Creates an over-the-air (OTA) module for a product.


OTA modules are the updatable units of the devices that belong to the same product. The default module indicates the entire firmware of a device. You can call this operation to create a custom OTA module.

  • You can create a maximum of 10 custom OTA modules for each product.
  • After an OTA module is created, you cannot modify its name. You can call the UpdateOTAModule operation to modify the module alias and description.
  • Each Alibaba Cloud account can run a maximum of 10 queries per second (QPS).
    Note RAM users of an Alibaba Cloud account share the quota of the account.


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 CreateOTAModule

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

ModuleName String Yes barcodeScanner

The name of the OTA module. The name is unique in a product and cannot be modified. The name can contain letters, digits, periods (.), hyphens (-), and underscores (_). The name must be 1 to 64 characters in length.

Note Letters are not case-sensitive. For example, you cannot use the module names scanner and Scanner at the same time.
ProductKey String Yes a1Le6d0****

The ProductKey of the product to which the OTA module belongs.

AliasName String No Barcode_scanner

The alias of the OTA module. The alias must be 1 to 64 characters in length, and can contain letters, digits, periods(.), hyphens (-), and underscores (_).

IotInstanceId String No iot-cn-0pp1n8t****

The ID of the instance. You can view the instance ID on the Overview page in the IoT Platform console.

  • If your instance has an ID, you must configure this parameter. If you do not set this parameter, the call fails.
  • If your instance has no Overview page or ID, you do not need to set this parameter.

For more information, see Overview.

Desc String No The firmware module of the barcode scanner.

The description of the OTA module. The description can be up to 100 characters in length.

In addition to the preceding operation-specific request parameters, you must specify common request parameters when you call this operation. For more information, see Common request parameters.

Response parameters

Parameter Type Example Description
Code String iot.system.SystemException

The error code returned if the call fails. For more information, see Error codes.

ErrorMessage String A system exception occurred.

The error message returned if the call fails.

RequestId String 74C2BB8D-1D6F-41F5-AE68-6B2310883F63

The ID of the request.

Success Boolean true

Indicates whether the call was successful.

  • true: The call was successful.
  • false: The call failed.


Sample requests
&<Common request parameters>

Sample success responses

XML format


JSON format

  "RequestId": "9F41D14E-CB5F-4CCE-939C-057F39E688F5",
  "Success": true

Error codes

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