Square In-App Payments SDK
Secure in-app payments for iOS and Android.
Square In-App Payments SDK launched on January 9, 2019 with 9 votes, #969 of 2,587 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
Integrate payments in an app with In-App Payments SDK. Our interface allows secure card entry in mobile apps and enables businesses to engage in mobile commerce
When you build with Square, you get to outsource all the payments complexity to us. We take care of maintaining PCI compliance, detecting fraud, and managing disputes on your behalf. We built an interactive interface designed for fast, accurate card entry in mobile apps, but that doesn’t mean you can’t make it your own. Easily customize colors and fonts to match your app. Make it easier for customers to pay in app, and reduce cart abandonment. Easily integrate Apple Pay and Google Pay. Securely store a card on file so buyers don’t have to re-enter their card information next time. Create a Square account. Add the In-App Payments SDK to your project. Change colors and fonts on the payment…from developer.squareup.com
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