Yes
Unique identifier of the one-to-one message. For how to obtain the MsgKey of the message, see the API for sending one-to-one messages to one user.
OperateType
Integer
Yes
1: Setting key-value pairs for a message; 2: Deleting certain key-value pairs for a message; 3: Clearing all key-value pairs for a message
ExtensionList
Array
Yes (when OperateType is 1 or 2)
Up to 20 key-value pairs can be set or deleted per request
Fields of the objects in ExtensionList are described as follows:
Field
Type
Required
Description
Key
String
Yes
Key in a key-value pair, which can be up to 100 bytes
Value
String
Yes
Value in a key-value pair, which can be up to 1,000 bytes
Seq
Integer
Yes (when the API is not called by an app admin)
Version number of the current key-value pair. Seq is 0 when the API is called by a conversation member to configure a key-value pair for the first time and is 1 when the configuration is successful. For subsequent key-value pair configuration, the latest Seq of the key-value pair needs to be passed back to the backend, which then checks whether the key-value pair has been modified by others. If the Seq does not match the key-value pair, the configuration fails, and an error code is returned. The backend does not verify the Seq when the API is called by an app admin.

Sample response

{
    "ActionStatus": "OK",
    "ErrorInfo": "",
    "ErrorCode": 0,
    "ExtensionList": [
        {
            "ErrorCode": 0,
            "Extension": {
                "Key": "k1",
                "Value": "v1",
                "Seq": 1
            }
        },
        {
            "ErrorCode": 23001,
            "Extension": {
                "Key": "k2",
                "Value": "v1234",
                "Seq": 2
            }
        }
    ]
}

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
ExtensionList
Array
Message extension configuration result

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.
10008
Invalid request: The request is not an Premium edition plan request.
23001
Seq conflict: The key-value setting has been modified by others. You need to pull the latest Seq to request again.
23002
The configured one-to-one message does not support message extension.
23003
Too many key-value setting attempts (more than 200 attempts per minute per message)
23004
The configured one-to-one message does not exist.