python http request post json example

1>>> import requests
2>>> r = requests.post('http://httpbin.org/post', json={"key": "value"})
3>>> r.status_code
4200
5>>> r.json()
6{'args': {},
7 'data': '{"key": "value"}',
8 'files': {},
9 'form': {},
10 'headers': {'Accept': '*/*',
11             'Accept-Encoding': 'gzip, deflate',
12             'Connection': 'close',
13             'Content-Length': '16',
14             'Content-Type': 'application/json',
15             'Host': 'httpbin.org',
16             'User-Agent': 'python-requests/2.4.3 CPython/3.4.0',
17             'X-Request-Id': 'xx-xx-xx'},
18 'json': {'key': 'value'},
19 'origin': 'x.x.x.x',
20 'url': 'http://httpbin.org/post'}