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Amazon Pay is an online payments processing service that is owned by Amazon. Launched in 2007,Amazon Pay uses the consumer base of Amazon.com and focuses on giving users the option to pay with their Amazon accounts on external merchant websites.

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 Google Pay stylized G Pay (formerly Pay with Google and Android Pay) is a digital wallet platform and online payment system developed by Google to power in-app and tap-to-pay purchases on mobile devices, enabling users to make payments with Android phones, tablets or watches. 

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 Alipay (Chinese: 支付宝) is a third-party mobile and online payment platform, established in Hangzhou, China in February 2004 by Alibaba Group and its founder Jack Ma. In 2015, Alipay moved its headquarters to Pudong, Shanghai, although its parent company Ant Financial remains Hangzhou-base.

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 Samsung Pay is a mobile payment and digital wallet service by Samsung Electronics that lets users make payments using compatible phones and other Samsung-produced devices. The service supports contactless payments using near-field communications, but also supports magnetic stripe–only payment terminals by incorporating magnetic secure transmission. In countries like India it also supports bill payments.

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