Customize your storefront with the theme editor

Pick and customize a MyCart storefront theme from the store admin sidebar.

Prerequisites

• A MyCart / Riverr-hosted store (not only a Shopify connection)
• Store opens into /shop/settings/{shopId}/...

Steps — activate a theme

1. Stores (/shops) → open the store (or ⋮ → Store settings / Edit theme).
2. Sidebar Online Store → Themes → /shop/settings/{shopId}/themes.
3. Card title Themes; subheader Browse themes and choose the one that's live on your store.
4. Per theme: Activate, Preview, or Customize.

[SCREENSHOT: Themes card]

Steps — visual customize (external editor)

1. Sidebar Online Store → Customize (external link), or Customize on a theme row.
2. Opens {STOREFRONT_API_BASE}/theme-editor?hostname=…&uid=… (requires the store domain).

[SCREENSHOT: theme editor]

What happens next

Activate makes the theme live. Customize edits the published theme on the storefront host.

Related articles

• Connect a custom domain
• The Riverr theme system: Overpress, Forge & the customizer