> ## 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.

# Adaptor Next.js

> Pelajari cara mengintegrasikan Dodo Payments dengan proyek Next.js App Router Anda menggunakan Adaptor NextJS kami. Mencakup checkout, portal pelanggan, webhook, dan pengaturan lingkungan yang aman.

<CardGroup cols={2}>
  <Card title="Checkout Handler" icon="cart-shopping" href="#checkout-route-handler">
    Integrasikan checkout Dodo Payments dengan alur statis, dinamis, dan sesi.
  </Card>

  <Card title="Customer Portal" icon="user" href="#customer-portal-route-handler">
    Izinkan pelanggan mengelola langganan dan detail.
  </Card>

  <Card title="Webhooks" icon="bell" href="#webhook-route-handler">
    Terima dan proses event webhook Dodo Payments.
  </Card>
</CardGroup>

## Instalasi

<Steps>
  <Step title="Install the package">
    Jalankan perintah berikut di root proyek Anda:

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

  <Step title="Set up environment variables">
    Buat file <code>.env</code> di root proyek Anda:

    ```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>
      Jangan pernah meng-commit file <code>.env</code> atau rahasia ke versi kontrol.
    </Warning>
  </Step>
</Steps>

## Contoh Pengelola Rute

<Info>
  Semua contoh mengasumsikan Anda menggunakan Next.js App Router.
</Info>

<Tabs>
  <Tab title="Checkout Handler">
    <Info>
      Gunakan handler ini untuk mengintegrasikan checkout Dodo Payments ke dalam aplikasi Next.js Anda. Mendukung alur pembayaran statis (GET), dinamis (POST), dan sesi 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>
      Gunakan handler ini untuk memungkinkan pelanggan mengelola langganan dan detail mereka melalui portal pelanggan 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>
      Gunakan handler ini untuk menerima dan memproses event webhook Dodo Payments secara aman di aplikasi Next.js Anda.
    </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>

## Pengelola Rute Checkout

<Info>
  Dodo Payments mendukung tiga jenis alur pembayaran untuk mengintegrasikan pembayaran ke situs web Anda, adaptor ini mendukung semua jenis alur pembayaran.
</Info>

* **Tautan Pembayaran Statis:** URL yang dapat dibagikan secara instan untuk pengumpulan pembayaran cepat tanpa kode.
* **Tautan Pembayaran Dinamis:** Menghasilkan tautan pembayaran secara programatis dengan detail kustom menggunakan API atau SDK.
* **Sesi Checkout:** Buat pengalaman checkout yang aman dan dapat disesuaikan dengan keranjang produk dan detail pelanggan yang telah dikonfigurasi sebelumnya.

<AccordionGroup>
  <Accordion title="Static Checkout (GET)">
    ### Parameter Query

    <ParamField query="productId" type="string" required>
      Pengidentifikasi produk (misalnya <code>?productId=pdt\_nZuwz45WAs64n3l07zpQR</code>).
    </ParamField>

    <ParamField query="quantity" type="integer">
      Jumlah produk.
    </ParamField>

    <ParamField query="fullName" type="string">
      Nama lengkap pelanggan.
    </ParamField>

    <ParamField query="firstName" type="string">
      Nama depan pelanggan.
    </ParamField>

    <ParamField query="lastName" type="string">
      Nama belakang pelanggan.
    </ParamField>

    <ParamField query="email" type="string">
      Alamat email pelanggan.
    </ParamField>

    <ParamField query="country" type="string">
      Negara pelanggan.
    </ParamField>

    <ParamField query="addressLine" type="string">
      Baris alamat pelanggan.
    </ParamField>

    <ParamField query="city" type="string">
      Kota pelanggan.
    </ParamField>

    <ParamField query="state" type="string">
      Negara bagian/provinsi pelanggan.
    </ParamField>

    <ParamField query="zipCode" type="string">
      Kode pos/pelayanan pelanggan.
    </ParamField>

    <ParamField query="disableFullName" type="boolean">
      Nonaktifkan kolom nama lengkap.
    </ParamField>

    <ParamField query="disableFirstName" type="boolean">
      Nonaktifkan kolom nama depan.
    </ParamField>

