Rails: Stripe accept payment workflow - ruby

Question

I am trying to integrate Stripe using the elements workflow.
Below are the steps that a user does
Select the plan
Enter card details and click 'Subscribe'
When the user clicks "Subscribe", in the backend I
create a subscription and return the clientSecret
call confirmCardPayment by using the clientSecret in step 1
on success of step 2, pass the paymentIntentId to backend to fetch the card details and save it in the user record.
Below is part of the code
$(document).on('click', '#payment-btn', (e) => {
event.preventDefault();
let name = document.querySelector('#name_on_card').value;
$.ajax({
url: '/subscriptions',
method: 'POST',
beforeSend: function(request){
request.setRequestHeader('X-CSRF-Token', $('meta[name="csrf-token"]').attr('content'));
},
data: {
plan_id: plan_id
}
}).then((res) => {
stripe.confirmCardPayment(res.clientSecret, {
payment_method: {
card: card,
billing_details: {
name: name
}
}
}).then((result) => {
if(result.error) {
alert(result.error.message);
} else {
$.ajax({
url: '/user',
method: 'PATCH',
dataType: "json",
beforeSend: function(request){
request.setRequestHeader('X-CSRF-Token', $('meta[name="csrf-token"]').attr('content'));
},
data: {
stripe_customer_payment_method_id: result.paymentIntent.payment_method
}
}).then((result) => {
Turbolinks.visit('/videos?message=success');
})
}
});
});
});
Would this be a good way to execute the payments workflow or is there a more efficient way, may be i am missing something.
Thanks.