I’ve contacted support and got confirmation that contacts filtering doesn’t currently work with API v3. I was suggested to use API v1 for now as a workaround, with filters[fields][%PERSTAG%]=Value
I’ve contacted support and got confirmation that contacts filtering doesn’t currently work with API v3. I was suggested to use API v1 for now as a workaround, with filters[fields][%PERSTAG%]=Value