Presentation: Learning about APIs through Hacking Bank Mobile Apps



5:25pm - 6:15pm

Day of week:




What do you do when you want a fully transactional banking API but PSD 2 is years away and you doubt that banks will ever make a good faith effort to ship a usable API anyway? You attack the bank's own mobile app and reverse engineer its API, that's what. This talk will present a case study of reverse engineering APIs from several banks, and compare their design decisions to best practices.

Speaker: Stevie Graham

Founder @Tellerapi

Stevie Graham is the founder at Teller, a startup in London, where he builds apps on top of your bank account, providing access to Faster Payments. Stevie has spent many years consulting as a developer, previously working at such companies such at Twilio and HSBC.

Find Stevie Graham at

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