We have released a few new endpoints in the last days:

Directdebits & Mandates; On a mandate direct debit transactions are executed. You can create a mandate for a single direct debit transaction, for recurring direct debit transactions of for flexible direct debit transactions. Note you need to have additional permissions to use these new endpoints. Please contact your contactperson within Pay.
We introduced a Refunds:Browse endpoint and adjusted the output of the Refunds:Get (is backwards compatible according our API definition. You can use the Refunds:Browse endpoint to get a list of all executed refund transactions.

Also some smaller improvements and bugfixes:

We made the integrationCode field and the authenticationTokens object in the Merchant:Create endpoint optional. Note if no authenticationToken is supplied we will automatically create a default token in your merchant account.
In the Terminals:Create endpoint the description fields is now optional