Insights and deep dives from the Zupay team on fintech, infrastructure, and building great products.
A deep dive into how we redesigned our routing layer using edge nodes and predictive pre-routing to serve payment authorisations in under 40ms globally.
How we trained and deployed our ML fraud models at the edge without sacrificing speed.
Read more →Localisation, payment method preferences, and the UX research behind our global checkout.
Read more →Analysis of why global payment decline rates remain stubbornly high and what the industry can do.
Read more →Our strategy for building local presence in two of the world's fastest-growing payment markets.
Read more →The architecture behind our webhook delivery system — retries, ordering, and dead-letter queues.
Read more →Replacing cryptic "do not honor" codes with actionable, human-readable next steps.
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