To authorize the Openbridge Amazon Selling Partner API application, your user account must be either;

If you are using a secondary user to authorize Openbridge, please make sure any secondary user account has "Admin" permissions. If permissions are not set correctly, Amazon will reject our authorization requests with "Invalid Access" errors.

Here is Seller Central with a permission error;

Here is Vendor Central with a permission error;
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If your user doesn't have the right permissions set, we won't be able to collect data for you. User permissions must be set properly for Amazon to allow access to the Selling Partner API.

See Troubleshooting Amazon Selling Partner permissions for more examples.

The Amazon interface may vary slightly from one seller to another, including between Seller Central and Vendor Central.

For Seller Central, you will want to ensure the user has Admin where applicable in your Seller Central interface. Here is an example: