> For the complete documentation index, see [llms.txt](https://docs.coda.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coda.co/codapay/archived-tokenization-api-2.0/business-use-cases.md).

# Business Use Cases

In all of the following cases, we encourage you to store Coda information and link them to your own customer identifier: Shopper ID, Payment Method ID, Token ID, and Subscription ID.

## <mark style="color:purple;">Registering New Shopper</mark>

When registering a new shopper and generating a token for the first time, you will need to perform the following actions,

1. [Create a new Shopper](/codapay/archived-tokenization-api-2.0/integration-guide/shopper.md) using your customer ID
2. [Create a Payment Method ](/codapay/archived-tokenization-api-2.0/integration-guide/payment-method.md)depending on the customer's payment choice
3. [Generate a Token](/codapay/archived-tokenization-api-2.0/integration-guide/token.md) for that payment method
4. [Monitor Coda notification for token validation](/codapay/archived-tokenization-api-2.0/webhooks-notification/token-authorization-event-token.status.authorized.md), which partner can config Subscription Notification URL
5. [Charge the customer](/codapay/archived-tokenization-api-2.0/integration-guide/charge.md#create-new-charge-with-shopper-action) using the generated token

## <mark style="color:purple;">Returning Shoppers and Reusing the Same Payment Method</mark>

If you already have a token linked to your customer, then you simply need to initiate the customer charge using the generated token:

1. [Charge the customer](/codapay/archived-tokenization-api-2.0/integration-guide/charge.md#create-new-charge-with-shopper-action) using the generated token

## <mark style="color:purple;">Returning Shopper with Expired Payment Token</mark>

If you’re an existing shopper that needs to re-generate a token, follow these steps:&#x20;

1. [Generate a new Token](/codapay/archived-tokenization-api-2.0/integration-guide/token.md) for your customer’s payment method
2. [Monitor Coda notifications for token validation](/codapay/archived-tokenization-api-2.0/webhooks-notification/token-authorization-event-token.status.authorized.md)
3. [Charge the customer](/codapay/archived-tokenization-api-2.0/integration-guide/charge.md#create-new-charge-with-shopper-action) using the newly generated token

## <mark style="color:purple;">Generating a Token for New Payment Method for Existing Customers</mark>

If you’re an existing shopper that needs to generate a new token for an alternative payment method, follow these steps:

1. [Create a Payment Method](/codapay/archived-tokenization-api-2.0/integration-guide/payment-method.md)  according to the shopper’s payment choice (ex: Go-Pay) using existing Shopper ID linked to your customer ID
2. [Generate a Token](/codapay/archived-tokenization-api-2.0/integration-guide/token.md) for the selected payment method
3. [Monitor Coda notification for token validation](/codapay/archived-tokenization-api-2.0/webhooks-notification/token-authorization-event-token.status.authorized.md)
4. [Charge the customer](/codapay/archived-tokenization-api-2.0/integration-guide/charge.md#create-new-charge-with-shopper-action) using the generated token

## <mark style="color:purple;">Initiating a Subscription with Coda Scheduler</mark>

To set up a recurring charge for your shopper using Coda scheduler, follow the steps:

1. Create a new subscription plan (This step is required only once per plan)
2. [Create a new Shopper](/codapay/archived-tokenization-api-2.0/integration-guide/shopper.md) using your shopper ID
3. [Create a Payment Method ](/codapay/archived-tokenization-api-2.0/integration-guide/payment-method.md) according to the shopper’s payment choice (ex: Go-Pay)
4. [Generate a Token](/codapay/archived-tokenization-api-2.0/integration-guide/token.md) for the selected payment method
5. [Monitor Coda Notification for token validation](/codapay/archived-tokenization-api-2.0/webhooks-notification/token-authorization-event-token.status.authorized.md)
6. Launch the subscription by utilizing the subscription plan and the generated token

## <mark style="color:purple;">Cancelling a Subscription</mark>

To cancel a shopper’s subscription, follow these steps:

1. [Cancel an existing subscription](/codapay/archived-tokenization-api-2.0/subscription-coming-soon/cancel-subscription.md) using the ID generated


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