OptionalfileOptional file extension to include in all shortened URL IDs (e.g., 'pdf', 'html'). The extension becomes part of each ID, so 'abc123.pdf' and 'abc123.jpg' are distinct URLs.
OptionalsecondsSeconds to live for all shortened URLs. If set to 0, the URLs will never expire. Defaults to 1 day.
The URLs to shorten. They must be valid URLs and should include the protocol (start with http:// or https://).
Options for creating multiple shortened URLs.