WooCommerce is a popular e-commerce platform that allows users to create and manage online stores. One of the key features of WooCommerce is its ability to integrate with various APIs to extend the functionality of the platform. Here are some common API integrations in WooCommerce:

1. Payment Gateway Integration: WooCommerce supports integration with a wide range of payment gateways, allowing users to accept payments from different providers. Popular payment gateways include PayPal, Stripe, Authorize.net, and Braintree.

2. Shipping API Integration: WooCommerce can be integrated with shipping carriers’ APIs to calculate shipping rates, generate shipping labels, and track shipments. Common shipping APIs include USPS, UPS, FedEx, and DHL.

3. CRM and Marketing Automation Integration: WooCommerce can be integrated with customer relationship management (CRM) systems and marketing automation tools to sync customer data, track orders, and create targeted marketing campaigns. Popular CRM and marketing automation platforms include Salesforce, HubSpot, and Mailchimp.

4. Inventory Management Integration: WooCommerce can be integrated with inventory management systems to synchronize stock levels, manage product catalogs, and track sales. Common inventory management integrations include TradeGecko, Skubana, and DEAR Systems.

5. Analytics Integration: WooCommerce can be integrated with analytics platforms to track and analyze website performance, customer behavior, and sales data. Popular analytics platforms include Google Analytics, Adobe Analytics, and Mixpanel.

6. Affiliate Marketing Integration: WooCommerce can be integrated with affiliate marketing platforms to track and manage affiliate sales, commissions, and payouts. Common affiliate marketing integrations include ShareASale, Commission Junction, and Refersion.

7. Social Media Integration: WooCommerce can be integrated with social media platforms to promote products, display social media feeds, and enable social login options for customers. Common social media integrations include Facebook, Instagram, Twitter, and Pinterest.

8. ERP Integration: WooCommerce can be integrated with enterprise resource planning (ERP) systems to synchronize data across multiple systems, manage inventory, and streamline business operations. Common ERP integrations include SAP, Oracle, and Microsoft Dynamics.

These are just a few examples of the many API integrations available for WooCommerce. With its flexible architecture and extensive documentation, WooCommerce provides users with the ability to integrate with a wide range of APIs to meet their specific business needs.