```html lineNumbers ``` ## Trial periods [#trial-periods] This sample HTML code illustrates a Subscribe button with these features: * An initial trial period that is free and lasts for seven days. * A second trial period that costs $5.00 USD and lasts for an additional three weeks. * The regular subscription begins four weeks after the subscriber signs up.

```html lineNumbers ``` ## Limited billing cycles [#limited-billing-cycles] This sample HTML code illustrates a Subscribe button that requires renewal, with these features: * A subscription price of $69.95 USD. * A monthly billing cycle. * Expiration after six months, requiring renewal.

```html lineNumbers ``` ## Product options [#product-options] When you add product options to your Subscribe buttons with HTML code that you write yourself. You can have a maximum of 10 product options, each with their own sets of choices. The options can be either drop-down menus or text boxes. When you add product options to your Subscribe buttons with HTML code that you write yourself. You can have a maximum of 10 product options, each with their own sets of choices. The options can be either drop-down menus or text boxes. * [Product options](#product-options) * [Product options as text boxes](#product-options-as-text-boxes) ### Product options [#product-options-1] This sample HTML code illustrates a basic Subscribe button with a drop-down menu of product options.

```html lineNumbers ``` The Subscribe button with an options drop-down menu: The Subscribe button with an options drop-down menu:

## Product options as text boxes [#product-options-as-text-boxes] This sample code illustrates a basic Subscribe button with a text box for entering product options.

```html lineNumbers ``` The Subscribe button with an options text box: The Subscribe button with an options text box:

## Unsubscribe button [#unsubscribe-button] While other payment buttons are implemented by HTML form markup, Unsubscribe buttons are image links to the subscription cancellation function on the PayPal website. The URL for the image link is specified with the `HREF` attribute, and it includes these URL-encoded parameters: * `cmd` – value i `_subscr-find`, which tells PayPal to cancel the current, active subscription of the PayPal account holder who clicked the Unsubscribe button. * `alias` – value is the secure merchant account ID of the subscription provider's PayPal account. This value is in the **My business info** section of your PayPal account profile. This code implements an Unsubscribe button that lets subscribers cancel their current, active subscriptions.

```html lineNumbers

``` This code displays this button image: This code displays this button image:

## Password management [#password-management] This sample HTML code illustrates a Subscribe button that has PayPal generate usernames and passwords automatically.

```html lineNumbers ``` ## Reattempted payments [#reattempted-payments] This sample HTML code illustrates a Subscribe button that has PayPal reattempt failed recurring payments before canceling subscriptions.

```html lineNumbers ``` ## Email payment links [#email-payment-links] The sample URL code in this section illustrates a basic Subscribe email payment link with these features: * No trial period. * A subscription price of $5.00 USD. * A one-month billing cycle. * No limit on the number of billing cycles. The subscription ends only when the merchant or subscriber cancels it. > **Note:** **Important:** The example email payment link is included for > illustrative purposes only. In a production environment, you should always > use a hosted email payment link to prevent malicious users from tampering > with the code. Non-hosted email payment links are not secure. > **Note:**

> > ```text lineNumbers > https://www.paypal.com/cgi-bin/webscr?&business=alice@mystore.com&item_name=Alice%27s%20Weekly%20Digest&=&=&=M¤cy_code=USD > ``` For information on pasting button code, see [Copy and paste button code](/archive/paypal-payments-standard/integration-guide/copy-paste-code). ## See also [#see-also] * [HTML reference](/archive/paypal-payments-standard/integration-guide/html-reference-landing) * [Subscribe basic payment options](/archive/paypal-payments-standard/integration-guide/subscribe-step-1) * [Customize advanced features](/archive/paypal-payments-standard/integration-guide/step-3) * [Subscribe checkout experience](/archive/paypal-payments-standard/integration-guide/checkout-exp-subscribe)