Reference: Unsupported characters

For writing operations

There are some limitations regarding writing operations in UltraTimeSeries, this meaning that every HTTP POST request you make will have those limitations.

Every string that could be passed by the user containing any of the following characters will result in a "500 internal server error":

Ampersand ("&")
Dollar ("$")
Plus sign ("+")
Comma (",")
Forward slash ("/")
Colon (":")
Semi-colon (";")
Equals ("=")
Question mark ("?")
'At' symbol ("@")
Pound ("#").
Less than and greater than ("<>")
Open and close brackets ("[]")
Open and close braces ("{}")
Pipe ("|")
Backslash ("\")
Caret ("^")
Percent ("%")