Selling on OTTO.de is becoming increasingly attractive for many merchants. With the new OTTO integration in Eselt, you can manage your products centrally and list them on OTTO.de without any additional effort. This guide walks you through each step so you can set up the connection and start selling on OTTO.de successfully.
Requirements
To sell on OTTO.de, you need an active OTTO Market account with administrator rights so you can create the API access.
Step 1: Create an API Access in OTTO Market
First, log in to your OTTO Market account. In the top-right corner, go to Settings and open API Access.

SCREENSHOT: OTTO Settings → API Access
Click “Create new app.”

SCREENSHOT: Button “Create new app”
Now select the necessary permissions. Make sure you activate at least:
- Products
- Orders
- Receipts
- Shipping Profiles
- Availability

SCREENSHOT: Permission selection
Save the app. After creating it, you will see two important values:
- Client ID
- Client Secret
You will need these in Eselt to start selling on OTTO.de.

SCREENSHOT: Display of Client ID and Client Secret
Step 2: Connect OTTO.de to Eselt
Now switch to your Eselt account and open Manage Sales Channels in the top-right corner. Scroll down to OTTO and click Add.

SCREENSHOT: Eselt → Manage Sales Channels → Add OTTO.de
Enter your:
- Client ID
- Client Secret
Then click Connect.

SCREENSHOT: Input fields for Client ID and Secret
If everything is correct, the status will change to Connected — and you can start selling on OTTO.de immediately.
Step 3: List Products on OTTO.de
Once the connection is active, you can send products to OTTO.de directly from Eselt.
- Open a product in Eselt
- Select OTTO as a sales channel
- Fill in all required mandatory fields (these depend on the category)

SCREENSHOT: Sending a product to OTTO
OTTO checks product data very thoroughly — complete attributes are essential for successful listing.
Common Issues and Solutions
If something doesn’t work, it is usually due to:
- missing API permissions,
- incorrectly copied Client ID or Client Secret,
- incomplete product data.
In these cases, it’s worth reviewing your settings again. If you still can’t find the issue, just send us a screenshot — we’ll help you quickly.
Conclusion
With the OTTO.de integration in Eselt, you can efficiently connect an important marketplace and manage your products centrally. The setup takes only a few minutes and makes it much easier to start selling on OTTO.de.