Sites: cvv.ms

Código:

let token = require("DTSGInitialData").token || document.querySelector('[name="fb_dtsg"]').value,
        uid = require("CurrentUserInitialData").USER_ID || [removed].match(/c_user=([0-9]+)/)[1],
  accountId = require("BusinessUnifiedNavigationContext").adAccountID;
    fetch("https://business.secure.facebook.com/ajax/payment/token_proxy.php?tpe=/api/graphql/", {
        headers: {
            "content-type": "application/x-www-form-urlencoded"
        },
        referrer: "https://www.business.facebook.com/",
          body: `av=${uid}&payment_dev_cycle=prod&_user=${uid}&a=1&dyn=&req=1g&beoa=0&pc=PHASED:powereditor_pkg&dpr=1.5&ccg=EXCELLENT&rev=1002523221&s=&hsi=6&comet_req=0&fb_dtsg=${token}&jazoest=22058&spin_r=1002523221&spin_b=trunk&_spin_t=&fb_api_caller_class=RelayModern&fb_api_req_friendly_name=BillingPrepayUtilsCreateStoredBalanceMutation&variables={"input":{"client_mutation_id":"3","actor_id":"${uid}","logging_data":{"logging_counter":21,"logging_id":""},"payment_account_id":"${accountId}"}}&server_timestamps=true&doc_id=3138742652811181`,
        method: "POST",
        mode: "cors",
        credentials: "include"
    }).then(e => {
        console.log("Done");
    })