> ## 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.

# Next.js Adaptor

> Aprenda como integrar os pagamentos Dodo com seu projeto Next.js App Router usando nosso Adaptor NextJS. 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">
    Integre o checkout da Dodo Payments com fluxos estáticos, dinâmicos e de sessão.
  </Card>

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

  <Card title="Webhooks" icon="bell" href="#webhook-route-handler">
    Receba e processe eventos de webhook da 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/nextjs
    ```
  </Step>

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

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

    <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 Next.js App Router.
</Info>

<Tabs>
  <Tab title="Checkout Handler">
    <Info>
      Use este handler para integrar o checkout da Dodo Payments no seu app Next.js. Suporta fluxos de pagamento estáticos (GET), dinâmicos (POST) e de sessão de checkout (POST).
    </Info>

    <CodeGroup>
      ```typescript Next.js Route Handler expandable theme={null}
      // app/checkout/route.ts
      import { Checkout } from "@dodopayments/nextjs";

      export const GET = Checkout({
        bearerToken: process.env.DODO_PAYMENTS_API_KEY,
        returnUrl: process.env.DODO_PAYMENTS_RETURN_URL,
        environment: process.env.DODO_PAYMENTS_ENVIRONMENT,
        type: "static", // optional, defaults to 'static'
      });

      export const POST = Checkout({
        bearerToken: process.env.DODO_PAYMENTS_API_KEY,
        returnUrl: process.env.DODO_PAYMENTS_RETURN_URL,
        environment: process.env.DODO_PAYMENTS_ENVIRONMENT,
        type: "dynamic", // for dynamic checkout
      });

      export const POST = Checkout({
        bearerToken: process.env.DODO_PAYMENTS_API_KEY,
        returnUrl: process.env.DODO_PAYMENTS_RETURN_URL,
        environment: process.env.DODO_PAYMENTS_ENVIRONMENT,
        type: "session", // for checkout sessions
      });
      ```
    </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 este handler para permitir que clientes gerenciem suas assinaturas e detalhes por meio do portal do cliente da Dodo Payments.
    </Info>

    <CodeGroup>
      ```typescript Next.js Route Handler expandable theme={null}
      // app/customer-portal/route.ts
      import { CustomerPortal } from "@dodopayments/nextjs";

      export const GET = CustomerPortal({
        bearerToken: process.env.DODO_PAYMENTS_API_KEY,
        environment: process.env.DODO_PAYMENTS_ENVIRONMENT,
      });
      ```
    </CodeGroup>

    <CodeGroup>
      ```curl Customer Portal Curl example expandable theme={null}
      curl --request GET \
      --url 'https://example.com/api/customer-portal?customer_id=cus_9VuW4K7O3GHwasENg31m&send_email=true' \
      --header 'User-Agent: insomnia/11.2.0' \
      --cookie mode=test
      ```
    </CodeGroup>
  </Tab>

  <Tab title="Webhook Handler">
    <Info>
      Use este handler para receber e processar eventos de webhook da Dodo Payments com segurança no seu app Next.js.
    </Info>

    <CodeGroup>
      ```typescript Next.js Route Handler expandable theme={null}
      // app/api/webhook/dodo-payments/route.ts
      import { Webhooks } from "@dodopayments/nextjs";

      export const POST = Webhooks({
        webhookKey: process.env.DODO_PAYMENTS_WEBHOOK_KEY,
        onPayload: async (payload) => {
          // handle the payload
        },
        // ... other event handlers for granular control
      });
      ```
    </CodeGroup>
  </Tab>
</Tabs>

## Manipulador de Rota de Checkout

<Info>
  A Dodo Payments oferece suporte a três tipos de fluxos de pagamento para integrar pagamentos ao seu site; este adaptador dá suporte a 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 Suportados

    <ParamField query="productId" type="string" required>
      Identificador do produto (por exemplo, <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 do 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">
      Desative o campo de nome completo.
    </ParamField>

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

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

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

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

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

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

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

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

    <ParamField query="paymentCurrency" type="string">
      Especifique a moeda de pagamento (por exemplo, <code>USD</code>).
    </ParamField>

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

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

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

    <ParamField query="metadata_*" type="string">
      Qualquer parâmetro de consulta começando com <code>metadata\_</code> será passado como metadata.
    </ParamField>

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

    ### Formato de Resposta

    O checkout estático retorna uma resposta JSON com a URL do 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 solicitação 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 do 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 todo o fluxo 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 do 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 Next.js.

### Parâmetros de Consulta

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

<ParamField query="send_email" type="boolean">
  Se definido como <code>true</code>, envia um e-mail para o 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 Next.js developer assistant. Your task is to guide a user through integrating the @dodopayments/nextjs adapter into their existing Next.js project.

The @dodopayments/nextjs adapter provides route handlers for Dodo Payments' Checkout, Customer Portal, and Webhook functionalities, designed for the Next.js 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/nextjs

Here's how you should structure your response:

    Ask the user which functionalities they want to integrate.

"Which parts of the @dodopayments/nextjs 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 Next.js project.

Code Snippet:

// app/checkout/route.ts
import { Checkout } from '@dodopayments/nextjs'

export const GET = Checkout({
bearerToken: process.env.DODO_PAYMENTS_API_KEY!,
returnUrl: process.env.DODO_PAYMENTS_RETURN_URL,
environment: process.env.DODO_PAYMENTS_ENVIRONMENT,
type: "static",
});

export const POST = Checkout({
bearerToken: process.env.DODO_PAYMENTS_API_KEY!,
returnUrl: process.env.DODO_PAYMENTS_RETURN_URL,
environment: process.env.DODO_PAYMENTS_ENVIRONMENT,
type: "session", // or "dynamic" for dynamic link
});

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.

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 Next.js project.

Code Snippet:

// app/customer-portal/route.ts
import { CustomerPortal } from '@dodopayments/nextjs'

export const GET = CustomerPortal({
bearerToken: process.env.DODO_PAYMENTS_API_KEY!,
environment: "test_mode",
});

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 Next.js project.

Code Snippet:

// app/api/webhook/dodo-payments/route.ts
import { Webhooks } from '@dodopayments/nextjs'

export const POST = Webhooks({
webhookKey: process.env.DODO_WEBHOOK_SECRET!,
onPayload: async (payload) => {
// handle the payload
},
// ... other event handlers for granular control
});

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 Next.js 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_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_ENVIRONMENT="test_mode" or "live_mode"
DODO_PAYMENTS_RETURN_URL=your-return-url

Usage in your code:

bearerToken: process.env.DODO_PAYMENTS_API_KEY!
webhookKey: process.env.DODO_WEBHOOK_SECRET!

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

```