The SDK is currently in active development. For more details, see the U301 Postman docs.

Introduction

Create branded short links with U301: custom domains, real-time analytics, and developer integrations via REST API and JavaScript SDK.

Key Features

  • Shorten long URLs into clean, shareable links.
  • Use your own custom domain for branded links.
  • Built-in analytics for clicks, referrers, geography, and devices.
  • REST API and JavaScript SDK for automation and integrations.
  • Companion utilities to streamline everyday operations.

Get Started

U301 is a modern URL shortening platform. Beyond the default u301.co domain, you can connect your own branded domain to create links that look and feel like your brand.

  • Create your first short link:
    1. Paste a long URL.
    2. Choose a domain (u301.co or your custom domain).
    3. Optionally set a custom slug.
    4. Save and share your short link.
  • Connect a custom domain:
    • Add a CNAME record that provided in dashboard
    • Verify ownership and enable the domain in U301.
    • Use the domain when creating links.
  • Explore the SDK:

Analytics

  • Track total clicks and trends over time.
  • See referrers and top traffic sources.
  • Understand audience geography and device breakdown.
  • Export data or access analytics via the API.

API & SDK

  • Automate link creation, updates, and retrieval of analytics.
  • JavaScript SDK: see the guide.
  • REST endpoints: documentation will be published soon.

Support

Questions or issues? Email [email protected].

Fry

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AI & LLMs.txt

A plain-English guide to U301 LLMs.txt and how to use it

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Key FeaturesGet StartedAnalyticsAPI & SDKSupport