# Tokenize

## Overview

The `tokenize` method stores a payment method securely.

## Request Fields

| Field           | Type          | Required | Description  |
| --------------- | ------------- | -------- | ------------ |
| `paymentMethod` | PaymentMethod | Yes      | Card details |
| `customerId`    | String        | No       | Customer ID  |

## Response Fields

| Field             | Type   | Description |
| ----------------- | ------ | ----------- |
| `paymentMethodId` | String | Token ID    |
| `status`          | String | ACTIVE      |

## Example

```java
Map<String, Object> card = new HashMap<>();
card.put("cardNumber", Map.of("value", "4242424242424242"));
card.put("cardExpMonth", Map.of("value", "12"));
card.put("cardExpYear", Map.of("value", "2027"));

Map<String, Object> request = new HashMap<>();
request.put("paymentMethod", Map.of("card", card));

Map<String, Object> response = paymentMethodClient.tokenize(request);
```