> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dodopayments.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Adaptador SvelteKit

> Aprenda como integrar os pagamentos Dodo com seu projeto SvelteKit App Router usando nosso Adaptador SvelteKit. Cobre checkout, portal do cliente, webhooks e configuração de ambiente seguro.

<CardGroup cols={2}>
  <Card title="Checkout Handler" icon="cart-shopping" href="#checkout-route-handler">
    Integrar o checkout do Dodo Payments no seu app SvelteKit.
  </Card>

  <Card title="Customer Portal" icon="user" href="#customer-portal-route-handler">
    Permitir que clientes gerenciem assinaturas e detalhes.
  </Card>

  <Card title="Webhooks" icon="bell" href="#webhook-route-handler">
    Receber e processar eventos webhook do Dodo Payments.
  </Card>
</CardGroup>

## Instalação

<Steps>
  <Step title="Install the package">
    Execute o seguinte comando na raiz do seu projeto:

    ```bash theme={null}
    npm install @dodopayments/sveltekit
    ```
  </Step>

  <Step title="Set up environment variables">
    Crie um arquivo <code>.env</code> na raiz do seu projeto:

    ```env expandable theme={null}
    DODO_PAYMENTS_API_KEY=your-api-key
    DODO_PAYMENTS_WEBHOOK_KEY=your-webhook-secret
    DODO_PAYMENTS_ENVIRONMENT="test_mode" or "live_mode"
    DODO_PAYMENTS_RETURN_URL=https://yourdomain.com/checkout/success
    ```

    <Warning>
      Nunca envie seu arquivo <code>.env</code> ou segredos para o controle de versão.
    </Warning>
  </Step>
</Steps>

## Exemplos de Manipuladores de Rota

<Info>
  Todos os exemplos presumem que você está usando o SvelteKit App Router.
</Info>

<Tabs>
  <Tab title="Checkout Handler">
    <Info>
      Use esse manipulador para integrar o checkout do Dodo Payments ao seu app SvelteKit. Suporta fluxos de pagamento estático (GET), dinâmico (POST) e de sessão (POST).
    </Info>

    <CodeGroup>
      ```typescript SvelteKit Route Handler expandable theme={null}
      // src/routes/api/checkout/+server.ts
      import { Checkout } from "@dodopayments/sveltekit";
      import { DODO_PAYMENTS_API_KEY, DODO_PAYMENTS_RETURN_URL, DODO_PAYMENTS_ENVIRONMENT } from '$env/static/private';

      const checkoutGetHandler = Checkout({
          bearerToken: DODO_PAYMENTS_API_KEY,
          returnUrl: DODO_PAYMENTS_RETURN_URL,
          environment: DODO_PAYMENTS_ENVIRONMENT,
          type: "static",
      });

      const checkoutPostHandler = Checkout({
          bearerToken: DODO_PAYMENTS_API_KEY,
          returnUrl: DODO_PAYMENTS_RETURN_URL,
          environment: DODO_PAYMENTS_ENVIRONMENT,
          type: "session", // or "dynamic" for dynamic link
      });

      export const GET = checkoutGetHandler.GET;
      export const POST = checkoutPostHandler.POST;
      ```
    </CodeGroup>

    <CodeGroup>
      ```curl Static Checkout Curl example expandable theme={null}
      curl --request GET \
      --url 'https://example.com/api/checkout?productId=pdt_fqJhl7pxKWiLhwQR042rh' \
      --header 'User-Agent: insomnia/11.2.0' \
      --cookie mode=test
      ```
    </CodeGroup>

    <CodeGroup>
      ```curl Dynamic Checkout Curl example expandable theme={null}
      curl --request POST \
      --url https://example.com/api/checkout \
      --header 'Content-Type: application/json' \
      --header 'User-Agent: insomnia/11.2.0' \
      --cookie mode=test \
      --data '{ 
      "billing": {
        "city": "Texas",
        "country": "US",
        "state": "Texas",
        "street": "56, hhh",
        "zipcode": "560000"
      },
      "customer": {
        "email": "test@example.com",
        	"name": "test"
      },
      "metadata": {},
      "payment_link": true,
        "product_id": "pdt_QMDuvLkbVzCRWRQjLNcs",
        "quantity": 1,
        "billing_currency": "USD",
        "discount_codes": ["IKHZ23M9GQ"],
        "return_url": "https://example.com",
        "trial_period_days": 10
      }'
      ```
    </CodeGroup>

