Fix Paddle documentation and dashboard urls (#10526)

Author: eszterczotter

cashier-paddle.md

@@ -92,7 +92,7 @@ php artisan migrate
 <a name="paddle-sandbox"></a>
 ### Paddle Sandbox
 
-During local and staging development, you should [register a Paddle Sandbox account](https://sandbox-login.paddle.com/signup). This account will give you a sandboxed environment to test and develop your applications without making actual payments. You may use Paddle's [test card numbers](https://developer.paddle.com/concepts/payment-methods/credit-debit-card) to simulate various payment scenarios.
+During local and staging development, you should [register a Paddle Sandbox account](https://sandbox-login.paddle.com/signup). This account will give you a sandboxed environment to test and develop your applications without making actual payments. You may use Paddle's [test card numbers](https://developer.paddle.com/concepts/payment-methods/credit-debit-card#test-payment-method) to simulate various payment scenarios.
 
 When using the Paddle Sandbox environment, you should set the `PADDLE_SANDBOX` environment variable to `true` within your application's `.env` file:
 
@@ -146,7 +146,7 @@ PADDLE_SANDBOX=true
 
 The `PADDLE_SANDBOX` environment variable should be set to `true` when you are using [Paddle's Sandbox environment](#paddle-sandbox). The `PADDLE_SANDBOX` variable should be set to `false` if you are deploying your application to production and are using Paddle's live vendor environment.
 
-The `PADDLE_RETAIN_KEY` is optional and should only be set if you're using Paddle with [Retain](https://developer.paddle.com/paddlejs/retain).
+The `PADDLE_RETAIN_KEY` is optional and should only be set if you're using Paddle with [Retain](https://developer.paddle.com/concepts/retain/overview).
 
 <a name="paddle-js"></a>
 ### Paddle JS
@@ -212,7 +212,7 @@ public function boot(): void
 > [!NOTE]
 > Before utilizing Paddle Checkout, you should define Products with fixed prices in your Paddle dashboard. In addition, you should [configure Paddle's webhook handling](#handling-paddle-webhooks).
 
-Offering product and subscription billing via your application can be intimidating. However, thanks to Cashier and [Paddle's Checkout Overlay](https://www.paddle.com/billing/checkout), you can easily build modern, robust payment integrations.
+Offering product and subscription billing via your application can be intimidating. However, thanks to Cashier and [Paddle's Checkout Overlay](https://developer.paddle.com/concepts/sell/overlay-checkout), you can easily build modern, robust payment integrations.
 
 To charge customers for non-recurring, single-charge products, we'll utilize Cashier to charge customers with Paddle's Checkout Overlay, where they will provide their payment details and confirm their purchase. Once the payment has been made via the Checkout Overlay, the customer will be redirected to a success URL of your choosing within your application:
 
@@ -318,7 +318,7 @@ Please refer to Paddle's documentation for more information on the [data contain
 > [!NOTE]
 > Before utilizing Paddle Checkout, you should define Products with fixed prices in your Paddle dashboard. In addition, you should [configure Paddle's webhook handling](#handling-paddle-webhooks).
 
-Offering product and subscription billing via your application can be intimidating. However, thanks to Cashier and [Paddle's Checkout Overlay](https://www.paddle.com/billing/checkout), you can easily build modern, robust payment integrations.
+Offering product and subscription billing via your application can be intimidating. However, thanks to Cashier and [Paddle's Checkout Overlay](https://developer.paddle.com/concepts/sell/overlay-checkout), you can easily build modern, robust payment integrations.
 
 To learn how to sell subscriptions using Cashier and Paddle's Checkout Overlay, let's consider the simple scenario of a subscription service with a basic monthly (`price_basic_monthly`) and yearly (`price_basic_yearly`) plan. These two prices could be grouped under a "Basic" product (`pro_basic`) in our Paddle dashboard. In addition, our subscription service might offer an Expert plan as `pro_expert`.
 
@@ -1340,7 +1340,7 @@ Paddle can notify your application of a variety of events via webhooks. By defau
 
 By default, this controller will automatically handle canceling subscriptions that have too many failed charges, subscription updates, and payment method changes; however, as we'll soon discover, you can extend this controller to handle any Paddle webhook event you like.
 
-To ensure your application can handle Paddle webhooks, be sure to [configure the webhook URL in the Paddle control panel](https://vendors.paddle.com/alerts-webhooks). By default, Cashier's webhook controller responds to the `/paddle/webhook` URL path. The full list of all webhooks you should enable in the Paddle control panel are:
+To ensure your application can handle Paddle webhooks, be sure to [configure the webhook URL in the Paddle control panel](https://vendors.paddle.com/notifications-v2). By default, Cashier's webhook controller responds to the `/paddle/webhook` URL path. The full list of all webhooks you should enable in the Paddle control panel are:
 
 - Customer Updated
 - Transaction Completed
@@ -1425,7 +1425,7 @@ CASHIER_WEBHOOK=https://example.com/my-paddle-webhook-url
 <a name="verifying-webhook-signatures"></a>
 ### Verifying Webhook Signatures
 
-To secure your webhooks, you may use [Paddle's webhook signatures](https://developer.paddle.com/webhook-reference/verifying-webhooks). For convenience, Cashier automatically includes a middleware which validates that the incoming Paddle webhook request is valid.
+To secure your webhooks, you may use [Paddle's webhook signatures](https://developer.paddle.com/webhooks/signature-verification). For convenience, Cashier automatically includes a middleware which validates that the incoming Paddle webhook request is valid.
 
 To enable webhook verification, ensure that the `PADDLE_WEBHOOK_SECRET` environment variable is defined in your application's `.env` file. The webhook secret may be retrieved from your Paddle account dashboard.