Follow this step-by-step guide to grant your aggregator access to your Octopia account via the API:

1. Open the API Credentials Management Page
Go to the following URL:
https://developer.octopia-io.net/api-credentials/#linkAgreeToSeller


2. Select Your Aggregator
Choose your aggregator (magnalister) from the dropdown list.
If it is not listed, click on: My aggregator is not on this list. Then "My aggregator provided me its clientId"



3. Enter Client ID Manually
Enter the Client ID provided by your aggregator.
For magnalister, the Client ID is: magnalister
Accept the Terms & Conditions and click on: Confirm my aggregator clientId


4. Confirm Access
You will now be asked if you want to grant your aggregator access.
Click on: Proceed with seller authentication



5. Log into Your Seller Account
A pop-up window will open.
Enter your Octopia login credentials:


6. Final Access Confirmation
Octopia may detect that you're not using the main account – this is normal.
Confirm by clicking: Yes, continue



7. Access Successfully Granted ✅
The aggregator (magnalister) now has access to your Octopia seller account: