Common variant automations
- Low-stock alert: variant inventory < 5 → email purchasing
- Auto-hide: variant sold out → hide from collection
- Bulk price update: category tag + date → change price
- Restock notify: variant back in stock → send back-in-stock emails
Setup
- Install Shopify Flow (free)
- Create workflow
- Trigger: variant event (inventory change, price update, created)
- Condition: filter by criteria
- Action: email, tag, HTTP request
HTTP action for integrations
Send webhooks to Slack, Klaviyo, custom systems. Full flexibility.
Limitations
No loops or conditional branching in same workflow. Sequential only. Use multiple workflows for complex logic.
Frequently asked questions
What is Shopify Flow?
Free workflow automation tool. Triggers on events (order, inventory), runs actions (email, tag, webhook).
Best variant automations for Shopify Flow?
Low-stock alerts, auto-hide sold-out, bulk price updates, restock notifications.
Shopify Flow free?
Yes since Nov 2022. All plans (Basic through Plus).
Trigger on variant inventory change?
Yes. Use 'Inventory quantity changed' trigger.
HTTP action for Slack?
Send HTTP POST to Slack webhook URL. JSON payload with variant data.
Loops in Shopify Flow?
No — sequential only. Break complex logic into multiple workflows.
Best alternative for advanced automation?
Mechanic (advanced Flow), Zapier (external), Alloy Automation (multi-app).
Flow with variant metafields?
Yes — read + write metafield values in workflow actions.
Related reading
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