The Accept header is used to inform the server by the client that which content type is understandable by the client expressed as MIME-types.
Valid input (returns xml - any other value returns json):
*/*
application/*
application/xml
Example: */*

Type: Bearer token.
State-of-art implementation. Check documentation Authorization and Connecting to the API
Example (shortend): Bearer eyJ0eXAiOiJKV1QiLCJhb...

Mediatype of input resource. Boundary is a delimiter of data parts in the input. Format: multipart/form-data; boundary=[string].
Example: multipart/form-data; boundary=-----xyz

X-ContentType is not required but may be in the future. Clients are encouraged to set the value to text/pain001.

Currently Accept-Response must be set to pain.002.001.03. Other options may be available in the future.

Unique value generated by the user which the API uses to recognize subsequent retries of the same request.
This field is limited to a maximum of 100 characters, if not upheld the API will return with an error 400 - Bad Request.
Example: 2b7b05ad-4411-4a19-8c95-2508b17e0fd8