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Shopify Cart with Third-Party Checkout Tools

When products are added to a Shopify cart via third-party checkout tools customers may be redirected directly to Checkout instead of the Cart page here are some options to change that behavior

Updated over a week ago

How to Prevent Auto-Redirect to Checkout

Overview

When products are added to a Shopify cart via third-party checkout tools (such as chat automations, SMS links, landing pages, or embedded purchase flows), customers may be redirected directly to Checkout instead of the Cart page.

This behavior is controlled by Shopify’s cart permalink handling and is not specific to ManyChat. It can affect:

  • Chat tools (ManyChat, WhatsApp, Instagram DM)

  • SMS marketing platforms

  • QR code order links

  • Custom landing pages

  • Headless or embedded storefront flows

This article outlines three supported approaches, with Solution 1 strongly recommended based on Shopify’s official documentation and widespread community usage.


✅ Recommended Solution (Best Practice)

Solution 1 — Add storefront=true to Cart Permalinks

Status: ⭐ Recommended
Reliability: High
Compatibility: Works across most Shopify themes and third-party tools


The Issue

Shopify cart permalinks without the storefront=true parameter may trigger an automatic redirect to Checkout when invoked from:

  • External tools

  • Non-storefront contexts

  • Embedded or scripted flows


Current URL Format (Problematic)

https://yourstore.myshopify.com/cart/{variant_id}:{quantity}?return_to=/cart

Corrected URL Format (Recommended)

https://yourstore.myshopify.com/cart/{variant_id}:{quantity}?storefront=true

Why This Works

Adding storefront=true:

  • Forces Shopify to treat the request as a storefront interaction

  • Prevents automatic redirect to Checkout

  • Keeps the user on the Cart page

  • Is a supported and documented Shopify behavior

  • Works reliably with third-party checkout tools


Expected Result

👉 The customer lands on /cart, where they can review, edit, or remove items before proceeding to checkout.


⚠️ Alternative Solutions (Use with Caution)

Solution 2 — Use /cart/add Endpoint

Use case: Silent cart additions
Reliability: Medium

Example

https://yourstore.com/cart/add?id=VARIANT_ID&quantity=2

Behavior

  • Product is added to cart

  • User remains on the current page

  • No redirect to Cart or Checkout

Explaination
This approach is useful when the third-party tool is only responsible for adding items, and navigation is handled separately.

Limitations

  • Customer must manually navigate to the Cart

  • Not ideal for guided or conversational checkout flows


Solution 3 — /cart/add + Redirect to Cart

Use case: Mixed reliability depending on theme

Example

https://yourstore.com/cart/add?id=VARIANT_ID&quantity=1&return_to=/cart

Behavior

  • Item is added to cart

  • User is redirected to the Cart page

Limitations

  • Redirect behavior varies by Shopify theme

  • Less predictable than Solution 1 when used with third-party tools


🔧 Example: Applying Solution 1 in ManyChat (Recommended)

Although this fix applies to any third-party checkout tool, ManyChat is a common implementation.

Before

https://yourstore.myshopify.com/cart/{{variant_id}}:{{quantity}}?return_to=/cart

After

https://yourstore.myshopify.com/cart/{{variant_id}}:{{quantity}}?storefront=true

✅ No other changes to the ManyChat flow are required.


🧪 Quick Validation Test

Ask the merchant to test the following URL directly in a browser:

https://yourstore.com/cart/VARIANT_ID:1?storefront=true

Success Criteria

  • Cart page opens

  • No automatic redirect to Checkout

If successful, the solution is confirmed and safe to deploy across third-party tools.


📌 Key Takeaways

  • This issue is Shopify behavior, not a bug in ManyChat or other tools

  • storefront=true is the most reliable fix

  • Works across chat tools, SMS links, landing pages, and embedded flows

  • Requires no theme changes and no app-specific configuration


📚 References & Documentation


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