Hello
Is it possible for n8n to set up a few workflows for me so that they work properly? Right now, I’m having an issue where I’m getting a lot of errors, which is preventing the workflows from running. However, it would be ideal to have someone who’s familiar with the technical details to help out. Thank you in advance
If you can share what the workflows are supposed to do and the errors you are seeing, I can take a look and point you in the right direction.
I work with n8n daily and have built workflows involving API integrations, WhatsApp automation, CRM syncing, and AI-powered data processing. Most errors come down to authentication issues, incorrect data mapping, or missing error handling, all very fixable.
Feel free to share more details here or DM me if you’d prefer.
Hello
Is it possible for n8n to set up a few workflows for me so that they work properly? Right now, I’m having an issue where I’m getting a lot of errors, which is preventing the workflows from running. However, it would be ideal to have someone who’s familiar with the technical details to help out. Thank you in advance
Hi,
Thanks for your reply!
I need flows that can update the inventory of Shopify products (at a specific time). Right now, it’s telling me there are issues with API token access, but getting a Shopify API key has become very complicated lately and isn’t as easy as it used to be…
That Shopify API error makes total sense. Shopify deprecated the old legacy custom app method as of January 2026, so the old way of generating access tokens from your Shopify admin no longer works for new apps.
The fix is to switch to the OAuth method. Here is what you need to do:
Go to your Shopify admin, click your profile icon, and open the Dev Dashboard
Create a new custom app there
Set the required scopes (for inventory updates you will need write_inventory and read_products at minimum)
Set up the OAuth redirect URL from your n8n credentials page
Use the Client ID and Client Secret in n8n instead of the old access token
Once that is connected, the scheduled inventory update workflow itself is pretty simple. A Cron trigger at your preferred time, pull the inventory data from your source, and push updates to Shopify via the Shopify node.
I set it up that way, but I’m still getting the following message: Problem in node ‘GraphQL‘
Access denied for inventorySetOnHandQuantities field. Required access: `write_inventory` access scope. Also: The user must have a permission to update an inventory.
What exactly do you mean by “Set up the OAuth redirect URL from your n8n credentials
Okayy, that means the connection is working; it is just the permissions that need fixing.
The error is saying your app does not have the write_inventory scope. To fix this:
Go back to your app in the Shopify Dev Dashboard
Go to Configuration and find the API scopes section
Search for and enable write_inventory and read_inventory
Save the changes and reinstall the app (Shopify requires a reinstall after changing scopes)
After reinstalling, your n8n workflow should be able to update inventory without that error.
Regarding the OAuth redirect URL question: this only applies if you are using the OAuth2 credential type in n8n. If you are using the Access Token method and it is already connecting (which it seems like it is since you are getting a permissions error, not an auth error), then you can ignore that part. You are past that step.