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.
Localisation, payment method preferences, and the UX research behind our global checkout.
Analysis of why global payment decline rates remain stubbornly high and what the industry can do.
Our strategy for building local presence in two of the world's fastest-growing payment markets.
The architecture behind our webhook delivery system — retries, ordering, and dead-letter queues.
Replacing cryptic "do not honor" codes with actionable, human-readable next steps.