How To Add A Dynamic Attribute through REST API add-on?

is it possiable to manage dynamic attribute of entity through rest api ?
and to add value into the attribute through rest api ?

Hi,

It should work. You can set up dynamic attribute value with plus symbol, for example:

URL: http:///v2/entities/test$Organization/3671f693-4507-968a-2527-ecb58e3699e4
PAYLOAD: {"+OrganizationLocationType": “Office”}