const renderPaymentBrick = async (bricksBuilder) => {
 const settings = {
   initialization: {
     /*
      "amount" is the total amount to be paid by all means of payment with the exception of the Mercado Pago Account and Installment without a credit card, which have their processing value determined in the backend through the "preferenceId"
     */
     amount: 100,
     preferenceId: "<PREFERENCE_ID>",
   },
   customization: {
     paymentMethods: {
       ticket: "all",
       creditCard: "all",
       debitCard: "all",
       mercadoPago: "all",
     },
   },
   callbacks: {
     onReady: () => {
       /*
        Callback called when Brick is ready.
        Here you can hide loadings from your site, for example.
       */
     },
     onSubmit: ({ selectedPaymentMethod, formData }) => {
       // callback called when clicking the submit data button
       return new Promise((resolve, reject) => {
         fetch("/process_payment", {
           method: "POST",
           headers: {
             "Content-Type": "application/json",
           },
           body: JSON.stringify(formData),
         })
           .then((response) => response.json())
           .then((response) => {
             // receive payment result
             resolve();
           })
           .catch((error) => {
             // handle error response when trying to create payment
             reject();
           });
       });
     },
     onError: (error) => {
       // callback called for all Brick error cases
       console.error(error);
     },
   },
 };
 window.paymentBrickController = await bricksBuilder.create(
   "payment",
   "paymentBrick_container",
   settings
 );
};
renderPaymentBrick(bricksBuilder);

        

          
const initialization = {
 amount: 100,
 preferenceId: "<PREFERENCE_ID>",
};
const customization = {
 paymentMethods: {
   ticket: "all",
   creditCard: "all",
   debitCard: "all",
   mercadoPago: "all",
 },
};
const onSubmit = async (
 { selectedPaymentMethod, formData }
) => {
 // callback called when clicking the submit data button
 return new Promise((resolve, reject) => {
   fetch("/process_payment", {
     method: "POST",
     headers: {
       "Content-Type": "application/json",
     },
     body: JSON.stringify(formData),
   })
     .then((response) => response.json())
     .then((response) => {
       // receive payment result
       resolve();
     })
     .catch((error) => {
       // handle error response when trying to create payment
       reject();
     });
 });
};
const onError = async (error) => {
 // callback called for all Brick error cases
 console.log(error);
};
const onReady = async () => {
 /*
   Callback called when Brick is ready.
   Here you can hide loadings from your site, for example.
 */
};

        

          
<div id="paymentBrick_container"></div>

        

          
import { Payment } from '@mercadopago/sdk-react';

<Payment
   initialization={initialization}
   customization={customization}
   onSubmit={onSubmit}
   onReady={onReady}
   onError={onError}
/>

        

          
<?php
// Mercado Pago SDK
require __DIR__ .  '/vendor/autoload.php';
// Add Your credentials
MercadoPago\SDK::setAccessToken('PROD_ACCESS_TOKEN');
?>

        

          
// Mercado Pago SDK
const mercadopago = require ('mercadopago');
// Add Your credentials
mercadopago.configure({
  access_token: 'PROD_ACCESS_TOKEN'
});

        

          
// Mercado Pago SDK
import com.mercadopago.MercadoPagoConfig;
// Add Your credentials
MercadoPagoConfig.setAccessToken("PROD_ACCESS_TOKEN");

        

          
# Mercado Pago SDK
require 'mercadopago'
# Add Your credentials
sdk = Mercadopago::SDK.new('PROD_ACCESS_TOKEN')

        

          
// Mercado Pago SDK
 using MercadoPago.Config;
 // Add Your credentials
MercadoPagoConfig.AccessToken = "PROD_ACCESS_TOKEN";

        

          
# Mercado Pago SDK
import mercadopago
# Add Your credentials
sdk = mercadopago.SDK("PROD_ACCESS_TOKEN")

        

          
<?php
$client = new PreferenceClient();
$preference = $client->create([
  "items"=> array(
    array(
      "title" => "My product",
      "quantity" => 1,
      "unit_price" => 25
    )
  )
]);
?>

        

          
// Create a preference object
let preference = {
  // o "purpose": "wallet_purchase" only allows logged payments
  // to allow guest payments you can omit this property
  "purpose": "wallet_purchase",
  "items": [
    {
      "id": "item-ID-1234",
      "title": "Meu produto",
      "quantity": 1,
      "unit_price": 75.76
    }
  ]
};

mercadopago.preferences.create(preference)
  .then(function (response) {
    // This value is the preferenceId that will be sent to the Brick at startup
    const preferenceId = response.body.id;
  }).catch(function (error) {
    console.log(error);
  });

        

          
// Create a preference object
PreferenceClient client = new PreferenceClient();

// Create an item in the preference
List<PreferenceItemRequest> items = new ArrayList<>();
PreferenceItemRequest item =
   PreferenceItemRequest.builder()
       .title("Meu produto")
       .quantity(1)
       .unitPrice(new BigDecimal("100"))
       .build();
items.add(item);

PreferenceRequest request = PreferenceRequest.builder()
  // o .purpose('wallet_purchase') only allows logged payments
  // to allow guest payments you can omit this line
  .purpose('wallet_purchase')
  .items(items).build();

client.create(request);

        

          
# Create a preference object
preference_data = {
  # the purpose: 'wallet_purchase', allows only logged payments
  # to allow guest payments you can omit this property
  purpose: 'wallet_purchase',
  items: [
    {
      title: 'Meu produto',
      unit_price: 75.56,
      quantity: 1
    }
  ]
}
preference_response = sdk.preference.create(preference_data)
preference = preference_response[:response]

# This value is the preferenceId you will use in the HTML on Brick startup
@preference_id = preference['id']

        

          
// Create the preference request object
var request = new PreferenceRequest
{
  // the Purpose = 'wallet_purchase', allows only logged payments.
   // to allow guest payments you can omit this property
    Purpose = 'wallet_purchase',
    Items = new List<PreferenceItemRequest>
    {
        new PreferenceItemRequest
        {
            Title = "Meu produto",
            Quantity = 1,
            CurrencyId = "BRL",
            UnitPrice = 75.56m,
        },
    },
};

// Create the preference using the client
var client = new PreferenceClient();
Preference preference = await client.CreateAsync(request);

        

          
# Create an item in the preference
preference_data = {
  # the "purpose": "wallet_purchase", allows only logged in payments
  # to allow guest payments, you can omit this property
    "purpose": "wallet_purchase",
    "items": [
        {
            "title": "My Item",
            "quantity": 1,
            "unit_price": 75.76
        }
    ]
}

preference_response = sdk.preference().create(preference_data)
preference = preference_response["response"]

        

          
curl -X POST \
'https://api.mercadopago.com/checkout/preferences' \
-H 'Content-Type: application/json' \
-H 'cache-control: no-cache' \
-H 'Authorization: Bearer **PROD_ACCESS_TOKEN**' \
-d '{
  "purpose": "wallet_purchase",
  "items": [
      {
          "title": "My product",
          "quantity": 1,
          "unit_price": 75.76
      }
  ]
}'