Douglas Integration Guide
Integrate your Douglas Marketplace account with Helm to automate order flow, maintain real-time stock accuracy, and streamline fulfilment for beauty and wellness products
What is Douglas Marketplace
Douglas is one of Europe’s leading beauty retailers, offering cosmetics, skincare, and wellness products both online and in-store. Their marketplace allows approved third-party sellers to list directly on douglas.de and its regional domains
By connecting Douglas to Helm, you can centralise inventory and order management, reduce manual processes, and ensure efficient fulfilment across multiple channels
PROS ✅ | CONS ❌ |
Partner with a trusted and well-established European beauty retailer | Requires a valid API URL and API Key issued by Douglas |
Real-time synchronisation of inventory and order data | Marketplace access may involve category approval and regulatory checks |
Central management via Helm alongside other channels | Behaviour and performance may vary across regions |
Step-by-Step Setup
From your Helm dashboard:
Navigate to Settings > My Store
Click Add New Sales Channel
Select Douglas from the list of available integrations
Click Install
Enter the required details:
FIELD | DESCRIPTION |
Sales Channel Name | Enter a name such as Douglas Marketplace Germany |
Sales Channel Logo | Upload the Douglas logo or your own custom icon |
API URL | Use the full API endpoint provided by Douglas (e.g. |
API Key | Paste the API key provided by your Douglas seller account |
Click Continue
Interaction Settings
Configure how Helm interacts with your Douglas store:
INTERACTION SETTINGS | DESCRIPTION |
Sync Inventory | Automatically import product listings from Douglas |
Sync Stock Levels | Keep stock levels up to date between Helm and Douglas |
Use Channel Names | Display Douglas product names on orders in Helm |
Max Stock Levels | Cap the quantity of stock shown on Douglas |
Stock Buffer | Hold back reserved units to reduce overselling |
Auto Merge Orders | Automatically combine orders from the same customer or location |
Order Importing Type | Set the date and time for importing new orders |
Final Steps
Click Save once all settings are configured
Set the channel to Is Active at the top of the screen
Your Douglas integration is now live - and you’re ready to Take the Helm
Common Issues
ISSUE | SOLUTION |
Invalid API URL | Ensure the full URL is entered, including HTTPS and version path if applicable |
Invalid API Key | Confirm the API key is correct and active in your seller portal |
Orders Not Importing | Verify the channel is active and order filters are set correctly |
Stock Not Syncing | Check that stock sync is enabled in interaction settings |
If you experience issues and need assistance, contact Helm Support