    <CodeGroup>
      ```curl Checkout Session Curl example expandable theme={null}
      curl --request POST \
      --url https://example.com/api/checkout \
      --header 'Content-Type: application/json' \
      --header 'User-Agent: insomnia/11.2.0' \
      --cookie mode=test \
      --data '{ 
      "product_cart": [
        {
          "product_id": "pdt_QMDuvLkbVzCRWRQjLNcs",
          "quantity": 1
        }
      ],
      "customer": {
        "email": "test@example.com",
        "name": "test"
      },
      "return_url": "https://example.com/success"
      }'
      ```
    </CodeGroup>
  </Tab>

  <Tab title="Customer Portal Handler">
    <Info>
      Use esse manipulador para permitir que os clientes gerenciem suas assinaturas e dados por meio do portal do cliente Dodo Payments.
    </Info>

    <CodeGroup>
      ```typescript SvelteKit Route Handler expandable theme={null}
      // src/routes/api/checkout/+server.ts
      import { CustomerPortal } from "@dodopayments/sveltekit";
      import { DODO_PAYMENTS_API_KEY, DODO_PAYMENTS_RETURN_URL, DODO_PAYMENTS_ENVIRONMENT } from '$env/static/private';

      const customerPortalHandler = CustomerPortal({
          bearerToken: DODO_PAYMENTS_API_KEY,
          environment: DODO_PAYMENTS_ENVIRONMENT,
      });

      export const GET = customerPortalHandler.GET;
      ```
    </CodeGroup>
  </Tab>

  <Tab title="Webhook Handler">
    <Info>
      Use esse manipulador para receber e processar eventos webhook do Dodo Payments com segurança no seu app SvelteKit.
    </Info>

    <CodeGroup>
      ```typescript SvelteKit Route Handler expandable theme={null}
      // src/routes/api/webhook/+server.ts
      import { Webhooks } from "@dodopayments/sveltekit";
      import { DODO_PAYMENTS_WEBHOOK_KEY } from '$env/static/private';

      export const POST = Webhooks({
          webhookKey: DODO_PAYMENTS_WEBHOOK_KEY,
          onPayload: async (payload) => {
              console.log(payload);
          }
      });
      ```
    </CodeGroup>
  </Tab>
</Tabs>

## Manipulador de Rota de Checkout

<Info>
  A Dodo Payments oferece três tipos de fluxos de pagamento para integrar pagamentos ao seu site, e este adaptador suporta todos os tipos.
</Info>

* **Links de Pagamento Estáticos:** URLs compartilháveis instantaneamente para coleta de pagamento rápida e sem código.
* **Links de Pagamento Dinâmicos:** Gere programaticamente links de pagamento com detalhes personalizados usando a API ou SDKs.
* **Sessões de Checkout:** Crie experiências de checkout seguras e personalizáveis com carrinhos de produtos pré-configurados e detalhes do cliente.

<AccordionGroup>
  <Accordion title="Static Checkout (GET)">
    ### Parâmetros de Consulta Compatíveis

    <ParamField query="productId" type="string" required>
      Identificador do produto (ex.: <code>?productId=pdt\_nZuwz45WAs64n3l07zpQR</code>).
    </ParamField>

    <ParamField query="quantity" type="integer">
      Quantidade do produto.
    </ParamField>

    <ParamField query="fullName" type="string">
      Nome completo do cliente.
    </ParamField>

    <ParamField query="firstName" type="string">
      Primeiro nome do cliente.
    </ParamField>

    <ParamField query="lastName" type="string">
      Último nome do cliente.
    </ParamField>

    <ParamField query="email" type="string">
      Endereço de e-mail do cliente.
    </ParamField>

    <ParamField query="country" type="string">
      País do cliente.
    </ParamField>

    <ParamField query="addressLine" type="string">
      Linha de endereço do cliente.
    </ParamField>

    <ParamField query="city" type="string">
      Cidade do cliente.
    </ParamField>

    <ParamField query="state" type="string">
      Estado/província do cliente.
    </ParamField>

    <ParamField query="zipCode" type="string">
      CEP/código postal do cliente.
    </ParamField>

    <ParamField query="disableFullName" type="boolean">
      Desabilitar o campo de nome completo.
    </ParamField>

    <ParamField query="disableFirstName" type="boolean">
      Desabilitar o campo de primeiro nome.
    </ParamField>

