Методы HTTP:

• GET
• POST
• PUT
• PATCH
• DELETE
• OPTIONS

Заголовки запроса:

• HOST
• User-Agent
• Referer
• Authorization
• Cookie
• Range
• Cache-Control
• If-Modified-Since
• If-None-Match
• Accept
• Accept-encoding
• Accept-language
• Content-type
• Content-encoding
• Connection

https://wizardzines.com/comics/request-headers/