Shift4

The <a href="https://dev.shift4.com/docs/plugins/woo-commerce/" rel="nofollow ugc">Shift4 for WooCommerce plugin</a> enables payments in your WooCommerce store using two methods: Apple Pay and card payments processed by Shift4. By leveraging this plugin, you will be able to accept payments safely and securely.
Features: 
* Credit Card Payments 
* Saved Cards 
* Apple Pay 
* 3D Secure 
* Full & Partial Refunds 
* Automatic settlement or authorise-only transactions 
* WooCommerce Classic Checkout 
* WooCommerce Block-based Checkout 
* Order via admin 
* Fraud detection and prevention
<h3>Configuration</h3>
WooCommerce > Settings > Payments
This configuration is shared across both Card and Apple Pay sections, therefore it only needs to be updated and configured in one area and the settings will be shared. 
* Public Key – Your Shift4 account Public Key. This can be located in your Shift4 account under Account Settings > API Keys. 
* Secret Key – Your Shift4 account Secret Key. This can be located in your Shift4 account under Account Settings > API Keys. 
* Capture Strategy – To set the capture of the payment to be immediate or set it to authorise-only to be captured manually later. 
* Debug Logging – With debug logging enabled, all data about charge requests will be recorded to Shift4_Payments so that unexpected behaviour can be identified. When debug is disabled, decline responses will still be recorded.
Shift4 Card Payment 
* Enable / Disable – To enable or disable card payments via Shift4. 
* Title – Title of the payment method that will show in the checkout to the customer. 
* 3DS Mode – To enable or disable 3DS2 verification on card payments. 
 * Disabled – 3DS is completely disabled. 
 * Frictionless – 3DS will only be used if the card supports it. 
 * Strict – Only cards that support 3DS will be permitted. 
* Card Vaulting – To enable the ability for logged-in customers to save their card details to use on future transactions.
Shift4 Apple Pay 
* Enable / Disable – To enable or disable Apple Pay payments via Shift4. 
* Title – Title of the payment method that will show in the checkout to the customer.
<h3>Supported Payment Methods</h3>
Card 
Need to ensure card types are enabled in your Shift4 Account. Card Types that Shift4 supports: 
* Visa 
* Mastercard 
* Discover 
* American Express 
* Diners Club 
* JCB
Saved Card 
Only customers with an account will be able to store their card for future use.
Apple Pay 
Need to enable Apple Pay in your Shift4 Account – do to this please email: devsupport@shift4.com Your certificate merchant certificate needs to be registered either through your Shift4 Dashboard or at Apple’s webpage. Please follow our manual for detailed instructions.
<h3>External Services</h3>
This plugin connects to external services to enable its functionality:
Apple Pay 
The plugin integrates with the Apple Pay API to provide Apple Pay functionality on your WooCommerce store. This requires loading the Apple Pay JavaScript SDK from the following domain: 
– <code>https://applepay.cdn-apple.com</code>
The Apple Pay SDK is used to securely process payments via Apple Pay. No sensitive payment information is sent to your server; all sensitive data is handled by Apple Pay and Shift4.
For more information, refer to: 
– <a href="https://www.apple.com/legal/internet-services/terms/site.html" rel="nofollow ugc">Apple Pay Terms of Service</a> 
– <a href="https://www.apple.com/legal/privacy/en-ww/" rel="nofollow ugc">Apple Pay Privacy Policy</a>
Shift4 API 
The plugin communicates with the Shift4 API to process payments and manage transactions. This requires sending the following data: 
– Payment details (e.g., card token, Apple Pay token) 
– Order details (e.g., total amount, currency)
Integration requires loading the Shift4 JavaScript SDK from the following url: https://js.dev.shift4.com/shift4.js
The Shift4 API is hosted at: 
– <code>https://api.shift4.com</code>
For more information, refer to: 
– <a href="https://www.shift4.com/legal" rel="nofollow ugc">https://www.shift4.com/legal</a> 
– <a href="https://www.shift4.com/privacy-policy" rel="nofollow ugc">https://www.shift4.com/privacy-policy</a>
<h3>Testing</h3>
For testing your integration you first need a Shift4 development account which you can setup here: <a href="https://dev.shift4.com/" rel="nofollow ugc">https://dev.shift4.com/</a> 
* In your test WooCommerce store, install the Shift4 for WooCommerce plugin. 
* Using your Shift4 Developer API keys , head to Settings and add in your Test API keys and enable the relevant payment methods 
* You can now test Shift4 transaction in your WooCommerce test store

Shift4 for WooCommerce

Plugins enables payments in your WooCommerce store using two Shift4 methods.

WooCommerce vs Shift4 for WooCommerce