By downloading the app from the app store. Needs KYC though, so depends if that's a blocker for you. But if you don't mind that, it was pretty decent.

Did you know you can buy Bitcoin with Neutronpay in Vietnam?

Looking for an online spot to buy Bitcoin. Neutronpay isn't to bad, pretty quick and simple.

Hello wold

Neutronpay is available in Canada, Vietnam, and Thailand for download.

For APIs, reach out to sales@neutronpay.com.