# Horizon documentation
Guides for the Horizon Control Tower, from connecting your stores, carriers and ERP to running orders, shipments and returns day to day
Section: platform. Audience: public. Updated: 2026-10-09.
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Horizon is a logistics control tower: one place to see orders, inventory, shipments and the money attached to them, across the carriers, storefronts and ERP systems a business already runs.
## Connect a platform
Step-by-step setup for each storefront and ERP system, from the first permission to the first sync.
## Use the app
How the Control Tower works, screen by screen, from your first sign-in to your monthly invoice.
Every screen, A to Z →
## Build with the API
Connect your own systems to Horizon with an API key. The reference is generated from the API itself.
## Using these docs
- Every page as MarkdownUse the Markdown actions under a page title, or add
.md to the page URL. Useful for feeding a page to an AI assistant.
- No figures in the textPrices, allowances and caps change, and a copied number goes stale silently. Each page links to the screen that shows the live value.
- Search everythingSearch at the top of every page covers every guide. The sidebar lists them by topic, in the order you meet them.