Creates an application.

Usage note

You can create a maximum of 10 applications within an Alibaba Cloud account. For more information, see Overview.

QPS limit

A single user can perform a maximum of 50 queries per second (QPS). Throttling is triggered when the number of calls per second exceeds the QPS limit. The throttling may affect your business. Thus, we recommend that you observe the QPS limit on this operation.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes CreateAppInfo

The operation that you want to perform. Set the value to CreateAppInfo.

AppName String Yes test

The name of the application, which must be unique.

  • The name can contain up to 128 characters in length, including Chinese letters, digits, and periods (.), dash (-), and at character (@).
  • The name can contain only UTF-8 characters.
Description String No myfirstapp

The description of the application.

  • The description can contain up to 512 characters in length.
  • The description can contain only UTF-8 characters.

Response parameters

Parameter Type Example Description
AppId String app-****

The ID of the application.

RequestId String 25818875-5F78-4A13-34D5-D7393642****

The ID of the request.


Sample requests

&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK


JSON format

HTTP/1.1 200 OK

  "AppId" : "app-****",
  "RequestId" : "25818875-5F78-4A13-34D5-D7393642****"

Error code

For a list of error codes, visit the API Error Center.

Common errors

The following table describes the common errors that this operation can return.

Error code

Error message

HTTP status code



The app service is not open.


The error message returned because the multi-application service has not been activated.


User not authorized to operate app.


The error message returned because you are not authorized to manage the application.


The specified AppName has already exist.


The error message returned because the name of the application already exists.


App Count has exceeded 10.


The error message returned because the number of applications that can be created exceeds the upper limit.