    <ParamField query="disableLastName" type="boolean">
      Desabilitar o campo de último nome.
    </ParamField>

    <ParamField query="disableEmail" type="boolean">
      Desabilitar o campo de e-mail.
    </ParamField>

    <ParamField query="disableCountry" type="boolean">
      Desabilitar o campo de país.
    </ParamField>

    <ParamField query="disableAddressLine" type="boolean">
      Desabilitar o campo de linha de endereço.
    </ParamField>

    <ParamField query="disableCity" type="boolean">
      Desabilitar o campo de cidade.
    </ParamField>

    <ParamField query="disableState" type="boolean">
      Desabilitar o campo de estado.
    </ParamField>

    <ParamField query="disableZipCode" type="boolean">
      Desabilitar o campo de CEP.
    </ParamField>

    <ParamField query="paymentCurrency" type="string">
      Especifique a moeda do pagamento (ex.: <code>USD</code>).
    </ParamField>

    <ParamField query="showCurrencySelector" type="boolean">
      Exibir seletor de moeda.
    </ParamField>

    <ParamField query="paymentAmount" type="integer">
      Especifique o valor do pagamento (ex.: <code>1000</code> para \$10,00).
    </ParamField>

    <ParamField query="showDiscounts" type="boolean">
      Exibir campos de desconto.
    </ParamField>

    <ParamField query="metadata_*" type="string">
      Qualquer parâmetro de consulta que começar com <code>metadata\_</code> será enviado como metadados.
    </ParamField>

    <Warning>
      Se o <code>productId</code> estiver ausente, o manipulador retorna uma resposta 400. Parâmetros de consulta inválidos também resultam em resposta 400.
    </Warning>

    ### Formato de Resposta

    O checkout estático retorna uma resposta JSON com a URL de checkout:

    ```json theme={null}
    {
      "checkout_url": "https://checkout.dodopayments.com/"
    }
    ```
  </Accordion>

  <Accordion title="Dynamic Checkout (POST)">
    * Envie os parâmetros como um corpo JSON em uma requisição POST.
    * Suporta pagamentos únicos e recorrentes.
    * Para uma lista completa dos campos suportados no corpo POST, consulte:
      * [Request body for a One Time Payment Product](https://docs.dodopayments.com/api-reference/payments/post-payments)
      * [Request body for a Subscription Product](https://docs.dodopayments.com/api-reference/subscriptions/post-subscriptions)

    ### Formato de Resposta

    O checkout dinâmico retorna uma resposta JSON com a URL de checkout:

    ```json theme={null}
    {
      "checkout_url": "https://checkout.dodopayments.com/"
    }
    ```
  </Accordion>

  <Accordion title="Checkout Sessions (POST)">
    As sessões de checkout oferecem uma experiência de checkout hospedada mais segura que lida com o fluxo completo de pagamento tanto para compras únicas quanto para assinaturas, com controle total de personalização.

    Consulte o [Guia de Integração de Sessões de Checkout](https://docs.dodopayments.com/developer-resources/checkout-session) para mais detalhes e uma lista completa de campos suportados.

    ### Formato de Resposta

    As sessões de checkout retornam uma resposta JSON com a URL de checkout:

    ```json theme={null}
    {
      "checkout_url": "https://checkout.dodopayments.com/session/..."
    }
    ```
  </Accordion>
</AccordionGroup>

## Manipulador de Rota do Portal do Cliente

O Manipulador de Rota do Portal do Cliente permite que você integre perfeitamente o portal do cliente dos pagamentos Dodo em sua aplicação SvelteKit.

### Parâmetros de Consulta

<ParamField query="customer_id" type="string" required>
  O ID do cliente para a sessão do portal (ex.: <code>?customer\_id=cus\_123</code>).
</ParamField>

<ParamField query="send_email" type="boolean">
  Se definido como <code>true</code>, envia um e-mail ao cliente com o link do portal.
</ParamField>

<Warning>
  Retorna 400 se <code>customer\_id</code> estiver ausente.
</Warning>

## Manipulador de Rota de Webhook

* **Método:** Apenas solicitações POST são suportadas. Outros métodos retornam 405.
* **Verificação de Assinatura:** Verifica a assinatura do webhook usando <code>webhookKey</code>. Retorna 401 se a verificação falhar.
* **Validação de Payload:** Validado com Zod. Retorna 400 para payloads inválidos.
* **Tratamento de Erros:**
  * 401: Assinatura inválida
  * 400: Payload inválido
  * 500: Erro interno durante a verificação
* **Roteamento de Eventos:** Chama o manipulador de eventos apropriado com base no tipo de payload.

