Payment4

Amirhossein Tz

<p>Payment4 is a cutting-edge cryptocurrency payment gateway designed to empower businesses globally with fast, secure, and borderless payment solutions.</p>
<p>As the digital payment ecosystem continues to evolve, Payment4 enables businesses to stay ahead of the curve by seamlessly integrating cryptocurrency payments into their operations.</p>
<p>Supported integrations:<br />
– WooCommerce<br />
– Restrict Content Pro (RCP)<br />
– Easy Digital Downloads (EDD)<br />
– Gravity Forms</p>
<h4>Features</h4>
<ul>
<li>High Security  </li>
<li>Easy Implementation  </li>
<li>Fast and Cost-Effective Settlements  </li>
<li>Secure Payments (Escrow)  </li>
<li>24/7 Support  </li>
<li>Merchant Dashboard with Diverse Features  </li>
<li>Custom Payment Page  </li>
<li>Cryptocurrency Payment Link  </li>
</ul>
<h4>Payment Gateway Fees</h4>
<ul>
<li>Get the Payment Gateway and Management Panel for Free  </li>
<li>A 1% transaction fee, capped at $10  </li>
</ul>
<p>Examples:<br />
– $50 payment <span aria-hidden="true" class="wp-exclude-emoji">→</span> $0.50 fee<br />
– $1,300 payment <span aria-hidden="true" class="wp-exclude-emoji">→</span> $10 fee (capped)</p>
<h4>Languages Supported</h4>
<ul>
<li>Arabic  </li>
<li>English  </li>
<li>Persian  </li>
<li>French  </li>
<li>Spanish  </li>
<li>Turkish  </li>
</ul>
<h4>How It Works</h4>
<ol>
<li>Customer Selects Crypto – During checkout, the customer chooses Payment4 (e.g., Bitcoin, USDT, or other supported coins).  </li>
<li>Invoice Creation – A crypto payment invoice is generated with a unique wallet address and QR code.  </li>
<li>Customer Sends Crypto – The customer transfers the exact amount to the provided wallet address.  </li>
<li>Real-Time Verification – Payment4 monitors the blockchain and instantly verifies the transaction.  </li>
<li>Order Finalization – Once confirmed, the order is processed and funds are sent directly to your configured wallet—Payment4 never holds your funds.  </li>
</ol>
<p>With Payment4, you can accept cryptocurrency payments across your WooCommerce store, RCP membership site, EDD digital products, and Gravity Forms checkout forms—all seamlessly integrated.</p>
<h3>External Services</h3>
<p>This plugin relies on the Payment4 API, a third-party external service, to process cryptocurrency payments. The plugin will not function without connecting to this service.</p>
<h4>What is the Payment4 API?</h4>
<p>Payment4 (https://payment4.com) is a cryptocurrency payment gateway service that processes crypto transactions, monitors blockchain confirmations, and manages payment verification.</p>
<h4>When does the plugin connect to Payment4 services?</h4>
<p>The plugin connects to Payment4 external services in the following situations:</p>
<ol>
<li><strong>During Checkout</strong> – When a customer selects Payment4 as their payment method and proceeds to pay</li>
<li><strong>Payment Verification</strong> – When verifying that a cryptocurrency payment has been received and confirmed on the blockchain</li>
<li><strong>Payment Callbacks</strong> – When Payment4 sends webhook notifications about payment status updates</li>
<li><strong>Language Files</strong> – When loading translation files for the plugin interface</li>
</ol>
<h4>What data is transmitted?</h4>
<p>When processing payments, the following data is sent to Payment4 services:</p>
<ul>
<li>Order amount and currency</li>
<li>Order ID and description</li>
<li>Customer email address (optional, for payment notifications)</li>
<li>Return and callback URLs for your website</li>
<li>API credentials (API key) for authentication</li>
</ul>
<p>No sensitive financial information (credit card details, bank accounts, etc.) is transmitted. Cryptocurrency transactions are handled directly on the blockchain.</p>
<h4>Service Endpoints Used</h4>
<ul>
<li><strong>Payment API</strong>: https://service.payment4.com/api/v1/payment</li>
<li><strong>Verification API</strong>: https://service.payment4.com/api/v1/payment/verify</li>
<li><strong>Currency Data</strong>: https://storage.payment4.com/wp/currencies.json</li>
<li><strong>Language Files</strong>: https://storage.payment4.com/wp/languages.json</li>
</ul>
<h4>Legal & Privacy</h4>
<ul>
<li><strong>Terms of Service</strong>: https://payment4.com/terms-of-service</li>
<li><strong>Privacy Policy</strong>: https://payment4.com/privacy-policy</li>
</ul>
<p>By using this plugin, you acknowledge that data will be transmitted to Payment4’s servers for payment processing. Please review Payment4’s terms of service and privacy policy to understand how your data is handled.</p>
<h3>License</h3>
<p>This plugin is licensed under the GPLv2 (or later) License. You can view the full text of the GPLv2 license at: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html</p>
<h3>Support</h3>
<p>For support, visit our <a href="https://payment4.com/support" rel="nofollow ugc">Support Page</a>.</p>


