Payment Glossary: 70+ Payment Terms and Definitions for 2026

Understand the language behind payments, approvals, and smart retries.

Learn our 70+ terms

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Decline Code
Decline codes explain why a card payment failed and whether it is worth retrying. For payment teams, they are a key input for reducing false declines, controlling retry costs, and recovering revenue.
Decline Code
issuer response code, payment decline code, authorization decline code

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