Public APIs
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Bly.to

URL Shorteners

URL shortening service with analytics and tracking capabilities.

Bly.to's website screenshot

About Bly.to

Bly.to is a link shortening service offering a web dashboard, REST API, and browser extension for creating short links. It supports custom domains, allowing links to be served on a subdomain (such as go.yourbrand.com) via CNAME setup, with automatic SSL provisioning; apex domains and www are not supported, and accounts can connect up to 2 custom domains.

The API lets developers create short links (with optional custom slugs and custom domains) and retrieve click analytics programmatically, authenticated via an X-API-Key header. Analytics cover total clicks, unique visitors, geographic data (country and city), device and browser information, and referrer data.

Each short link can also generate a QR code, toggled at creation time or via the API, with scans tracked separately from regular link clicks. The service is built by ZynTap LLC and is intended for developers and businesses integrating link shortening, branded domains, and QR codes into their own applications or marketing workflows.

Key features

  • Shorten links via dashboard, REST API, or browser extension
  • Connect custom subdomains with automatic SSL provisioning
  • Generate and track QR codes separately from link clicks
  • Analytics with click tracking, geographic data, device/browser breakdown, and referrer data
  • API access to create short links and fetch link analytics programmatically

Frequently asked questions

How do I authenticate with the API?

Public API integrations use an X-API-Key header (or apiKey in the JSON body), which is separate from the cookie-based session used by the web dashboard.

Can I use my own domain for short links?

Yes, you can connect a dedicated subdomain via a CNAME record pointing to cname.bly.to, and Bly.to provisions SSL once DNS is verified; apex domains and www are not supported, and accounts can connect up to 2 custom domains.

Does Bly.to support QR codes?

Yes, any short link can have a QR code enabled at creation time (via dashboard toggle or the API's qr parameter), and QR scans are tracked separately from link clicks.

What analytics does Bly.to provide?

It tracks total clicks and unique visitors, geographic data (country and city), device type and browser, and referrer data.

How can I create short links programmatically?

Send a POST request to https://bly.to/shorten with the destination URL and optional slug, QR flag, and custom domain parameters.

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