I'm trying automatize some processes. I create a project using Jira API and can not find possibilities to change the board's setting using API. How I am doing it using UI. Firstly I copy the board then I walk to my copied board's settings and change its location to desired project. After that I delete the old board of this project. I did not find any method for assign board's configuration. There are only some API methods for getting configuration not setting. Have you got any suggestions for this ?
It doesn't look like there are currently any API methods that would allow you to perform that change. My suggestion would be instead use the Create method to create a new board with the copied configuration, and set the project location during creation.
You could also potentially try use the https://sitename.atlassian.net/rest/greenhopper/1.0/rapidviewconfig/boardLocation PUT method, which is what's called when you change the location from the UI. However that is from the frontend, so your mileage may vary as far as authentication and use in general.