generated: '2026-06-20'
method: searched
source: https://developers.cash.app/cash-app-pay-partner-api/guides/pay-kit-sdk
docs:
- https://developers.cash.app/cash-app-pay-partner-api/guides/pay-kit-sdk/pay-kit-web-overview/getting-started
- https://developers.cash.app/cash-app-pay-partner-api/guides/pay-kit-sdk/pay-kit-i-os/ui-components
- https://developers.cash.app/cash-app-pay-partner-api/guides/pay-kit-sdk/pay-kit-android/ui-components
families:
- name: Pay Kit (Web)
  kind: hosted-js-checkout-component
  loader: https://kit.cash.app/v1/pay.js
  sandbox_loader: https://sandbox.kit.cash.app/v1/pay.js
  bundling: forbidden - must load from Cash App CDN (security + PCI)
  entry: window.CashApp.pay({ clientId })
  behavior: desktop QR code + mobile app redirect; emits lifecycle events (e.g. CUSTOMER_REQUEST_APPROVED)
  components: [Cash App Pay button, QR/redirect payment surface]
- name: Pay Kit (iOS)
  kind: native-ui-sdk
  repo: https://github.com/cashapp/cash-app-pay-sdk-ios
  components: [Cash App Pay button UI component]
- name: Pay Kit (Android)
  kind: native-ui-sdk
  repo: https://github.com/cashapp/cash-app-pay-android-sdk
  components: [Cash App Pay button UI component]
- name: Pay Kit (React Native)
  kind: cross-platform-ui
  docs: https://developers.cash.app/cash-app-pay-partner-api/guides/pay-kit-sdk/pay-kit-web-overview/react-native-requirements
note: |
  Pay Kit is the client-side embeddable checkout surface (distinct from the server-side REST APIs).
  The web SDK is a CDN-hosted component; iOS/Android are native UI SDKs (also listed in packages/).