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Designing and implementing a (micro) payment system

Monetising my blog with coffee, Apple Pay and Mollie

Mar. 25, 2020 -

Online payments are now more important than ever as businesses are disrupted by the COVID-19 virus. It drives my customers to seek new ways to make money online. I designed and implemented a (micro)payment system. This post is about achieving simplicity by solving complex challenges.

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Sketched sequence diagram of payment process
Sketched sequence diagram of payment process
Calling Mollie from NodeJS using promise based JavaScript
Calling Mollie from NodeJS using promise based JavaScript
Developing the user interface using Blink and Inspect Browser on iPad
Developing the user interface using Blink and Inspect Browser on iPad
Interface concept sketches, exploring different options to leave a message and buying multiple cups of coffee
Interface concept sketches, exploring different options to leave a message and buying multiple cups of coffee
Time to drink coffee
Time to drink coffee
Designing the coffee cup using Picta Graphic for iPad
Designing the coffee cup using Picta Graphic for iPad

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AmsterdamDesigniPadLemmid StorePaymentsProgrammingServerTabletVIMWork