### Manipuladores de Eventos Webhook Compatíveis

<CodeGroup>
  ```typescript Typescript expandable theme={null}
  onPayload?: (payload: WebhookPayload) => Promise<void>;
  onPaymentSucceeded?: (payload: WebhookPayload) => Promise<void>;
  onPaymentFailed?: (payload: WebhookPayload) => Promise<void>;
  onPaymentProcessing?: (payload: WebhookPayload) => Promise<void>;
  onPaymentCancelled?: (payload: WebhookPayload) => Promise<void>;
  onRefundSucceeded?: (payload: WebhookPayload) => Promise<void>;
  onRefundFailed?: (payload: WebhookPayload) => Promise<void>;
  onDisputeOpened?: (payload: WebhookPayload) => Promise<void>;
  onDisputeExpired?: (payload: WebhookPayload) => Promise<void>;
  onDisputeAccepted?: (payload: WebhookPayload) => Promise<void>;
  onDisputeCancelled?: (payload: WebhookPayload) => Promise<void>;
  onDisputeChallenged?: (payload: WebhookPayload) => Promise<void>;
  onDisputeWon?: (payload: WebhookPayload) => Promise<void>;
  onDisputeLost?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionActive?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionOnHold?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionRenewed?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionPlanChanged?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionCancelled?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionFailed?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionExpired?: (payload: WebhookPayload) => Promise<void>;
  onSubscriptionUpdated?: (payload: WebhookPayload) => Promise<void>;
  onLicenseKeyCreated?: (payload: WebhookPayload) => Promise<void>;
  onAbandonedCheckoutDetected?: (payload: WebhookPayload) => Promise<void>;
  onAbandonedCheckoutRecovered?: (payload: WebhookPayload) => Promise<void>;
  onDunningStarted?: (payload: WebhookPayload) => Promise<void>;
  onDunningRecovered?: (payload: WebhookPayload) => Promise<void>;
  onCreditAdded?: (payload: WebhookPayload) => Promise<void>;
  onCreditDeducted?: (payload: WebhookPayload) => Promise<void>;
  onCreditExpired?: (payload: WebhookPayload) => Promise<void>;
  onCreditRolledOver?: (payload: WebhookPayload) => Promise<void>;
  onCreditRolloverForfeited?: (payload: WebhookPayload) => Promise<void>;
  onCreditOverageCharged?: (payload: WebhookPayload) => Promise<void>;
  onCreditManualAdjustment?: (payload: WebhookPayload) => Promise<void>;
  onCreditBalanceLow?: (payload: WebhookPayload) => Promise<void>;
  ```
</CodeGroup>

