>>.setRequestHeader() must be executed between an .open() and a .send(): that is, first you open, then you set the headers, and only afterward you send the call.
>
>Correct Antonio, thank you, now I just need to put this headers into vfp,
>
>

>curl -X GET --header 'Accept: application/json' --header 'Authorization: bearer eyJ0..very..long..token..qg' 'https://api-xxinvoicing-co-.com/api/xxnasw/companies'
>
>***this is not working:
>.open("GET", cdom, .F.) 
>.setRequestHeader("Accept:", "application/json")
>.setRequestHeader("Authorization:", "bearer "+ckey)
>
>.Send()
>

Calling through curl is working ok?