Architecture Overview

Explain the major PayPress systems and how they fit together.

Checkout Launcher Architecture

Describe how PayPress starts Stripe Checkout while keeping public marketing pages cacheable.

Webhook Ownership Validation

Explain how PayPress decides whether a Stripe event belongs to the local WordPress installation.

Installation Identity

Document how PayPress identifies a WordPress installation.

Orders Data Model

Describe the local PayPress order record, what it stores, and the timestamp invariants every order persistence path must preserve.

Subscription Data Model

Describe the local PayPress subscription record.

Payment Forms Data Model

Explain how PayPress stores form definitions and order response snapshots.

Fundraising Snapshot Architecture

Explain how PayPress calculates and exposes fundraising campaign state.

Fundraising REST Hydration

Describe how PayPress keeps cached fundraising pages fresh.

Checkout Context Architecture

Explain the durable storage layer used between front-end submission and webhook order creation.

Refund Architecture

Explain how PayPress submits refunds and keeps local status synchronized.

Analytics Architecture

Describe how PayPress Analytics retrieves and presents Stripe account metrics.

Cache Strategy

Explain PayPress cache behavior for public pages, dynamic state, and transactional endpoints.

Webhook Processing Flow

Document the order of operations when PayPress receives a Stripe webhook.

Order Creation Flow

Explain how PayPress creates, updates, enriches, and timestamp-protects local orders.

Subscription Renewal Flow

Explain how subscription renewal invoices become PayPress orders.

Installation UUID Design

Explain the design rules behind the PayPress installation UUID.

Admin Design System

Document the PayPress admin UI foundation.

Security Model

Summarize PayPress security boundaries and trust decisions.

Uninstall Behavior

Explain how PayPress handles data removal when the plugin is deleted.

Diagnostics and Event Timeline

Explain the PayPress diagnostics system and how operational events are surfaced to merchants and technical users.

Stripe Metadata Strategy

Document what PayPress stores in Stripe metadata and why.

Multi-Installation Safety

Explain how PayPress handles multiple WordPress sites connected to the same Stripe account.

Future Extension Points

Identify safe architectural paths for future PayPress features.