curl -sv -b /tmp/cookie-jar.txt -c /tmp/cookie-jar.txt "http://api.olhovivo.sptrans.com.br/v0/Previsao?codigoParada=700016792&codigoLinha=307" | jq .

> GET /v0/Previsao?codigoParada=700016792&codigoLinha=307 HTTP/1.1
> User-Agent: curl/7.22.0 (i686-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3
> Host: api.olhovivo.sptrans.com.br
> Accept: */*
> Cookie: apiCredentials=E87C1CA3864AF6323A05D598B01AF2539D58028DF6E9D494759AB93B264D27C80ABC787963640240B3D7065356DF49991474998102EC4625D1CFD156B0BD80A0DEDCD3EDE83A466A9CCC82168D38198D194EFEA4D6AF6691C604AC4096C6CFBF2DDC267959DC8752EA8937A888849DF7F51088BECA910E2285CA94CA37E6A9170B89B7D8BB2DC25AF43CDE2032C76423D7BD3E19727FB407C6C7FFDAC6ED6A64262012C8CB87428819E3BF08FC68634DC4AE2DE591C03AE7DADE86883E933A7214991747E9EF2499C909BAE6449ADF9D
>
< HTTP/1.1 200 OK
< Cache-Control: no-cache
< Pragma: no-cache
< Content-Type: application/json; charset=utf-8
< Expires: -1
< Server: Microsoft-IIS/7.5
< X-AspNet-Version: 4.0.30319
< X-Powered-By: ASP.NET
< Date: Sat, 06 Sep 2014 08:52:03 GMT
< Content-Length: 245
<
{
  "hr": "05:52",
  "p": {
    "cp": 700016792,
    "np": "PACAEMBU C/B",
    "py": -23.531864,
    "px": -46.660859,
    "l": [
      {
        "c": "874T-10",
        "cl": 307,
        "sl": 1,
        "lt0": "LAPA",
        "lt1": "IPIRANGA",
        "qv": 1,
        "vs": [
          {
            "p": "51645",
            "t": "06:16",
            "a": true,
            "py": -23.581475,
            "px": -46.63818833333333
          }
        ]
      }
    ]
  }
}