Twitter API use http post, BotChief can use http post too.
So you can use BotChief to work with twitter api.
Explanations of the fields on "HttpGet" and "Http Post"
Request URL: the HTTP GET/POST requested address
Referer: The HTTP referer (originally amisspelling of referrer) is an HTTP header field that identifies the address of the webpage (i.e. the URI or IRI) that linked to the resource being requested.
Encoding: the code on the page
Timeout: timeout when submit request
UserAgent: It is often used for content negotiation, where the origin server selects suitable content or operating parameters for the response.
Proxy: the proxy when submit request
Cookie: the cookie when submit request
Data: Posting data in HTTP POST
DataType: MIME-Type of the request body
If you need to know more information about the HTTP GET/POST, please go to Wikipedia