Payment Downtime
Payment downtime is a period when a payment capability is unavailable or unable to meet its intended service. It can affect checkout,…
Glossary terms starting with P
Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.
Payment Drop-Off
Payment drop-off occurs when a user or transaction leaves the payment journey before completion. It can happen at method selection, data entry,…
Payment Due Date
A payment due date is the date by which an obligation is contractually expected to be paid. It can determine reminders, late…
Payment Duplicate Rate
Payment Duplicate Rate is the percentage of payment commands, events, attempts, or ledger effects classified as duplicates within a defined population and…
Payment Ecosystem
A payment ecosystem is the connected set of users, merchants, banks, issuers, acquirers, processors, networks, wallets, regulators, technology providers, and settlement institutions…
Payment Endpoint
A payment endpoint is a specific API route that creates, retrieves, changes, or reports a payment-related resource or operation. Production use of…
Payment Engine
A payment engine is software that executes core payment logic across methods and providers. It can validate requests, select routes, calculate fees,…
Payment Error
A payment error is a technical, validation, configuration, business-rule, or external-provider problem that prevents or changes expected payment processing. An error can…
Payment Error Rate
Payment error rate is the percentage of eligible payment attempts, requests, events, or transactions that encounter defined errors during a stated period.…
Payment Event
A payment event is a recorded occurrence representing a payment lifecycle change or related action. Examples include creation, authorization, detection, confirmation, failure,…
Payment Event Acknowledgement
Payment Event Acknowledgement is a signal that a payment event was received or accepted by a broker or consumer. It may indicate…
Payment Event Causation ID
Payment Event Causation ID is an identifier that points to the command or event that directly caused a payment event to be…
Payment Event Consumer
Payment Event Consumer is a service, process, or application that receives and handles payment events. A consumer may update projections, trigger notifications,…
Payment Event Correlation ID
Payment Event Correlation ID is an identifier used to associate payment events, commands, requests, logs, and external calls that belong to the…
Payment Event Deduplication
Payment Event Deduplication is the detection and suppression or safe handling of repeated delivery or production of the same logical payment event.…
Payment Event Delivery
Payment Event Delivery is the transfer of a payment event from a producer or event store to one or more intended consumers.…
Payment Event ID
Payment Event ID is a unique identifier assigned to one specific payment event instance. It supports deduplication, evidence retrieval, replay controls, and…
Payment Event Key
Payment Event Key is a stable value used to route, partition, group, or order payment events around a relevant business entity. Common…
Payment Event Ordering
Payment Event Ordering is the rules and guarantees governing the relative processing sequence of payment events. Ordering may be global, per partition,…
Payment Event Partition
Payment Event Partition is a logical shard of a payment event stream used to distribute storage and processing while preserving selected ordering…
Payment Event Payload
Payment Event Payload is the business data carried by a payment event in addition to its standard envelope and metadata. It may…
Payment Event Processing
Payment event processing consumes, validates, orders, deduplicates, stores, and acts on payment events. It updates state, triggers downstream workflows, produces ledger effects,…
Payment Event Producer
Payment Event Producer is a service, process, or application that creates and publishes payment events. The producer is responsible for event meaning,…
Payment Event Replay
Payment Event Replay is the controlled re-delivery or reprocessing of previously stored payment events. Replay is used to rebuild projections, recover consumers,…