Why did the JQuery URL shortener cease to work because of the DEPRECATED_ENDPOINT error?

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The JQuery URL shortener ceased to work because of the DEPRECATEDENDPOINT error because the API endpoint it was using was no longer supported or maintained by the server. This means that the code in the JQuery URL shortener was using an outdated API endpoint, and the server was no longer able to process the requests sent to that endpoint. As a result, the server returned the DEPRECATEDENDPOINT error, indicating that the API endpoint was no longer available. To fix this issue, the code in the JQuery URL shortener needs to be updated to use a currently supported API endpoint.