Payment Glossary: 70+ Payment Terms and Definitions for 2026

Account Updater refreshes stored card details when issuers replace cards, helping merchants reduce failed recurring charges, protect revenue, and limit involuntary churn.

card account updater, automatic card updater, billing updater

A balance inquiry checks available funds on a card account without moving money. For payment teams, it helps prevent avoidable declines, support partial payments, and limit unnecessary processing costs.

balance check, available funds inquiry, balance request

Batch processing groups approved card transactions and submits them for settlement later, helping merchants simplify reconciliation, manage costs, and support workflows like delayed capture.

batch settlement, batch capture, end-of-day settlement

Dispute resolution is the post-settlement process for handling contested card payments. Strong execution helps merchants limit revenue loss, control fees, and protect processor standing.

chargeback management, dispute process, payment dispute handling

A floor limit lets a merchant approve low-value card payments offline when speed or connectivity matters. The trade-off is higher exposure to delayed declines and unrecovered revenue.

offline limit, authorization floor limit, zero floor limit

Geographic blocking limits payments by IP, BIN, or address to reduce fraud and meet compliance rules. Poorly tuned rules can block valid cross-border customers and lower approval rates.

geo-blocking, location-based blocking, country blocking

Merchant-initiated transactions let merchants charge stored payment methods when customers are off-session. Correct setup and retry logic can reduce declines and recover recurring revenue.

MIT, off-session payment, merchant initiated payment

Queue management controls when payment requests reach gateways and issuers, helping merchants avoid rate-limit drops, reduce false declines, and protect checkout performance during bulk billing.

transaction queueing, payment queueing, request throttling

Retry logic automatically resubmits eligible declined payments based on issuer response codes and timing rules, helping merchants recover revenue while avoiding unnecessary network fees.

payment retries, intelligent retries, automated payment retries

Merchant underwriting is how acquirers and PSPs assess a business before and during processing. It influences limits, reserves, account holds, and how safely merchants can scale transaction volume.

merchant risk assessment, merchant account underwriting, acquirer underwriting

A velocity check monitors how often a card, user, device, or IP attempts payment in a set window. Done well, it helps stop card testing without creating avoidable declines or retry failures.

velocity rule, velocity limit, transaction velocity check