B&Q Marketplace Integration Setup Guide
This guide explains how to connect your B&Q Marketplace account to Helm 3.6, enabling automatic synchronisation of orders and inventory, and supporting efficient management of your B&Q sales channel.
Last updated 5 months ago

What is B&Q Marketplace
B&Q Marketplace is a leading UK-based online home improvement platform, allowing independent brands and suppliers to reach a broad audience of customers while maintaining their unique brand identity.
By integrating B&Q Marketplace with Helm, you can automate order imports, maintain synchronised inventory in real time, and streamline multichannel fulfilment from a single, centralised interface.
PROS ✅ | CONS ❌ |
Direct access to one of the UK’s largest home improvement audiences | Requires valid API credentials issued by B&Q Marketplace |
Real-time synchronisation of orders and stock | Approval processes and compliance requirements may differ between sellers and categories |
Supports brand autonomy and supplier customisation | Marketplace onboarding may be subject to API rate limits and seller verification stages |

Step-by-Step Setup
Step 1: Access the B&Q Integration
Log in to your Helm account.
Navigate to:
Settings → Sales Channels
Click “Add New Channel“ then search and select B&Q.

Step 2: Enter Your Credentials
Populate the following fields:
Active – Enable the channel by toggling the Is Active switch.
Name – Provide a distinctive reference for your channel (e.g. B&Q Marketplace UK).
API URL – Input the full API endpoint URL (e.g. https://api.marketplace.diy.com).
API Key – Paste the API key issued by B&Q via your supplier account.
Selected Channel – Add the B&Q channel you wish to connect.
Ensure all credentials are transcribed precisely as provided.
Optional configuration tabs include:
Adjust these parameters in accordance with your business protocols.
Credentials – Choose any additional configuration settings to tailor the integration to your operational requirements.
Settings – Select the warehouse from which goods will be despatched for this integration and select any additional settings you may require.
Stock Control – Enable Auto Sync Stock to maintain inventory parity.
Brand – Configure your Company Information for this sales channel; by default, details from General Settings will be used.
Commercial Invoice – Set up Commercial Invoice Information specific to this channel, or retain those from General Settings.
Despatch Emails – Decide whether Helm should transmit order despatch emails with carrier tracking information; configure as required.
Feedback Emails – Elect to send order feedback emails; configure accordingly.
🔐 Credentials should correspond with those used to access your B&Q Marketplace supplier dashboard.

Step 3: Save and Activate
Click Submit to preserve your credentials.
A confirmation message will indicate successful connection of the B&Q channel.

Completion
Your B&Q store is now linked to Helm 3.6. Orders and inventory data will commence synchronisation automatically, ensuring your operations remain up-to-date and streamlined across platforms.
