How to go about executing this GET request to get the Temporary token for Redgifs

Please help me to get temporary token for API access from Redgifs. below is the instrution from their wiki. i do not know how to make the GET request. when i tried to send a get request to "https://api.redgifs.com/v2/auth/temporary HTTP/1.1". i get 404 error. Am i missing any header information. please advise

The details from wiki:

• GET /v2/auth/temporary HTTP/1.1
• Host: api.redgifs.com

Accept: application/json

{"token":"...","addr":"2a00::579f:3c01:b94e","agent":"curl/7.81.0","rtfm":"https://github.com/Redgifs/api/wiki/API-access"}