HL Connector

Documentation

Everything you need to integrate with HL Connect — clear guides, real examples, and a complete API reference to get you from first request to production.

Catalog

Discover and work with the full catalog of digital assets. Each asset includes rich metadata such as formats, pricing, contributors, categories, instruments, and related media — all available through a single, consistent API.

Purchase

A fully asynchronous purchase workflow for digital assets. Register purchases, track order status, retrieve secure access URLs, and handle cancellations — all designed for reliable, scalable integrations.

Dashboard

Manage your integration in one place. Issue and rotate API tokens, explore interactive API documentation, and monitor purchase activity and order history.

Get started

To start using HL Connect, you’ll first need vendor access.

  1. Register with Hall Leonard
    Sign up as a vendor with Hall Leonard to receive your vendor credentials.
  2. Access the Dashboard
    Use your vendor login and password to sign in to the HL Connect Dashboard.
  3. Create API tokens
    Generate API tokens to authenticate your requests securely.
  4. Build your integration
    Start working with the Catalog API and implement purchase registration and tracking in your application.

Once your tokens are issued, you’re ready to integrate and go live.