***

## Prompt para LLM

```

You are an expert SvelteKit developer assistant. Your task is to guide a user through integrating the @dodopayments/sveltekit adapter into their existing SvelteKit project.

The @dodopayments/sveltekit adapter provides route handlers for Dodo Payments' Checkout, Customer Portal, and Webhook functionalities, designed for the SvelteKit App Router.

First, install the necessary packages. Use the package manager appropriate for your project (npm, yarn, or bun) based on the presence of lock files (e.g., package-lock.json for npm, yarn.lock for yarn, bun.lockb for bun):

npm install @dodopayments/sveltekit

Here's how you should structure your response:

    Ask the user which functionalities they want to integrate.

"Which parts of the @dodopayments/sveltekit adapter would you like to integrate into your project? You can choose one or more of the following:

    Checkout Route Handler (for handling product checkouts)

    Customer Portal Route Handler (for managing customer subscriptions/details)

    Webhook Route Handler (for receiving Dodo Payments webhook events)

    All (integrate all three)"

    Based on the user's selection, provide detailed integration steps for each chosen functionality.

If Checkout Route Handler is selected:

Purpose: This handler manages different types of checkout flows. All checkout types (static, dynamic, and sessions) return JSON responses with checkout URLs for programmatic handling.
File Creation: Create a new file at app/checkout/route.ts in your SvelteKit project.

Code Snippet:

// src/routes/api/checkout/+server.ts
import { Checkout } from "@dodopayments/sveltekit";
import { DODO_PAYMENTS_API_KEY, DODO_PAYMENTS_RETURN_URL, DODO_PAYMENTS_ENVIRONMENT } from '$env/static/private';

const checkoutGetHandler = Checkout({
    bearerToken: DODO_PAYMENTS_API_KEY,
    returnUrl: DODO_PAYMENTS_RETURN_URL,
    environment: DODO_PAYMENTS_ENVIRONMENT,
    type: "static",
});

const checkoutPostHandler = Checkout({
    bearerToken: DODO_PAYMENTS_API_KEY,
    returnUrl: DODO_PAYMENTS_RETURN_URL,
    environment: DODO_PAYMENTS_ENVIRONMENT,
    type: "session", // or "dynamic" for dynamic link
});

export const GET = checkoutGetHandler.GET;
export const POST = checkoutPostHandler.POST;

Configuration & Usage:

    bearerToken: Your Dodo Payments API key. It's recommended to set this via the DODO_PAYMENTS_API_KEY environment variable.

    returnUrl: (Optional) The URL to redirect the user to after a successful checkout.

    environment: (Optional) Set to "test_mode" for testing, or omit/set to "live_mode" for production.

    type: (Optional) Set to "static" for GET/static checkout, "dynamic" for POST/dynamic checkout, or "session" for POST/checkout sessions. Defaults to "static".

Static Checkout (GET) Query Parameters:

    productId (required): Product identifier (e.g., ?productId=pdt_nZuwz45WAs64n3l07zpQR)

    quantity (optional): Quantity of the product

    Customer Fields (optional): fullName, firstName, lastName, email, country, addressLine, city, state, zipCode

    Disable Flags (optional, set to true to disable): disableFullName, disableFirstName, disableLastName, disableEmail, disableCountry, disableAddressLine, disableCity, disableState, disableZipCode

    Advanced Controls (optional): paymentCurrency, showCurrencySelector, paymentAmount, showDiscounts

    Metadata (optional): Any query parameter starting with metadata_ (e.g., ?metadata_userId=abc123)
    
    Returns: {"checkout_url": "https://checkout.dodopayments.com/..."}

Dynamic Checkout (POST) - Returns JSON with checkout_url: Parameters are sent as a JSON body. Supports both one-time and recurring payments. Returns: {"checkout_url": "https://checkout.dodopayments.com/..."}. For a complete list of supported POST body fields, refer to:

    Docs - One Time Payment Product: https://docs.dodopayments.com/api-reference/payments/post-payments

    Docs - Subscription Product: https://docs.dodopayments.com/api-reference/subscriptions/post-subscriptions

Checkout Sessions (POST) - (Recommended) A more customizable checkout experience. Returns JSON with checkout_url: Parameters are sent as a JSON body. Supports both one-time and recurring payments. Returns: {"checkout_url": "https://checkout.dodopayments.com/session/..."}. For a complete list of supported fields, refer to:

  Checkout Sessions Integration Guide: https://docs.dodopayments.com/developer-resources/checkout-session

Error Handling: If productId is missing or other parameters are invalid, the handler will return a 400 response.

If Customer Portal Route Handler is selected:

Purpose: This handler redirects authenticated users to their Dodo Payments customer portal.
File Creation: Create a new file at app/customer-portal/route.ts in your SvelteKit project.

Code Snippet:

// src/routes/api/checkout/+server.ts
import { CustomerPortal } from "@dodopayments/sveltekit";
import { DODO_PAYMENTS_API_KEY, DODO_PAYMENTS_RETURN_URL, DODO_PAYMENTS_ENVIRONMENT } from '$env/static/private';

const customerPortalHandler = CustomerPortal({
    bearerToken: DODO_PAYMENTS_API_KEY,
    environment: DODO_PAYMENTS_ENVIRONMENT,
