help please

[hygorfragas 5]

the error is right in front of me I know! but I can't solve it, I've already looked at the api documentation and I believe I'm doing it correctly, but even so when I make a GET call I always have this error. the attached images are of the error and the fields that contain

[Luke 42077]

HI, you'll need to look at the payload of the actual request in order to find out what's missing. I can't tell what's wrong from that screenshot, but it appears to be missing headers.

[hygorfragas 5]

how to insert them correctly? what to insert?

[Luke 42077]

Quote

you'll need to look at the payload of the actual request in order to find out what's missing

And

https://github.com/MediaBrowser/Emby/wiki

[hygorfragas 5]

I will read it again 

[Luke 42077]

Let us know how you get on. Thanks.

[hygorfragas 5]

unfortunately I don't know what's missing! I've added more header and nothing. in postman just the url of the call is enough. please help me with some suggestions

 

[hygorfragas 5]

looks like I got a different answer! using postman I visualized that the call is only completed when the (Host) is checked. which host should i put? the host syntax is this Host: 

host:port

where do I find?