Core Concepts

Understanding these core concepts will help you build effective integrations with Flintn.

What You'll Learn

This section covers the fundamental concepts behind Flintn's payment processing:

• Subscription Plans - Different plan types, configuration options, and lifecycle management

• Retry Strategies - Automatic retry schedules for failed subscription renewals

Key Terms

Term	Description
Subscription Plan	A template that defines pricing, billing frequency, and retry behavior for recurring payments
Client Session	A secure, time-limited token used to initialize the payment iframe
Transaction	A record of a payment operation (authorization, capture, refund, etc.)
Retry Strategy	An automatic retry schedule with optional discounts for failed subscription renewals

How It All Fits Together

1. Create a Subscription Plan - Define your pricing and billing terms

2. Generate a Client Session - Create a secure token for the payment iframe

3. Collect Payment - Customer completes payment via the iframe

4. Manage Subscription - Handle renewals, cancellations, and failed payments

Next Steps

• Subscription Plans - Learn about plan types and configuration

• Quickstart Guide - Get started with your first integration