Big Commerce Integration Guide
Integrate your BigCommerce store with Helm to seamlessly sync orders, manage stock, and automate your fulfilment process


What is BigCommerce
BigCommerce is a cloud-based e-commerce platform that provides businesses with the tools and infrastructure to create and manage their online stores. It offers many features, including customisable templates, payment processing, shipping management, inventory tracking, and marketing tools. BigCommerce is designed to be flexible and scalable, allowing businesses of all sizes to create and manage online stores tailored to their specific needs.
The platform also integrates with various third-party applications and services, making it easy for businesses to add additional functionality to their online stores. With BigCommerce, companies can create a professional-looking online store and sell products to customers worldwide, all while enjoying the benefits of a robust e-commerce platform.With Helm’s integration, you can connect your BigCommerce store to centralise order management, streamline fulfilment workflows, and maintain accurate inventory across platforms

Key Benefits
Sync orders automatically from BigCommerce into Helm
Control stock levels and updates across systems
Handle complex fulfilment logic with multiple settings
Support custom logic such as buffer stock, personalised orders, and What3Words
Easily manage order merging and filtering by status

How to get your credentials
Log in to your BigCommerce account and find all your credentials or speak to your account manager:
https://login.bigcommerce.com/login

Collect all the necessary credentials and save them for integrating to Helm

Click on the image to maximise

Step-by-Step Setup in Helm
From your Helm dashboard,
Go to Settings > My Store
Click Add New Sales Channel
Select the BigCommerce channel from the list
Enter BigCommerce and click Install
Provide a label such as My Store BigCommerce
Upload a logo for your store (optional)
Complete the required general setup:
FIELD | DESCRIPTION |
Sales Channel Name | Enter a name, e.g. BigCommerce |
Sales Channel Logo | Upload a logo (optional) |
Fill in the following required credentials from your BigCommerce account:
FIELD | DESCRIPTION |
Client ID | Provided by BigCommerce Portal |
Client Secret | Secret key for secure integration |
Store Hash | Unique identifier for your BigCommerce store |
Access Token | Access token for API requests |
Configure the optional settings to match your operational preferences:
SETTING | DESCRIPTION |
Get Unpaid Orders | Include unpaid orders in the sync |
Use What3Words | Import What3Words location data if used |
Auto Calculate Tax | Let Helm calculate tax based on order data |
Use Partial Fulfilment | Enable support for fulfilling orders in parts |
Use Individual Stock Update | Send stock updates per item rather than bulk |
Allow Multiple Fulfilment Requests | Supports split shipments and multiple dispatches |
Get Personalisation Data in Orders | Sync custom fields like engraving or messages |
Tax Rate | Set a flat tax rate if required (e.g. 20) |
Country Taxes | Add specific country tax overrides if needed |
Configure the Interaction Settings of how orders and stock behave between BigCommerce and Helm:
SETTING | DESCRIPTION |
Sync Inventory | Automatically download new products from BigCommerce |
Sync Stock Levels | Keep inventory levels synchronised between platforms |
Use Channel Names | Display product name from BigCommerce on Helm orders |
Max Stock Levels | Cap the quantity sent to BigCommerce (e.g. for eBay or sales limits) |
Stock Buffer | Reserve a quantity to avoid overselling (e.g. set to 2 to always hold back 2 units) |
Auto Merge Orders | Combine multiple orders from the same customer or store into one fulfilment |
Order Statuses to Download | Only import orders with selected statuses (e.g. Awaiting Fulfilment, Paid) |
Order Statuses | Define which statuses are included |
Order Importing Type | Specify from which point in time new orders should begin importing |
Click Save
Once saved, your BigCommerce channel is ready and syncing via Helm
OR
Testing and Activation
After entering all settings, click Save
Use Connect to authenticate with BigCommerce
Or copy the Connect Link and send it to the person responsible for integration
Once connected, orders and stock will begin syncing automatically according to the configured rules
You are now ready to Take the Helm

Common Issues
Issue | Solution |
Invalid Credentials | Double-check the Client ID, Secret, Store Hash, and Access Token |
Token or Scope Errors | Ensure all necessary API scopes are granted during app registration |
Missing Orders | Verify order statuses and import dates are correctly configured |
Stock not syncing | Check if Sync Stock Levels and Inventory settings are enabled |

If you experience issues and need assistance, contact Helm Support