});

export const GET = customerPortalHandler.GET;

Query Parameters:

    customer_id (required): The customer ID for the portal session (e.g., ?customer_id=cus_123)

    send_email (optional, boolean): If set to true, sends an email to the customer with the portal link.

    Returns 400 if customer_id is missing.

If Webhook Route Handler is selected:

Purpose: This handler processes incoming webhook events from Dodo Payments, allowing your application to react to events like successful payments, refunds, or subscription changes.
File Creation: Create a new file at app/api/webhook/dodo-payments/route.ts in your SvelteKit project.

Code Snippet:

// src/routes/api/webhook/+server.ts
import { Webhooks } from "@dodopayments/sveltekit";
import { DODO_PAYMENTS_WEBHOOK_KEY } from '$env/static/private';

export const POST = Webhooks({
    webhookKey: DODO_PAYMENTS_WEBHOOK_KEY,
    onPayload: async (payload) => {
        console.log(payload);
    }
});

Handler Details:

    Method: Only POST requests are supported. Other methods return 405.

    Signature Verification: The handler verifies the webhook signature using the webhookKey and returns 401 if verification fails.

    Payload Validation: The payload is validated with Zod. Returns 400 for invalid payloads.

Error Handling:

    401: Invalid signature

    400: Invalid payload

    500: Internal error during verification

Event Routing: Calls the appropriate event handler based on the payload type.

Supported Webhook Event Handlers:

    onPayload?: (payload: WebhookPayload) => Promise<void>

    onPaymentSucceeded?: (payload: WebhookPayload) => Promise<void>

    onPaymentFailed?: (payload: WebhookPayload) => Promise<void>

    onPaymentProcessing?: (payload: WebhookPayload) => Promise<void>

    onPaymentCancelled?: (payload: WebhookPayload) => Promise<void>

    onRefundSucceeded?: (payload: WebhookPayload) => Promise<void>

    onRefundFailed?: (payload: WebhookPayload) => Promise<void>

    onDisputeOpened?: (payload: WebhookPayload) => Promise<void>

    onDisputeExpired?: (payload: WebhookPayload) => Promise<void>

    onDisputeAccepted?: (payload: WebhookPayload) => Promise<void>

    onDisputeCancelled?: (payload: WebhookPayload) => Promise<void>

    onDisputeChallenged?: (payload: WebhookPayload) => Promise<void>

    onDisputeWon?: (payload: WebhookPayload) => Promise<void>

    onDisputeLost?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionActive?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionOnHold?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionRenewed?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionPlanChanged?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionCancelled?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionFailed?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionExpired?: (payload: WebhookPayload) => Promise<void>

    onSubscriptionUpdated?: (payload: WebhookPayload) => Promise<void>

    onLicenseKeyCreated?: (payload: WebhookPayload) => Promise<void>

    onAbandonedCheckoutDetected?: (payload: WebhookPayload) => Promise<void>

    onAbandonedCheckoutRecovered?: (payload: WebhookPayload) => Promise<void>

    onDunningStarted?: (payload: WebhookPayload) => Promise<void>

    onDunningRecovered?: (payload: WebhookPayload) => Promise<void>

    onCreditAdded?: (payload: WebhookPayload) => Promise<void>

    onCreditDeducted?: (payload: WebhookPayload) => Promise<void>

    onCreditExpired?: (payload: WebhookPayload) => Promise<void>

    onCreditRolledOver?: (payload: WebhookPayload) => Promise<void>

    onCreditRolloverForfeited?: (payload: WebhookPayload) => Promise<void>

    onCreditOverageCharged?: (payload: WebhookPayload) => Promise<void>

    onCreditManualAdjustment?: (payload: WebhookPayload) => Promise<void>

    onCreditBalanceLow?: (payload: WebhookPayload) => Promise<void>

    Environment Variable Setup:

To ensure the adapter functions correctly, you will need to manually set up the following environment variables in your SvelteKit project's deployment environment (e.g., Vercel, Netlify, AWS, etc.):

    DODO_PAYMENTS_API_KEY: Your Dodo Payments API Key (required for Checkout and Customer Portal).

    RETURN_URL: (Optional) The URL to redirect to after a successful checkout (for Checkout handler).

    DODO_PAYMENTS_WEBHOOK_SECRET: Your Dodo Payments Webhook Secret (required for Webhook handler).

Example .env file:

DODO_PAYMENTS_API_KEY=your-api-key
DODO_PAYMENTS_WEBHOOK_KEY=your-webhook-secret
DODO_PAYMENTS_RETURN_URL=your-return-url
DODO_PAYMENTS_ENVIRONMENT="test_mode" or "live_mode"

Usage in your code:

bearerToken: process.env.DODO_PAYMENTS_API_KEY
webhookKey: process.env.DODO_PAYMENTS_WEBHOOK_KEY

Important: Never commit sensitive environment variables directly into your version control. Use environment variables for all sensitive information.

If the user needs assistance setting up environment variables for their specific deployment environment, ask them what platform they are using (e.g., Vercel, Netlify, AWS, etc.), and provide guidance. You can also add comments to their PR or chat depending on the context

```