---
title: x402
description:
  Apply x402 patterns in a product context and map payment-triggered requests to
  onchain behavior.
---

## Project goal

Understand how app requests, payment rules, and transaction flows connect.

## Checkpoints

- Identify where payment intent is created and validated.
- Trace the request flow from client action to onchain execution.
- Document the assumptions your integration makes about settlement and retries.