UnivaPay is a payment platform from UNIVA Paycast Limited, established in 2001. It lets businesses accept payments both online and in physical stores through credit cards, bank transfers, convenience store payments, and mobile wallets from Japan and international markets.

The platform specializes in inbound tourism and cross-border e-commerce, supporting international mobile wallets from over 12 countries including Alipay+ and WeChat Pay from China, KakaoPay and NAVER Pay from Korea, and wallets from Southeast Asian markets like Touch ‘n Go, GrabPay, and True Money. Developers can integrate payments through a REST API with SDKs for multiple programming languages, test environments, and detailed documentation.

The service includes 3D Secure authentication support for credit card transactions, adding cardholder verification to help prevent fraud and unauthorized use.

Merchants can process QR code payments from Japanese mobile wallets including PayPay, d-payment, au PAY, Rakuten Pay, and Merpay, plus international wallets from Asian markets.

Developers can integrate payment processing through a RESTful API with JSON responses, supported by SDKs for multiple programming languages and detailed API reference documentation.