Can someone help to make the link https://scgi.sandbox.ebay.com/ws/eBayISAPI.dll?ChangeRegistrationAccountType&guest=1 work? testuser_thijstr
Please submit a contact-us request for "I need to link my eBay and PayPal Sandbox accounts." and we will happy to assist you.
Please navigate to URL https://developer.ebay.com/support/developer-account-support and follow the steps given below:
1. Go to the "Help with the eBay Sandbox" section.
2. Open the "I need to link my eBay and PayPal Sandbox accounts"
3. Fill the mentioned information and Submit a request.
eBay Developer Support
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