    <ParamField query="disableLastName" type="boolean">
      Nonaktifkan kolom nama belakang.
    </ParamField>

    <ParamField query="disableEmail" type="boolean">
      Nonaktifkan kolom email.
    </ParamField>

    <ParamField query="disableCountry" type="boolean">
      Nonaktifkan kolom negara.
    </ParamField>

    <ParamField query="disableAddressLine" type="boolean">
      Nonaktifkan kolom baris alamat.
    </ParamField>

    <ParamField query="disableCity" type="boolean">
      Nonaktifkan kolom kota.
    </ParamField>

    <ParamField query="disableState" type="boolean">
      Nonaktifkan kolom negara bagian.
    </ParamField>

    <ParamField query="disableZipCode" type="boolean">
      Nonaktifkan kolom kode pos.
    </ParamField>

    <ParamField query="paymentCurrency" type="string">
      Tentukan mata uang pembayaran (misalnya <code>USD</code>).
    </ParamField>

    <ParamField query="showCurrencySelector" type="boolean">
      Tampilkan pemilih mata uang.
    </ParamField>

    <ParamField query="paymentAmount" type="integer">
      Tentukan jumlah pembayaran (misalnya <code>1000</code> untuk \$10,00).
    </ParamField>

    <ParamField query="showDiscounts" type="boolean">
      Tampilkan kolom diskon.
    </ParamField>

    <ParamField query="metadata_*" type="string">
      Setiap parameter query yang dimulai dengan <code>metadata\_</code> akan diteruskan sebagai metadata.
    </ParamField>

    <Warning>
      Jika <code>productId</code> hilang, handler mengembalikan respons 400. Parameter query yang tidak valid juga menghasilkan respons 400.
    </Warning>

    ### Format Respons

    Checkout statis mengembalikan respons JSON dengan URL checkout:

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

  <Accordion title="Dynamic Checkout (POST)">
    * Kirim parameter sebagai body JSON dalam permintaan POST.
    * Mendukung pembayaran sekali dan berulang.
    * Untuk daftar lengkap field body POST yang didukung, lihat:
      * [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)

    ### Format Respons

    Checkout dinamis mengembalikan respons JSON dengan URL checkout:

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

  <Accordion title="Checkout Sessions (POST)">
    Sesi checkout menyediakan pengalaman checkout yang lebih aman dan ditangani yang mengelola keseluruhan alur pembayaran untuk pembelian satu kali dan langganan dengan kontrol kustomisasi penuh.

    Lihat [Panduan Integrasi Sesi Checkout](https://docs.dodopayments.com/developer-resources/checkout-session) untuk detail lebih lanjut dan daftar lengkap bidang yang didukung.

    ### Format Respons

    Sesi checkout mengembalikan respons JSON dengan URL checkout:

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

## Pengelola Rute Portal Pelanggan

Pengelola Rute Portal Pelanggan memungkinkan Anda untuk mengintegrasikan portal pelanggan Dodo Payments ke dalam aplikasi Next.js Anda dengan mulus.

### Parameter Query

<ParamField query="customer_id" type="string" required>
  ID pelanggan untuk sesi portal (misalnya <code>?customer\_id=cus\_123</code>).
</ParamField>

<ParamField query="send_email" type="boolean">
  Jika diatur ke <code>true</code>, mengirim email ke pelanggan dengan tautan portal.
</ParamField>

<Warning>
  Mengembalikan 400 jika <code>customer\_id</code> hilang.
</Warning>

## Pengelola Rute Webhook

* **Metode:** Hanya permintaan POST yang didukung. Metode lain mengembalikan 405.
* **Verifikasi Tanda Tangan:** Memverifikasi tanda tangan webhook menggunakan <code>webhookKey</code>. Mengembalikan 401 jika verifikasi gagal.
* **Validasi Payload:** Divalidasi dengan Zod. Mengembalikan 400 untuk payload yang tidak valid.
* **Penanganan Kesalahan:**
  * 401: Tanda tangan tidak valid
  * 400: Payload tidak valid
  * 500: Kesalahan internal selama verifikasi
* **Rute Acara:** Memanggil pengelola acara yang sesuai berdasarkan jenis payload.

### Handler Event Webhook yang Didukung

<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 untuk 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

```