Notes on accepting payments: integration, signatures, payouts.
Featured · 6 min read
The reasons acquirers turn down online payment applications, and the working ways to keep taking money while the conversation with the bank is still going.
Read → acquiringaccepting-payments
· 7 min read
How the amount on your balance follows from the amount paid: an 18% fee on gross, who pays it, conversion at the central bank rate plus a markup, the payout threshold and the transfer fee.
feespayoutsaccepting-payments
· 6 min read
How an SBP QR payment goes through, why confirmation arrives with a delay, how it differs from cards, and what all of that means for your integration.
sbpaccepting-paymentsintegration
· 6 min read
Why payment notifications are signed, how an HMAC-SHA256 signature is built, the four mistakes that stop it from matching, and defence against replays.
webhookintegrationsecurity