1. 1. Key differences in Technology: PayPal is a widely-used online payment platform that allows businesses and individuals to send and receive money digitally. It offers a wide range of payment options and integrates easily with websites and mobile apps. On the other hand, Snipcart is an eCommerce platform that provides a simple and flexible way to add a shopping cart functionality to any website. It focuses on providing a streamlined experience for developers, allowing them to have full control over the shopping cart's design and functionality.

2. 2. Integration and Customization: PayPal offers a range of integration options and plugins for popular eCommerce platforms, making it easy to integrate into existing websites and shopping carts. It also provides customization options, allowing businesses to have a consistent brand experience throughout the payment process. In contrast, Snipcart's strength lies in its simplicity and flexibility. It provides a JavaScript API that allows developers to create a customized shopping cart experience that matches the website's design and branding, without being tied to specific platforms.

3. 3. Transaction Fees: PayPal charges transaction fees based on a percentage of the transaction value and additional fees for certain features such as currency conversion or chargebacks. The fees vary depending on the country and the type of transaction. Snipcart, on the other hand, offers a pricing model that is based on the number of transactions and the usage of additional features. It provides transparent pricing plans that cater to different business needs, without charging any additional fees for currency conversion or chargebacks.

4. 4. Checkout Process: PayPal provides a quick and streamlined checkout process for customers, allowing them to pay with their PayPal account or credit card information. It offers various payment options, including PayPal Credit, which allows customers to pay over time. Snipcart offers a customizable checkout process that can be embedded directly into the website, allowing customers to complete their purchase without being redirected to a separate page. It supports various payment methods, including credit cards, mobile wallets, and cryptocurrencies.

5. 5. Security and Fraud Protection: PayPal is known for its robust security measures and fraud protection features. It uses advanced encryption technologies and monitors transactions for suspicious activities. It also offers seller protection programs to safeguard businesses against fraudulent chargebacks. Snipcart also prioritizes security and provides SSL encryption for secure transactions. While it does not offer extensive fraud protection features like PayPal, businesses can implement their own fraud prevention measures with Snipcart's API.

6. 6. Customer Support: PayPal offers customer support through various channels, including phone, email, and live chat. It provides a comprehensive knowledge base and community forums for self-help. Snipcart offers customer support through email and a dedicated Slack channel for developers. It also provides thorough documentation and video tutorials to assist users in setting up and customizing their shopping cart.

In Summary, PayPal is a widely-used online payment platform with a focus on easy integration and a wide range of payment options, while Snipcart is a flexible eCommerce platform that allows developers to create a customized shopping cart experience. PayPal charges transaction fees based on percentages and additional fees, while Snipcart offers transparent pricing based on the number of transactions. While both prioritize security, PayPal offers extensive fraud protection features, while Snipcart allows businesses to implement their own fraud prevention measures. PayPal has a quick and streamlined checkout process, while Snipcart offers a customizable embedded checkout. Both provide customer support through various channels and comprehensive documentation.