All posts by Anatoli Shevtsov
Transaction Labeling in Payments: How Descriptor Optimization Improves Authorization Rates
What Is Transaction Labeling in Payments? Transaction labeling — sometimes called merchant descriptor optimization or soft descriptor optimization — is the practice of controlling the data your payment sends to the issuing bank at the moment of authorization. Specifically, it means ensuring that the merchant name, category code (MCC), and transaction type signals you transmit…
Payment Decline Codes Explained: What They Mean and How to Fix Them
Updated September 2026. EXC W/D FREQ LIM (Code 65) Explained Quick answer: “EXC W/D FREQ LIM” is the issuer response code 65, “exceeds withdrawal frequency limit”. It is a soft decline. The issuer is saying this card has hit a limit on how many transactions it allows in a time window, or, for some European…
Authorization Rate Optimization: A Payments PM’s Complete Guide
Authorization rate is one of the most important metrics in payments — and one of the least understood outside of payments teams. A small improvement in auth rate can mean millions in recovered revenue. A persistent decline can silently kill a product. This guide covers what authorization rate actually means, what moves it, and how…
ISO 20022 Explained: Why Payments Product Managers Should Care
ISO 20022 is a global messaging standard for financial services — a common language for payments systems to communicate with each other. It is replacing the legacy SWIFT MT message format and is being adopted across CHAPS, SEPA, Fedwire, CHIPS and other major payment rails worldwide. For payments product managers, it is one of the…
What Is Open Banking? A Payments Product Manager’s Guide
Open banking is the regulatory and technical framework that requires banks to share customer financial data — with the customer’s consent — with third-party providers via standardised APIs. It is the foundation of a new generation of payment products, from account-to-account payments that bypass card networks to personal finance tools that aggregate data across multiple…
What Is Payment Orchestration? Definition, Benefits, and Examples
Payment orchestration is the layer that sits between your checkout and your payment processors — routing transactions intelligently, retrying failed payments, and giving you a single integration point to manage multiple acquirers, gateways and fraud tools. It has become one of the most important infrastructure decisions for any eCommerce business processing significant volume. Why Payment…
What Is a Risk Decisioning Platform? Workflow, AI, and Design Principles
Design principles for AI risk decisioning platforms in financial workflows, with emphasis on transparency, auditability, workflow control, and human review.
A2A Payments and the Challenge of Replacing Cards
A2A payments are gaining momentum, but replacing cards requires more than lower costs. Trust, protection, rewards, habits, and infrastructure still matter.
Fraud Declines vs. No-Fraud Declines
Fraud declines vs. no-fraud declines: why false declines quietly cost merchants revenue and how better risk decisions protect legitimate customers.
What Is VAMP?
A practical explanation of Visa Acquirer Monitoring Program, how VAMP thresholds work, and why merchants and acquirers need stronger dispute monitoring.