When I connected through direct stripe button and disconnected the api method, stripe started rejecting payments for the below reason:
invalid_request_error
The statement_descriptor parameter is not supported for the payment_method_type card. To continue supporting payment_method_type card, please pass in statement_descriptor_suffix or remove the statement_descriptor parameter altogether. Please see https://support.stripe.com/questions/use-of-the-statement-descriptor-parameter-on-paymentintents-for-card-charges for additional details.