100+ countries now supported! We're streamlining how people refill their AIS 1 2 Call, DTAC Happy or True move mobile phones. With our online top up services, users can pay for calls and 3G data by adding credit at MobileTopup.com. Pay with Alipay, PromptPay or Credit and Debit cards. We make it easy for prepaid users to get credit on their phone and choose the right mobile data package. Anywhere, anytime any device.