# Design a custom integration

Learn which choices you need to make before building a custom Payment Element integration.

## Index

This article has multiple variants. Fetch one of the following URLs to view specific content for your use case:

- [Checkout Sessions API](https://docs.stripe.com/payments/payment-element/design-an-integration.md?payment-ui=embedded-components)
- [Payment Intents API](https://docs.stripe.com/payments/payment-element/design-an-integration.md?payment-ui=elements)