const client = new MercadoPagoConfig({ accessToken: 'YOUR_ACCESS_TOKEN' });
const customer = new Customer(client);

const body = {
  email: "my.user@example.com"
};

customer.create({ body: body }).then((result) => {
  const customerCard = new CustomerCard(client);

  const body = {
    token : result.token,
  };

  customerCard.create({ customerId: 'customer_id', body })
     .then((result) => console.log(result));
})

        

          
MercadoPagoConfig.setAccessToken("ENV_ACCESS_TOKEN");

CustomerClient customerClient = new CustomerClient();
CustomerCardClient customerCardClient = new CustomerCardClient();

CustomerRequest customerRequest = CustomerRequest.builder()
   .email("john@test.com")
   .build();
Customer customer = customerClient.create(customerRequest);

CustomerCardIssuer issuer = CustomerCardIssuer.builder()
   .id("3245612")
   .build();

CustomerCardCreateRequest cardCreateRequest = CustomerCardCreateRequest.builder()
   .token("9b2d63e00d66a8c721607214cedaecda")
   .issuer(issuer)
   .paymentMethodId("debit_card")
   .build();

customerCardClient.create(customer.getId(), cardCreateRequest);


        

          
require 'mercadopago'

sdk = Mercadopago::SDK.new('ENV_ACCESS_TOKEN')

customer_request = {
  email: 'john@yourdomain.com'
}
customer_response = sdk.customer.create(customer_request)
customer = customer_response[:response]

card_request = {
  token: '9b2d63e00d66a8c721607214cedaecda',
  payment_method_id: 'visa'
}
card_response = sdk.card.create(customer['id'], card_request)
card = card_response[:response]


        

          
MercadoPagoConfig.AccessToken = "ENV_ACCESS_TOKEN";

var customerRequest = new CustomerRequest
{
    Email = "test_payer_12345@testuser.com",
};
var customerClient = new CustomerClient();
Customer customer = await customerClient.CreateAsync(customerRequest);

var cardRequest = new CustomerCardCreateRequest
{
    Token = "9b2d63e00d66a8c721607214cedaecda"
};
CustomerCard card = await customerClient.CreateCardAsync(customer.Id, cardRequest);


        

          
import mercadopago
sdk = mercadopago.SDK("ENV_ACCESS_TOKEN")

customer_data = {
  "email": "test_payer_12345@testuser.com"
}
customer_response = sdk.customer().create(customer_data)
customer = customer_response["response"]

card_data = {
  "token": "9b2d63e00d66a8c721607214cedaecda",
  "payment_method_id": "visa"
}
card_response = sdk.card().create(customer["id"], card_data)
card = card_response["response"]


        

          
package main

import (
	"context"
	"fmt"

	"github.com/mercadopago/sdk-go/pkg/config"
	"github.com/mercadopago/sdk-go/pkg/customercard"
)

func main() {
	accessToken := "{{ACCESS_TOKEN}}"

	cfg, err := config.New(accessToken)
	if err != nil {
		fmt.Println(err)
		return
	}

	customerClient := customer.NewClient(cfg)
	customerCardClient := customercard.NewClient(cfg)

	customerRequest := customer.Request{Email: "{{EMAIL}}"}

	customerResource, err := customerClient.Create(context.Background(), customerRequest)
	if err != nil {
		fmt.Println(err)
		return
	}

	cardRequest := customercard.Request{Token: "{{CARD_TOKEN}}"}

	cardResource, err := customerCardClient.Create(context.Background(), customerResource.ID, cardRequest)
	if err != nil {
		fmt.Println(err)
		return
	}

	fmt.Println(cardResource)
}

        

          
curl -X POST \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer ENV_ACCESS_TOKEN' \
  'https://api.mercadopago.com/v1/customers/CUSTOMER_ID/cards' \
  -d '{"token": "9b2d63e00d66a8c721607214cedaecda", "payment_method_id": "visa"}'