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SumUp takes cards, Apple Pay and Google Pay on its own page.

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In SumUp

  1. Open API keys in your SumUp dashboard: your profile’s Settings, then the developer Toolkit, then API Keys.
  2. Press Create, name the key, and copy it as it is shown. SumUp does not keep it, so it cannot show it again. It starts with sup_sk_.
  3. Find your merchant code: a short code of letters and digits, such as MK01A8C2. Your SumUp dashboard shows it under your name, at the top left, as your Merchant ID.
There is nothing else to set up in SumUp: each payment tells SumUp where to report.

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In Shoply

  1. In your Shoply dashboard, open Settings, then Payment Methods.
  2. Under Add a Payment Method, find SumUp and press Connect.
  3. Paste the key into API Key and the code into Merchant Code.
  4. Press Test Connection to try what you pasted, then Connect App.
Saving asks SumUp for that account with that key, so a code the key is not for is refused. Test Connection says whether the account is a sandbox one, and which currency it charges in. How SumUp works once it is connected, at the checkout and on an order, is in Payment methods.