
OptimizeMember API (WordPress module)
Learn how to integrate OptimizeMember API (WordPress module) with Post Affiliate Pro to track sales, manage affiliate registrations, and automate membership sit...
s2Member is a WordPress membership plugin that integrates with Post Affiliate Pro for tracking codes, recurring commissions, and affiliate registration. Integration involves placing specific codes in s2Member configuration sections and PayPal form codes.
s2Member is a WordPress plugin for professional WordPress membership management. The integration is easy, you only have to place a code to a special s2Member config section.
The first step to integrate the sale tracking code into your s2Member is to place the following code to s2Member section API / Tracking > Signup Tracking Codes:
<script id="pap_x2s6df8d" src="https://URL_TO_PostAffiliatePro/scripts/trackjs.js" type="text/javascript"></script>
<script type="text/javascript">
PostAffTracker.setAccountId('Account_ID');
var sale = PostAffTracker.createSale();
sale.setTotalCost('%%initial%%');
sale.setOrderID('%%subscr_id%%');
sale.setProductID('%%item_number%%');
PostAffTracker.register();
</script>
In case you need to track also some other details, you can see variables available right below this section (in s2Member).
If you want to payout recurring commissions to your affiliates, you have to enable s2Member plugin in your Post Affiliate Pro. Set a secret word there and then navigate to your s2Member admin, to API / Notifications > Payment Notifications and use this notification URL (set the secret word there):
http://URL_TO_PostAffiliatePro/plugins/s2Member/s2member.php?secret=YOURSECRETCODE&order=%%subscr_id%%&total=%%amount%%&type=order
To make this work correctly, you need to use the Recurring Commissions feature in your Post Affiliate Pro and have it set to work with API. In your campaign, you have to configure recurring commissions and set recurrence to ‘varied’ which means it will cooperate with s2Member notifications.
As you can see in the s2Member plugin configuration, there is a checkbox for affiliate registrations. In case you want to create an affiliate account for every new member, you have to check the checkbox and then, in your s2Member administration navigate to API / Notifications > Signup Notifications and set this URL there:
http://URL_TO_PostAffiliatePro/plugins/s2Member/s2member.php?secret=YOURSECRETCODE&fname=%%first_name%%&lname=%%last_name%%&email=%%payer_email%%&user_ip=%%user_ip%%&type=signup
This is it, save your work and this will create a new affiliate for every new member.
In case you want to track also a parent affiliate, you have to create an additional (optional) field in your s2Member subscription form (General Options > Registration/Profile Fields) and name it ‘visitorID‘ (the same for unique field ID).
The next step is to set a custom script in Footer Design section of General Options > Login/Registration Design. Please insert this code there:
<script id="pap_x2s6df8d" src="https://URL_TO_PostAffiliatePro/scripts/trackjs.js" type="text/javascript"></script>
<script type="text/javascript">PostAffTracker.setAccountId('Account_ID');
document.getElementById('ws-plugin--s2member-custom-reg-field-visitorid').type = 'hidden';
PostAffTracker.writeCookieToCustomField('ws-plugin--s2member-custom-reg-field-visitorid');
document.getElementById('ws-plugin--s2member-custom-reg-field-visitorid').parentNode.style.display='none';
</script>
This code will make sure the parent affiliate info (a cookie value) is stored in this field, and the field itself is hidden from the form.
The last step is to add this line to your signup notification in s2Member:
&visitorID=%%visitorID%%
In case you want to track refunds and automatically mark commission as refunded when it is refunded in s2Member, you have to navigate to your s2Member admin, to API / Notifications > Refund/Reversal Notifications and use this notification URL (set the secret word there):
http://URL_TO_PostAffiliatePro/plugins/s2Member/s2member.php?secret=YOURSECRETCODE&order=%%parent_txn_id%%&type=refund
That’s it, save your work.
If you are using PayPal as a payment gateway in s2member then a different approach of integration is needed.
