auth-bearer: ********************
curl --location --request GET '/budget/document/' \ --header 'auth-bearer: <api-key>'
{ "base64": "JVBERi0xLjMKJcTl8uXrp/Og0MTGCjQgMCBvYmoKPDwKL0xlbmd0aCA1IDAgUi9UeXBlIC9UYWJ..." }