Certainly! Here's a comprehensive guide to the key functionalities of a URL shortener API, covering domain management, link operations, QR code generation, and analytics.

URL Shortener API Functionalities

1. Create Domain

Register a custom domain to be used for shortening URLs.

2. Create Link

Generate a shortened URL using a specified domain.

3. Update Link

Modify the destination URL or alias of an existing shortened link.

4. Delete Link

Remove a shortened link from the system.

5. List of Links

Retrieve a list of all shortened links created under your account.

6. List of Domains

Fetch all custom domains associated with your account.

7. Generate Link QR Code

Create a QR code for a specific shortened link.

Set side properties your API_key in UrlShort_Short_io_ module

Note: API Paid service Free trail some limitation. Get your Access key https://app.short.io/settings/integrations/api-key