First of all, into the notify_url field of each ‘checkout’ button (‘paypal-checkout-button.php’,’paypal-sp-checkout-button.php’, etc. ) found at:
/wp-content/plugins/s2member/includes/templates/buttons/
you have to add:
id="pap_ab78y5t4a"
Example:
If the default notify_url field code looks like this:
<input type="hidden" name="notify_url" value="%%notify_url%%" />
then change it to this one:
<input id="pap_ab78y5t4a" type="hidden" name="notify_url" value="%%notify_url%%" />
Afterwards, into the footer file of your current theme, so into
/wp-content/themes/Name_Of_Your_Current_Theme/footer.php
you have to add the following code:
<!-- PAP Integration snippet -->
<script id="pap_x2s6df8d" src="https://URL_TO_PostAffiliatePro/scripts/trackjs.js" type="text/javascript"></script>
<script type="text/javascript">
PostAffTracker.setAccountId('default1');
PostAffTracker.writeCookieToCustomField('pap_ab78y5t4a', '', 'pap_custom');
</script>
<!-- /PAP Integration snippet -->
In case you wanted to track a product ID as well, add this attribute to your s2Member PayPal form code:
item_number="someProductID"
The last step of the integration is to look up the following file:
/wp-content/plugins/s2member/includes/classes/paypal-notify-in.inc.php
and find the line:
public static function paypal_notify() {
and place the following code right below it:
/* [Post Affiliate Pro](https://www.postaffiliatepro.com/ "Post Affiliate Pro offers a comprehensive affiliate software platform to manage multiple affiliate programs with ease. Enjoy no setup fees, 24/7 customer support, and a free 1-month trial. Ideal for small and large businesses, it features precise tracking, automated workflows, and customizable tools to boost your affiliate marketing success. Try it now and streamline your affiliate operations effortlessly!") integration snippet */
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://URL_TO_PostAffiliatePro/plugins/PayPal/paypal.php?pap_custom='.$_GET['pap_custom']);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $_POST);
curl_exec($ch);
/* /Post Affiliate Pro integration snippet */
That’s it.
Now, log in to the merchant panel of Post Affiliate Pro (Network), navigate to the “Plugins” section and activate the “PayPal IPN Handling” plugin.
NOTE: If you wish the paying customer to be automatically created as an affiliate, then in the ‘PayPal IPN Handling’ plugin turn on the “Register new affiliate with every occured event” option.
NOTE2: The ‘PayPal IPN Handling’ automatically handles the refunds — if a previously tracked transaction (that resulted in a commission) is refunded in PayPal, then it will be automatically refunded in Post Affiliate Pro (Network) as well.
s2Member is a professional membership management plugin designed specifically for WordPress websites. It seamlessly integrates with WordPress’s built-in User Roles & Capabilities, allowing site owners to protect content at various levels—including posts, pages, tags, categories, and specific URLs. With s2Member, you can offer both recurring and one-time fee subscriptions, as well as “Buy Now” access to exclusive content. The plugin supports integration with major payment gateways like Stripe and PayPal, making it easier to monetize your digital content. Additionally, s2Member utilizes shortcodes for effortless implementation and customization, giving you flexibility in how you manage and display your membership options.
Since its inception, s2Member has evolved within the WordPress ecosystem to become a comprehensive membership management tool. Key milestones in its development include integration with major payment processors and the addition of advanced features like robust content protection and detailed user role management. Over time, s2Member has solidified its reputation as a reliable solution for content creators and businesses looking to monetize their websites through subscriptions and protected content.
s2Member is tailored for a diverse audience that includes bloggers, small business owners, educators, and anyone aiming to monetize digital content. If you’re looking to offer exclusive content to members, manage multiple membership levels, or secure parts of your website, s2Member provides the tools you need. It aids users by offering secure content management, seamless payment processing, flexible membership level creation, and an efficient method for managing exclusive user content—all within your WordPress site.
Pros:
Cons:
Overall, s2Member is best suited for technically savvy users or developers who can leverage its extensive features and are comfortable with a more hands-on setup process.
If you’re exploring options beyond s2Member, several alternatives might suit your needs:
s2Member is a professional membership management plugin for WordPress. It allows site owners to protect content, manage multi-tiered memberships, and accept payments via gateways like Stripe and PayPal.
Add the tracking code to the s2Member API / Tracking section, configure recurring commissions using the secret word, and set notification URLs for signups, payments, and refunds to automate affiliate tracking and commission management.
Yes, by enabling the Recurring Commissions feature in Post Affiliate Pro and configuring s2Member’s payment notifications, you can automatically track and payout recurring affiliate commissions.
Yes, s2Member supports PayPal integration. By customizing the checkout and notification settings, you can forward PayPal’s instant payment notifications to Post Affiliate Pro for seamless affiliate tracking and refund management.
Key features include robust content protection, multi-tiered membership levels, easy shortcodes, payment gateway support, advanced user role management, and strong security measures.
s2Member is ideal for technically savvy users, developers, bloggers, educators, and businesses looking to monetize content, manage memberships, and secure their WordPress sites.
Popular alternatives include MemberPress, Thrive Apprentice, Easy Digital Downloads, MemberMouse, and WishList Member.
Lucia is a talented content editor who ensures the seamless publication of content across multiple platforms.
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