AddSite Endpoint not working

[jorgeferreira008]

Hi, i make this request to add a website via API and always return this error.

"Specific parameters are invalid!"

my request: array(14) { ["request_token"]=> string(32) "4e902894dc170ab568357caaf24bca8c" ["request_time"]=> int(1653910841) ["webname"]=> string(58) "{"domain":"ola.domain.com","domainlist":[],"count":0}" ["type"]=> string(3) "PHP" ["port"]=> int(80) ["ps"]=> string(19) "ola_domain_fun" ["path"]=> string(32) "/www/wwwroot/ola.domain.com" ["type_id"]=> int(0) ["version"]=> int(80) ["ftp"]=> bool(false) ["sql"]=> bool(false) ["codeing"]=> string(4) "utf8" ["set_ssl"]=> int(0) ["force_ssl"]=> int(0) }