Core Concepts & Data Models Overview - Introduction & Quick Start

This page introduces the main entities in the Revolv3 API and how they fit together. Use it as a map before you read the detailed guides for each concept.

Entities at a Glance

Entity	Role	Learn more
Merchant	Your Revolv3 account and its settings (processors, defaults, order channels).	Merchant Settings, Order Processing Channels
Customer	Optional record for a payer; links payments, subscriptions, and payment methods.	Customer
PaymentMethod	Stored payment credentials (card, ACH, etc.) used to charge a customer.	Payment Method Guide, ACH Direct Debit
Invoice	Billing document for a charge; holds amount, line items, and state.	Invoice Status, Get Invoices API
Attempt	A single try to pay an invoice (e.g. one card charge or one ACH pull). One invoice can have multiple attempts.	Get Invoice Details
Subscription	Recurring billing plan; creates invoices on a schedule and optionally links to a customer and payment method.	Create a Subscription, Billing Plans

For status values and enums used across these entities, see Statuses & enums.

Security Best Practices Create a Payment Method

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