Your users may see a “Connectivity not supported” error message in Link. This occurs when an institution is supported by Plaid but is not supported by one or more products in the product set Link was initialized with.
For example if you are creating your
link_token using the product set
['auth', 'transactions'] and a user selects the institution American Express, they will receive a “Connectivity not supported” because American Express does not support the Auth product.
In order to resolve this error you will need to identify which products the institution you require does not support and remove this product from your product set. To find out the product set any institution supports you can use the following resources: