Magento 2 Stripe SCA (3d secure) rest api integration

I’m creating a pwa based on magento 2 rest api.
I have installed stripe/stripe-payments official module to integrate stripe payments.
Everything works fine without SCA payments.

i have tried to replicate the same flow of magento’s frontend looking at the request done during the payments.

this is what i do:

1)

POST /guest-carts/:cartId/payment-information
RESPONSE {"message":"Authentication Required: pi_**_secret_**"}

CALL stripe.handleCardAction("pi_**_secret_**");

with that the stripe’s test modal appear.

3)

CLICK COMPLETE BUTTON ON MODAL

REPOST /guest-carts/:cartId/payment-information with same data of 1. (magento frontend make the same request)
RESPONSE {"message":"The provided PaymentMethod is already attached to another object. You cannot reuse PaymentMethods without attaching them to a Customer object first."}

on stripe dashboard i can see that this flow create two payments but with magento’s frontend only one.

what is missing?

Help please 🙂