Best Secret Integration Guide
Integrate your BestSecret sales channel with Helm to automate order processing, keep inventory synchronised, and simplify fulfilment across one of Europe’s most exclusive fashion marketplaces
What is Best Secret
Best Secret is a members-only fashion platform that offers premium and designer products at discounted prices. It caters to a select customer base across Europe with limited-access sales and strict brand presentation standards
Connecting Best Secret to Helm allows you to manage orders, synchronise stock levels, and maintain operational efficiency while selling in a curated, high-value retail environment
PROS ✅ | CONS ❌ |
Access to a high-end, invite-only customer base | Requires a valid API URL and API Key issued through Best Secret's onboarding team |
Real-time order and stock sync across regions | Product listings must adhere to strict content, image, and brand requirements |
Suitable for premium fashion brands and multi-warehouse logistics | Integration approval may include vetting or sales restrictions by category |
Step-by-Step Setup
From your Helm dashboard:
Navigate to Settings > My Store
Click Add New Sales Channel
Select BestSecret from the list of available integrations
Click Install
Enter the required details:
FIELD | DESCRIPTION |
Sales Channel Name | Example: Best Secret Germany or Best Secret EU |
Sales Channel Logo | Upload the Best Secret logo or your own branded icon |
API URL | Use the full endpoint provided by Best Secret (e.g. |
API Key | Paste the API key issued by Best Secret via the seller portal or onboarding team |
Click Continue
Interaction Settings
Configure how Helm interacts with Best Secret:
INTERACTION SETTINGS | DESCRIPTION |
Sync Inventory | Import product listings automatically from Helm |
Sync Stock Levels | Maintain accurate stock availability across multiple fulfilment centres |
Use Channel Names | Show Best Secret product titles on orders for clearer identification |
Max Stock Levels | Limit the amount of inventory exposed to the marketplace |
Stock Buffer | Reserve a buffer to prevent overselling |
Auto Merge Orders | Combine multiple orders from the same customer or store |
Order Importing Type | Define the date/time to begin importing orders from the channel |
Final Steps
Click Save once all settings are configured
Set the channel to Is Active at the top of the screen
Your Best Secret integration is now live - and you’re ready to Take the Helm
Common Issues
ISSUE | SOLUTION |
Invalid API URL | Ensure the endpoint includes HTTPS and the correct version path |
Invalid API Key | Confirm that the key is active and matches what was issued by Best Secret |
Orders Not Importing | Make sure the channel is active and the correct order statuses are selected |
Stock Not Syncing | Verify that stock sync is enabled and SKU mappings are accurate in Helm |
If you experience issues and need assistance, contact Helm Support
