The new possible request error (invalid_idempotency_key_length) has been included, which can be returned by the Orders API for Checkout API, indicating that the value sent in the "X-Idempotency-Key" header exceeded the maximum allowed length, which is 64 characters.

The Tip amount ("TIP_AMOUNT") column has been added to the Account balance Report. This column will display the tip amount received in the transaction.

We have included the "threeds" parameter as one of the fields returned in the GET from the Payments API. This field will provide the status of the 3DS (3D Secure) security protocol, which is used for authenticating online card transactions.

New possible request errors have been included that may be returned by the Orders API for the Checkout API, as follows:

• "order_invalid_sponsor_id"
• "invalid_header_value"
• "order_refund_already_in_process"
• "invalid_credentials"
  
  For more details about these and other possible errors, as well as how to fix them, please check the Possible errors documentation.