REST SyncLead Blank vs "NULL"

[vladpetrovic]

Hey team,

What is the expected behaviour when updating a lead using the REST SyncLead API (Non Bulk) and passing an empty/blank value? I was under the impression that a blank/null value for a field would ignore the current value of field while passing a string of "NULL" would clear the field.

Is that correct?

Thank you,

Vlad

[SanfordWhiteman · Accepted solution]

You're thinking of forms and flow steps, where because there's no ability to specify an actual null (form values are strings) the string "NULL" is a reserved word that means "set to empty".

This behavior doesn't exist with the REST API because it doesn't need to. JSON explicitly supports null.