I’ve spent MONTHS trying to get Shopify to understand that there are 2 fundamental issues with how Shopify manages the incoming inventory quantities from apps. They are SO BAD at reading and understanding that I created a website for the issues: Shopify Incoming Inventory API Issues Explained Here…

Hey @Horse , Thank you so much for sharing this! I’m going to dive it to make sure I fully understand. Can I ask a few more questions to make sure I’m not missing anything here? You seem to have a grasp of the current limitations. Is your post here primarily to report a bug, or is this more of a …

I need a solution. Users are complaining because Horse can’t zero itself out. Both If used exclusively then it might. I haven’t tested it yet. But I am hopeful that if an app did use it exclusively then it could resolve the issues. However, it doesn’t help everyone else that still uses the existing…

Thanks Marc, I’ve been replicating this on my end to be sure I understand. This is what I’ve done and what I’ve found. Please let me know what I’m missing because it seems to work for me as expected and doesn’t get stuck, even after app uninstallation. Spun up a custom app and used the adjustInv…

Right good work. So you needed to create a second app to remove that incoming inventory. Not possible for regular store owners. That’s issue 1. Store owners are left holding the bag after uninstalling an app. They are stuck because they can’t do this themselves. You missed the part where issue …

Can I please get a response? You asked me to let you know what you’re missing and I gave you a great reply.

Hey, I apologize for that. I was off on holiday, so I’ll dig in to your response here and get back to you ASAP.

Hey @Horse , I’ve tested further to better understand issue #2, and you’re absolutely right about the problem. I created a purchase order for 10 incoming units, then used inventoryAdjustQuantities to add 5 more from an app. When I attempted to reduce the app’s contribution by removing 4 units, the…

Except if the app is un-installed and then re-installed. All records would be lost.

@KyleG-Shopify ? Except if the app is un-installed and then re-installed. All records would be lost.

Hey Marc. Just to clarify as I don’t think I tested this. If you uninstall and reinstall the app you can no longer re-adjust the inventory specific to your app and it will put it through as negative values?

Shopify Incoming Inventory API Issues

GraphQL Admin API Troubleshooting

KyleG-Shopify October 17, 2025, 8:29pm 15

Hey @Ricardo_Silva, I see this was answered here:

Topic		Replies	Views
GraphQL admin API returns negative Inventory Quantity GraphQL Admin API Troubleshooting general-gql-troubles	3	130	October 16, 2025
Critical Missing Feature: No Access to Historical Inventory Adjustments via API GraphQL Admin API Troubleshooting general-gql-troubles	6	459	February 3, 2026
Unexpected inventory value returned by Shopify Admin GraphQL API GraphQL Admin API Troubleshooting general-gql-troubles	1	69	October 16, 2025
inventoryMoveQuantities creating a new "Managed by Apps" inventory state instead of the desired Unavailable inventory state Fulfillment & Inventory inventory-management	4	231	October 16, 2025
Access Inventory Quantity Shopify App Store app-store , dev-stores	1	151	February 4, 2025

Shopify Incoming Inventory API Issues

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