Question: I'm looking for a POS system that can integrate with multiple payment gateways and e-wallets for my retail business.

If you're looking for a full-featured POS system that connects to several payment gateways and e-wallets, Selldone Business OS is a top contender. This no-code platform provides a visually-oriented operating system for managing orders, inventory, shipping and in-store sales. It supports 3D/AR features, customizable checkout flows and multi-gateway payments, and is designed to work for businesses of all sizes. Selldone supports more than 150 currencies and 190 countries, so it's a good choice for international e-commerce.

Another good option is Mangopay, a modular payment infrastructure for marketplaces and platforms. Mangopay's suite of products handles the full payment life cycle, including e-wallet management, fast and low-cost payouts, and AI-based fraud prevention. It can handle a variety of use cases, including C2C and B2C marketplaces, and includes prebuilt integrations and APIs for custom payment flows. It's good for businesses with a global presence, with support for more than 170 settlement countries.

If you want a full-stack payment platform, check out Inai. Inai streamlines payments with a single API that integrates with many payment service providers (PSPs). It includes tools for transaction analysis, end-to-end payment reconciliation and automated payment workflows. Inai integrates with more than 50 payment vendors and 300 local payment methods, so it's good for e-commerce, subscription and platform businesses that want to optimize payments and lower transaction costs.

Also worth a look is ProcessOut, a payment analytics and routing platform that optimizes payment infrastructure by connecting to multiple providers and switching automatically. It includes features like AI Smart Routing, Dynamic Checkout and a secure Vault for storing payment information. ProcessOut's cloud-native design means it's designed to scale and be highly available, and it's a good option for businesses that need to process a lot of transactions securely and efficiently.