OnePay is a leading online payments and financial transaction processing company in Vietnam. Established in 2006, during the early days of e-Commerce in Vietnam, OnePay provides the following products and solutions.

Enable online payments using international and domestic cards on merchants website, email for Tel/Fax. OnePAY offers a seamless integration of a robust and powerful payment tools to merchant website.
As representative of MasterCard Internet Payment Service in Viet Nam, OnePAY now leading online payment market. We offer our merchants the facilities to accept payments via internet and mail.
OnePAY provides immediately card settlement processing services with a wide range of added value. In doing this, we aim for the highest possible customer benefit

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Online self help and support for OnePAY’s merchants and value customers. For direct support, call our sales hotline: +844 3936 6668
Login to the Merchant Administration Interface, the online management and reporting tools reporting tools
the online management and reporting tools

OnePAY confirmed completion of the OpenSSL Heartbleed security vulnerability patched

On the evening of 7th April 2014, OpenSSL security vulnerability had been announced on internet forums such as Reddit and website. The existence of this vulnerability is seen as the possibly for hackers to steal information, including information of banking and online payment transactions.