Shortening links by hand is fine for ten links. At a thousand — every product in a catalogue, every user's referral link, every order confirmation — it stops being fine and starts being someone's whole afternoon, every week.
That's what an API is for. Your system asks for a short link, gets one back in milliseconds, and nobody opens a dashboard.
What a URL shortener API gives you
It's a normal REST API. You send a request with a long URL, you get back a short one. Most also let you fetch click statistics, update destinations, and delete links. Anything you can do in the dashboard, you can do in code.
When it's worth wiring up
- Referral programmes. Every new user needs their own trackable link at signup. Nobody's making those manually.
- E-commerce catalogues. A branded short link per product, generated when the product is created.
- Transactional messages. SMS has a hard character limit and you're paying per segment — short links are literally cheaper.
- Scheduled social posting. Your tool shortens and tags each link as it queues the post.
- Reporting. Pull click data into your own dashboard instead of exporting CSVs forever.
- Dynamic QR codes at scale. One per table, per shelf, per event — generated programmatically.
If you're doing any of these by hand right now, the API pays for itself the first week.
How it works in practice
Three steps: get a key, make a request, use the result.
1. Get your API key
In Hide.link it's in your account settings. Treat it like a password — it can create and delete links on your account. Put it in an environment variable, never in your source code, and never in front-end JavaScript where anyone can read it.
2. Create a link
A request looks roughly like this:
POST https://hide.link/api/v1/links
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json{ "url": "https://yourstore.com/products/summer-chair?colour=blue", "custom": "summer-chair", "domain": "yourbrand.link"}
And the response gives you back the short URL, its ID, and the QR code. Check the developer documentation for the exact fields and endpoints — they're what you should build against.
3. Read the stats
A GET on the link's stats endpoint returns clicks, countries, devices, and referrers — the same data the dashboard shows, in JSON you can put anywhere.
Things that will bite you
- Not handling duplicates. Decide upfront: if the same URL gets shortened twice, do you want the same link back or a new one? Getting this wrong creates thousands of orphans.
- Ignoring rate limits. Bulk-creating 10,000 links in a tight loop will get you throttled. Batch, and back off when you're told to.
- No error handling. Networks fail. Retry with exponential backoff rather than dropping the link silently — a missing link in a transactional SMS is a support ticket.
- Not storing the ID. Save the returned link ID in your own database. Without it you can't update or track anything later, and you'll be scraping your own dashboard to fix it.
- Leaking the key. Server-side only. Always.
- Skipping custom aliases. Auto-generated slugs are fine for machines, but a readable alias makes your own logs debuggable.
A realistic first project
Don't start with the whole catalogue. Pick one flow — say, generating a referral link when a user signs up — and ship that. It's usually about twenty lines: one POST on account creation, store the returned short URL against the user, display it on their dashboard. Once that's running reliably, expand.
The bottom line
An API turns link shortening from a task someone does into infrastructure that just runs. If you're generating links in any repeatable pattern, wire it up once and stop thinking about it.
Hide.link's REST API covers links, QR codes, bio pages, and analytics. Read the API docs or grab a free account and get a key.
Related reading: URL shortener with analytics · Custom domain short links
