---
title: "Android"
description: "Choose an integration guide for SumUp in-person payments on Android."
image: "https://developer.sumup.com/og/index.png"
---

> Documentation Index
> Fetch the complete documentation index at: https://developer.sumup.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Android

Use the Android reader SDK for Bluetooth card readers. Tap to Pay on Android uses a separate SDK with its own dependencies and authentication.

Start with the [quickstart](/terminal-payments/sdks/android/quickstart/) to take your first sandbox payment with a card reader.

## At a glance

|                         |                                                                      |
| ----------------------- | -------------------------------------------------------------------- |
| Languages               | Kotlin and Java                                                      |
| Reader SDK distribution | Maven (`com.sumup:merchant-sdk`)                                     |
| Source and samples      | [Android SDK repository](https://github.com/sumup/sumup-android-sdk) |

## Integration guides

- [Set up the SDK](/terminal-payments/sdks/android/setup/)
- [Authenticate a merchant](/terminal-payments/sdks/android/authentication/)
- [Connect and manage readers](/terminal-payments/sdks/android/readers/)
- [Accept reader payments](/terminal-payments/sdks/android/payments/)
- [Accept Tap to Pay payments](/terminal-payments/sdks/android/tap-to-pay/)
- [Reference and errors](/terminal-payments/sdks/android/reference/)

## Testing and offline payments

- [Set up a sandbox merchant](/terminal-payments/quickstart/#sandbox-merchant-account).
- [Test successful payments and declines](/terminal-payments/testing/).
- [Accept offline reader payments](/terminal-payments/offline-payments/). Tap to Pay does not support offline payments.

## Sample app

SumUp provides a sample app which implements main SDK components. You can find the app under [App directory](https://github.com/sumup/sumup-android-sdk/tree/master/app) of the repository.

## Out of scope

The following functions are handled by the [SumUp APIs](/api/):

- [Refunds](/api/transactions/refund/)
- [Transaction history](/api/transactions/list/)
- [Receipts](/api/receipts/get/)
- [Account management](/api/tags/merchants/)
- [Online Payments](/online-payments/)

## Community

- **Questions?** Get in contact with our integration team through the [contact form](/contact).
- **Found a bug?** [Open an issue](https://github.com/sumup/sumup-android-sdk/issues/new).
  Please provide as much information as possible.

## Changelog

See the [SumUp Changelog](/changelog/) for updates.

## License

The SDK is available under the [Apache License 2.0](https://github.com/sumup/sumup-android-sdk/blob/master/LICENSE).

Source: https://developer.sumup.com/terminal-payments/sdks/android/index.mdx