get https://api.nexiopaysandbox.com/transaction/v3/paymentTypes
Returns an array listing all possible card types for transactions in Nexio.
See also the Card type (cardType) section of "Constant transaction values" in Guides.
Note
It is not possible to use this endpoint to see the possible card types that your merchant account can accept. That is dependent on the connections that you have for your account.
Try It
To use the Try It feature for this endpoint, you must use the credentials for your Sandbox API user.