# Back-end app example

Build a Stripe app that performs back-end processing with no user interface.

## Index

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

- [Platform key](https://docs.stripe.com/stripe-apps/back-end-app-example.md?app-auth-type=platform)
- [OAuth 2.0](https://docs.stripe.com/stripe-apps/back-end-app-example.md?app-auth-type=oauth)
- [Restricted API key (RAK)](https://docs.stripe.com/stripe-apps/back-end-app-example.md?app-auth-type=rak)