---
title: Integration overview
url: amazon-pay-checkout/overview.html
---
### Steps to integrate
1. Get set up for integration - register for an Amazon Pay merchant account, create a Sandbox test buyer account, and secure communication.
2. Add the Amazon Pay button wherever buyer starts checkout.
3. Display shipping and payment info to display checkout information, offer shipping options if applicable, and calculate additional costs.
4. Set payment info and redirect to Amazon Pay for processing.
5. Verify & complete checkout was successful, once the buyer returns to your site- after checkout is complete.
6. Manage recurring payments to charge the subscriber for each billing cycle. Only applicable for recurring integration.
7. Manage refunds in case you need to refund a payment.
8. Test your integration thoroughly in Sandbox, using test buyer accounts and simulation strings.
9. Take your integration live by updating the API endpoints.
### Integration sequence diagram
