Example of using org mode as HTTP client. Requires ob-http.

http-client._org

* Configuration
#+name: current_env
: staging

#+name: get-env
#+begin_src python :var key="host" :var env=current_env :results silent
return {
    "staging": {"host": "httpbin.org", "key": "staging-api-key"},
    "prod": {"host": "httpbin.org", "key": "production-api-key"},
}[env][key]
#+end_src

* API tests
:PROPERTIES:
:header-args: :var host=get-env :var key=get-env("key") :schema https :pretty
:END:

#+BEGIN_SRC http
GET ${host}/anything
x-api-key: ${key}
#+END_SRC

#+RESULTS:
#+begin_example
{
  "args": {},
  "data": "",
  "files": {},
  "form": {},
  "headers": {
    "Accept": "*/*",
    "Host": "httpbin.org",
    "User-Agent": "curl/7.72.0",
    "X-Amzn-Trace-Id": "Root=1-5fea33c9-762b66ad616863ba65cf0ce5",
    "X-Api-Key": "staging-api-key"
  },
  "json": null,
  "method": "GET",
  "origin": "000.000.000.000",
  "url": "http://httpbin.org/anything"
}
#+end_example