Payment4 Crypto Payment gateway

Accept secure cryptocurrency payments in WooCommerce, Restrict Content Pro, Easy Digital Downloads, and Gravity Forms with Payment4.

Andrew Munro / AffiliateWP

Easy Digital Downloads

<h4>Featured Downloads is now part of EDD Core</h4>
<p>As of Easy Digital Downloads 3.5.1, the Featured Downloads addon is included in Easy Digital Downloads. You no longer need this addon to use the Featured Downloads feature.</p>
<h4>About this Addon</h4>
<p>This plugin requires <a href="https://wordpress.org/extend/plugins/easy-digital-downloads/" title="Easy Digital Downloads" rel="ugc">Easy Digital Downloads</a>. It’s aimed at developers/clients who need to show a list of featured downloads.</p>
<ol>
<li>Provides a template tag so finely-tuned placement of featured downloads in your theme is possible.</li>
<li>Provides a shortcode which will simply list all the featured downloads, without the need to enter any IDs.</li>
<li>Provides a simple interface for managing featured downloads in the WordPress admin. A “feature download” checkbox will be added to each download edit/publish screen as well as the quick edit boxes. At a glance you’ll also be able to see which downloads have been featured on your website from the main download listing.</li>
</ol>
<h4>Shortcode Usage</h4>
<p>Add the “featured” attribute to the existing [downloads] shortcode provided by Easy Digital Downloads:</p>
<pre><code>[downloads featured="yes"]
</code></pre>
<h4>Template Tag Usage</h4>
<p>The following code can be used to show the featured downloads anywhere in your theme:</p>
<pre><code>echo do_shortcode( '[downloads featured="yes"]' );
</code></pre>
<p>You can include any other attributes supported by the <a href="https://docs.easydigitaldownloads.com/article/224-downloads" rel="nofollow ugc">[downloads] shortcode</a>.</p>
<h4>Building your own Query</h4>
<p>To build your own query using <a href="https://codex.wordpress.org/Class_Reference/WP_Query" title="WP_Query" rel="nofollow ugc">WP_Query</a> you can use the <code>meta_key</code> parameter with a value of <code>edd_feature_download</code>. The following example builds a simple unordered list with all the featured downloads.</p>
<pre><code><?php

$args = array(
    'post_type' => 'download',
    'meta_key'  => 'edd_feature_download',
);

$featured_downloads = new WP_Query( $args );

if( $featured_downloads->have_posts() ) : ?>

    <ul>
        <?php while( $featured_downloads->have_posts() ) : $featured_downloads->the_post(); ?>
        <li>
           <a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>">
                <?php the_title(); ?>
           </a>
        </li>
        <?php endwhile; ?>
    </ul>

<?php endif; wp_reset_postdata(); ?>
</code></pre>


Payment4 Crypto Payment gateway vs Easy Digital Downloads Featured Downloads