Hello @Seller_3xUMJPAZG92WB,

Thank you for reaching out. Please try the following link which should take you to your merchant toke: https://sellercentral.amazon.com/sw/AccountInfo/MerchantToken/step/MerchantToken

If you still are not able to access, please open a seller support case.

Please let me know if you have any additional questions or concerns.

Cheers,

Micah