Notes from the payment rails of South Asia.
Rail-level deep dives, incident post-mortems, market updates from India, Bangladesh and Pakistan. Written by the engineers and ops leads who work on this every day. No marketing fluff.
What actually changed in UPI 2.0, and how it affects your success rate
Recurring mandates, one-time blocks, invoice-in-the-inbox. What NPCI shipped versus what merchants notice.
Post-mortem: the 47-minute HDFC UPI dip on July 12
How our routing engine recovered 8,400 of 8,900 attempts that would have failed. What we learned about failover thresholds.
PROGA 2025 and what it means for offshore iGaming operators serving India
The Promotion and Regulation of Online Gaming Act came into force 1 May 2026. Here's the practical merchant read.
Idempotency keys: the one API pattern that saves you from silent duplicate payments
Why every payment call should carry one, when to rotate them, and the exact behaviour our API guarantees.
bKash Disbursement in practice: the difference between "instant" and "actually instant"
End-to-end wall-clock measurements from API call to funds visible. What slows it down, what doesn't.
India's DPDP Act, in plain English for payment merchants
What "consent manager" means for your checkout, what breach notification looks like in practice, and the fines that actually matter.
The reversal playbook for high-risk merchants that keeps your account alive
Dispute response templates, evidence to gather, ratios PSPs actually care about, and when to stop fighting.
Pakistan's Raast: what's actually different from JazzCash and EasyPaisa
Real-time gross settlement at the central bank level. What that unlocks for payouts and what it doesn't.
South Asia payment landscape, Q3 2026: what's shifting, what's stuck
New rails, retiring methods, regulatory drift by country. The quarterly briefing operators bookmark.