Architecture

The MoonPay On-Ramp is a standalone widget product with an optional API and webhooks for an enhanced user experience. We provide web and mobile SDKs to render the widget in your app and a backend Node SDK for performing server-side functions.

Components for on-ramp integrations

Component	Features
Web SDKs	Parameters to pre-fill cryptocurrency, amount, user email, etc. Includes communication layer between partner apps and the MoonPay widget
Mobile SDKs	SDKs for iOS and Android apps
Node SDK	Perform server-side functions, like URL signing
MoonPay API	Get minimum / maximum purchase amounts Get buy quote Show transaction history
Webhooks	Get transaction updates
Legacy integration	An alternative to using our SDKs Generate MoonPay widget links to show the widget in an iframe

High-level diagram

This diagram shows a basic crypto purchase flow and the components required for implementation. We recommend using our API and webhooks to provide helpful context in your app, including minimum / maximum purchase amounts, quotes, and transaction history.