Abstract: There is provided systems and method for selection of merchant and device specific payment flow. A merchant may access a payment provider and make selections for a payment flow that a consumer utilizes during check-out and payment for items from the merchant. The payment flow may include a merchant category, a language for presentation of the payment processing information, when the user is required to log-in to the payment provider, custom logos and styles for the merchant, etc. The merchant may also view how the payment flows appear on different device platforms, such as mobile devices, tablet/desktop computers, as well as various operating systems and/or Internet browsers. Once a selection of the various parameters for the payment flow is made by the merchant, a custom payment flow may be generated for the merchant. The merchant may browse the pages of the interface as well as receive downloadable code and best practices associated with the features of the interface.