Questions? We’ve got the answers!

SumUp test accounts mirror regular accounts, including sharing the same rules as them. However, test accounts don’t have a connection to service providers, nor do they process transactions with real funds.

Yes. You can request a test account by contacting us through our contact form.

You need to create your key by logging in to the Developer page of the SumUp Dashboard. Details on its implementation can be found in our step-by-step guide.

We provide support coverage on three continents and in the following currencies:

• EUR
• GBP
• USD
• BRL
• CLP
• PLN
• CHF
• SEK
• CZK
• NOK
• DKK
• HUF
• BGN

You can create credentials by logging in on the SumUp Developer page and navigating to the "Create Client Credentials" section. Detailed information on how to authenticate further can be found in our step-by-step guide or in this video.

This error message indicates that the "payments" scope is not enabled for your application. Contact us through our contact form for activation assistance.

Yes, as a SumUp customer you have the option to integrate SumUp’s eCommerce service with a webshop plugin or via direct integration.

SumUp’s official plugin supports integrations with WordPress/WooCommerce.

For PrestaShop users we recommend this plugin developed by a SumUp partner.

For WIX users we recommend following their native solution.

The direct integration option uses the SumUp eCommerce Checkout API, intended for developer utilisation. All information can be found in our Online Payments section. Before following our guides, make sure to request a test account.

The SumUp terminals support iOS & Android.

Our terminals are designed to follow a payment flow that doesn’t allow them to operate unattended.

For Online Payments we offer a PHP SDK.

For Terminals we have an Android SDK, iOS SDK, Android API and an iOS API.

Our API provides endpoints where you can query transaction statuses, either for a single transaction or a list of transactions based on search criteria.

Yes. For web applications running on mobile devices where the SumUp app is installed, you can call the SumUp app via URL. Read more on this preferred merchant approach in our API Payment Switch guide.

Sure. You can reach us through our contact form.