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How to Use Shopify Flow to Automate Order Fulfillment and Shipping

Learn how to set up Shopify Flow workflows to automatically assign orders, print labels, and update tracking—saving hours of manual work.

May 18, 2026 8 views

Why Automate Order Fulfillment with Shopify Flow?

Shopify Flow is a powerful automation tool that helps merchants streamline repetitive tasks. By automating order fulfillment and shipping, you can reduce errors, speed up delivery, and free up time to focus on growth. In this guide, we'll walk through practical workflows for assigning orders, printing labels, and updating tracking automatically.

Getting Started with Shopify Flow

To begin, ensure you have the Shopify Flow app installed from the Shopify App Store. Once installed, you can create workflows triggered by specific events, such as order creation or payment confirmation. Each workflow consists of a trigger, conditions, and actions.

Trigger: When an Order is Created

Start with the trigger "Order created." This will activate your workflow every time a new order comes in. You can then add conditions to filter orders based on criteria like shipping method, product type, or location.

Workflow 1: Automatically Assign Orders to a Fulfillment Location

If you have multiple warehouses or drop-shippers, manually assigning each order can be tedious. Use Shopify Flow to automatically assign orders to the appropriate location based on product inventory or customer address.

Steps:

  • Trigger: Order created
  • Condition: Product inventory location equals "Warehouse A"
  • Action: Assign order to "Warehouse A"

This ensures orders are routed to the correct fulfillment center without human intervention.

Workflow 2: Auto-Print Shipping Labels with a Third-Party App

Printing labels manually can slow down fulfillment. Connect Shopify Flow to a label printing app like ShipStation or Shippo. When an order is assigned to a location, trigger label generation.

Steps:

  • Trigger: Fulfillment created
  • Condition: Fulfillment location equals "Warehouse A"
  • Action: Send HTTP request to ShipStation API to create label

Alternatively, use the "Send email" action to notify a printer with order details. For advanced automation, integrate with a label printing service.

Workflow 3: Update Tracking Information Automatically

Once a label is created, update the order with tracking info. This triggers an email to the customer, reducing support queries.

Steps:

  • Trigger: Fulfillment created
  • Action: Update order with tracking number from label response

You can also add a condition to only send tracking if the carrier is USPS or FedEx.

Best Practices for Shopify Flow Automations

  • Test workflows with sample orders before going live.
  • Use conditions to avoid unintended actions (e.g., only for paid orders).
  • Monitor workflow logs to catch errors early.
  • Combine multiple actions in one workflow for efficiency.

By leveraging Shopify Flow for order fulfillment and shipping automation, you can save hours of manual work and scale your business seamlessly. Start with these workflows and customize them to fit your operations.

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