Square In-App Payments SDK
Build remarkable payments experiences in your own apps with Square’s In-App Payments SDK. Use our pre-built UI to collect sensitive credit card details from your customers, while matching the look and feel of your app. Square takes care of all the complexity of payments. We analyze every payment to detect fraud, ensure card data is secure and facilitate PCI compliant payment processing so that you can focus on building the rest of your application.
You can also pair our Square In-App Payments SDK with Square’s Online Payments APIs and Reader SDK to accept payments across all channels - online, in-person and in-app - while keeping your back office reporting unified in a single system.