/v2/messages/sendInbox

2025-09-01 06:41

Note: This API is no longer maintained. All the functionalities of this API have been migrated to the /v2/miniprogram/message/send/ API. We recommend you to utilize the /v2/miniprogram/message/send/ API for new features or enhancements.

POST /v2/messages/sendInbox

The sendInbox API is used for merchants or Independent Software Vendors (ISV) to send inbox messages to wallets by using access tokens.

Message structure

Request

Property	Data type	Required	Description	Example
accessToken	String	Yes	An access token that is used to send inbox messages. Max. length: 128 characters.	"2019112719074101000700000077771xxxx"
authClientId	String	No	The unqiue auth client ID Max. length: 128 characters.	"202016726873874774774xxxx"
requestId	String	Yes	The unqiue ID to identifiy a request at a transaction. It is idempotent, whichi means if the API call has the same result no matter how many times the API call is applied. For example, if there is the same `requestId` stored, return the stored result related to the same `requestId` . It means that the same `requestId` only sends message once. Max. length: 128 characters.	"20191127190741010007013213123xxxx"
templateCode	String	Yes	An unique code to distinguish different content templates. Max. length: 256 characters.	"TP_5800000001xxxx"
templates	Array<ContentTemplate>	Yes	A list of content templates of inbox messages to send. The maximum array size is five.	[ { "templateParameters": { "who": "string to represent a name, e.g. XiaoMing" }, "language": "en-US" } ]
extendInfo	String	No	The extensive information. The wallets and merchants can add additional information in this property. Max. length: 4096 characters.	"This is additional information"

Response

Property	Data type	Required	Description	Example
result	Result	Yes	The request result, which contains information like status and error codes.	{ "resultCode":"SUCCESS", "resultStatus":"S", "resultMessage":"success" }
messageId	String	No	The unqiue ID to identify a message. Max. length: 258 characters.	"20201235900212xxxx"
extendInfo	String	No	The additionally extensive information. Max. length: 4096 characters.	"This is additional information"

Result process logic

In the response, the result.resultStatus field indicates the result of processing a request as follows.

resultStatus	Decription
S	It means that sending inbox messages via access tokens is successful. The corresponding `result.resultCode` is "SUCCESS" and the `result.resultMessage` is "Success".
A	The request is accepted by wallets. The corresponding `result.resultCode` is "ACCEPT"; and the `result.resultMessage` varies based on different situations.
U	It means unknown exception occur on wallet side, the merchant or ISV may try again. The corresponding `result.resultCode` is "UNKNOWN_EXCEPTION" and `result.resultMessage` is "An API calling is failed, which is caused by unknown reasons.". For details, see the Common error codes section.
F	It means that sending inbox messages via access tokens fails. The corresponding `result.resultCode` and `result.resultMessage` vary based on different situations. For details, see the following Error codes section.

Error codes

Error codes are usually classified into the following categories:

Common error codes: are common for all Mini Program OpenAPIs.
API-specific error codes: are listed in the following table.

resultStatus	resultCode	resultMessage	Further action
F	INVALID_ACCESS_TOKEN	The access token is invalid.	Restart the OAuth again or refresh the token and try again.
F	INVALID_AUTH_CLIENT	The authentication client ID is invalid.	The authClientId is the appId for mini programs. Check if the appId is correct; if yes, contact your service provider.
F	USER_STATUS_ERROR	The user account status is wrong.	The user account might be locked or unregistered.
F	VERIFY_REQUEST_ID_INVALID	The request ID is invalid.	Check the format of the requestId and try again.

Sample

Merchants send a request to send inbox messages to wallets by an access token
Wallets returns a messsageId to merchants

Request

copy
{
    "accessToken": "2019112719074101000700000077771xxxx",
    "authClientId": "202016726873874774774xxxx",
    "requestId": "20191127190741010007013213123xxxx",
    "templateCode": "TP_5800000001xxxx",
    "templates": [
        {
            "templateParameters": {
                "who": "string to represent a name"
            },
            "language": "en-US"
        }
    ],
    "extendInfo": "This is additional information"
}

Response

copy
{
  "messageId": "20201235900212xxxx",
  "extendInfo": "This is additional information",
  "result": {
    "resultCode":"SUCCESS",
    "resultStatus":"S",
    "resultMessage":"success"
 }
}