Compare the Top Checkout Apps that integrate with JavaScript as of July 2025

This a list of Checkout apps that integrate with JavaScript. Use the filters on the left to add additional filters for products that have integrations with JavaScript. View the products that work with JavaScript in the table below.

What are Checkout Apps for JavaScript?

Checkout apps for ecommerce enhance the shopping experience by streamlining payments while offering valuable features like upselling and loyalty program integration. These apps simplify transactions with tools like one-click checkout, saved payment options, and support for various payment methods, including digital wallets and installment plans. They also enable retailers to increase revenue by showcasing complementary products or services during the checkout process, boosting average order value. Loyalty program integration encourages repeat purchases by allowing customers to earn and redeem rewards seamlessly. Additionally, these apps enhance security with fraud prevention measures and encryption, ensuring safe and reliable transactions for both customers and businesses. Compare and read user reviews of the best Checkout apps for JavaScript currently available using the table below. This list is updated regularly.

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    ProveDirect

    ProveDirect

    ProveDirect

    Convert up to 320% more visitors into leads and sales. Adding ProveDirect to your marketing funnel is proven to build visitors' trust, create urgency, and increase conversions by 10-15% per page. Easily add ProveDirect to any website, landing page, and checkout by installing a lightweight JavaScript in the header on the page. Increase engagement and conversions with psychological triggers. Fully customizable informational message for your users. Establish social proof by displaying your most recent conversions on your site. Display a random review/testimonial from your clients to create social proof. Collecting leads has never been easier with the request collector. Easily display a small widget with an informative YouTube video. Create urgency/FOMO with a countdown timer and input for lead generation. Establish social proof by showing how many recent conversions you've got. Show your visitors how many people are on your site to create more trust.
    Starting Price: $19 per month
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