# MD for: https://www.mercadopago.com.mx/developers/pt/docs/partners-guide/platform-id/checkout-pro.md

\# Transactions via Checkout Pro After receiving your ID related to the \`PLATFORM\_ID\` of your platform, you can add it to the header of the payment request \[/checkout/preferences\](https://www.mercadopago.com.mx/developers/en/reference/online-payments/checkout-pro/preferences/create-preference/post) when creating a payment preference with Mercado Pago. Example: 

* [csharp ](#editor%5F1)
* [curl ](#editor%5F8)
* [go ](#editor%5F7)
* [java ](#editor%5F2)
* [node ](#editor%5F3)
* [php ](#editor%5F4)
* [python ](#editor%5F5)
* [ruby ](#editor%5F6)
csharp java node php python ruby go curl 

```
using MercadoPago.Config;

MercadoPagoConfig.PlatformId = "YOUR_PLATFORM_ID";
// create the payment preference
```

Copiar 

```
import com.mercadopago.MercadoPagoConfig;

MercadoPagoConfig.setPlatformId("your-platform-id");
// create the payment preference
```

Copiar 

```
import MercadoPago, { Payment } from '@src/index';

const client = new MercadoPago({
  accessToken: 'YOUR_ACCESS_TOKEN',
  options: {
  plataformId: 'your-platform-id'
  }
});
// create the payment preference
```

Copiar 

```
use MercadoPago\MercadoPagoConfig;

MercadoPagoConfig::setPlatformId("YOUR_PLATFORM_ID");
// create the payment preference
```

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```
import mercadopago
from mercadopago.config import RequestOptions

request_options = RequestOptions(platform_id="your_platform_id")

# create the payment preference
```

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```
require 'mercadopago'

request_options = Mercadopago::RequestOptions.new(
  platform_id: 'your_platform_id_value'
)
# create the payment preference
```

Copiar 

```
cfg, err := config.New(
  accessToken,
  config.WithPlatformID("your_platform_id_here"),
)
// create the payment preference
```

Copiar 

```
curl --location --request POST 'https://api.mercadolibre.com/checkout/preferences' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer {{ACCESS_TOKEN}}' \
--header 'x-platform-id: {{PLATFORM_ID proporcionado por el equipo de Partners}}' \
// create the payment preference
```

Copiar