--- title: "API_ChangeManager" slug: "api-changemanager" updated: 2025-08-18T09:04:08Z published: 2025-08-18T09:04:08Z canonical: "help.quickbase.com/api-changemanager" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.quickbase.com/llms.txt > Use this file to discover all available pages before exploring further. # API_ChangeManager **Don't forget to check out our** [**JSON RESTful APIs**](https://developer.quickbase.com/)**, they can help you utilize and extend Quickbase with ease.** ## Overview Use API_ChangeManager to assign a user to manage an app. ## Request parameters | Parameter | Value | Required? | | --- | --- | --- | | newmgr | A valid email address for the new app manager | yes | | ticket | A valid authentication ticket. The authentication ticket is returned via the API_Authenticate call. Note: You must be an account admin or realm admin to use API_ChangeManager | yes | | udata | A string value that you want returned. It will not be handled by Quickbase but it will be returned in the response. | no | ## Response values | Element Name | Value | | --- | --- | | action | The originating request, for example, API_ChangeManager. | | errcode | Identifies the error code, if any. (See the [Error Codes appendix](/v1/docs/error-codes) for a list of possible error codes.) 0 indicates that no error was encountered. | | errtext | Text that explains the error code. "No error" indicates that no error was encountered. | | udata | Optional. Contains any udata value supplied in the request. | ## Sample XML Request ```xml POST https://target_domain/db/target_app HTTP/1.1 Content-Type: application/xml Content-Length: QUICKBASE-ACTION: API_ChangeManager   misc data   auth_ticket   angela_leon@gmail.com ``` ## Sample HTTP Get Request ```plaintext https://target_domain/db/target_app?a=API_ChangeManager&newmgr=angela_leon@gmail.com &ticket=auth_ticket&udata=misc%20data ``` ## Sample response ```xml   API_ChangeManager   0   No error   misc data ```