Payment Glossary: 70+ Payment Terms and Definitions for 2026
Understand the language behind payments, approvals, and smart retries.
Learn our 70+ terms
Understand the language behind payments, approvals, and smart retries.
A card network connects acquirers and issuers to authorize, route, and clear card payments. For payment teams, network rules and response codes can directly influence approval rates and retry strategy.
Card Networkcard scheme, payment network, card rail
Payment rails are the networks that move transaction data and funds between banks. For merchants, rail selection shapes cost, settlement speed, and how often payments get approved.
Payment Railpayment network, payment scheme, funds transfer network