Rail Station Information

Rail line and station information, including locations, fares, times, and parking.

JSON - Station Entrances

Description

Returns a list of nearby station entrances based on latitude, longitude, and radius (meters). Omit search parameters to return all station entrances.

Response Elements

Element Description
Entrances Array containing detailed information about station entrances (StationEntrance).
StationEntrance Elements
Description Additional information for the entrance, if available. Currently available data usually shows the same value as the Name element.
ID Deprecated.
Lat Latitude.
Lon Longitude.
Name Name of the entrance (usually the station name and nearest intersection).
StationCode1 The station code associated with this entrance. Use this value in other rail-related APIs to retrieve data about a station.
StationCode2 For stations containing multiple platforms (e.g.: Gallery Place, Fort Totten, L'Enfant Plaza, and Metro Center), the other station code.

Try it

Request URL

Request parameters

(optional)
number

Center point Latitude, required if Longitude and Radius are specified.

(optional)
number

Center point Longitude, required if Latitude and Radius are specified.

(optional)
number

Radius (meters) to include in the search area, required if Latitude and Longitude are specified.

Request headers

string
Subscription key which provides access to this API. Found in your Profile.

Request body

Response 200

Default response code.

{
    "Entrances": [
        {
            "Description": "Farragut West, 17th & I St",
            "ID": "100",
            "Lat": 38.901098,
            "Lon": -77.039293,
            "Name": "Farragut West 17th & I St",
            "StationCode1": "C03",
            "StationCode2": ""
        },
        {
            "Description": "Farragut West, 18th & I St",
            "ID": "101",
            "Lat": 38.901453,
            "Lon": -77.042093,
            "Name": "Farragut West 18th & I St",
            "StationCode1": "C03",
            "StationCode2": ""
        }
    ]
}

Code samples

@ECHO OFF

curl -v -X GET "https://api.wmata.com/Rail.svc/json/jStationEntrances?Lat=38.8978168&Lon=-77.0404246&Radius=500"
-H "api_key: {subscription key}"

--data-ascii "{body}" 

using System;
using System.Net.Http.Headers;
using System.Text;
using System.Net.Http;
using System.Web;

namespace CSHttpClientSample
{
    static class Program
    {
        static void Main()
        {
            MakeRequest();
            Console.WriteLine("Hit ENTER to exit...");
            Console.ReadLine();
        }
        
        static async void MakeRequest()
        {
            var client = new HttpClient();
            var queryString = HttpUtility.ParseQueryString(string.Empty);

            // Request headers
            client.DefaultRequestHeaders.Add("api_key", "{subscription key}");

            // Request parameters
            queryString["Lat"] = "38.8978168";
            queryString["Lon"] = "-77.0404246";
            queryString["Radius"] = "500";
            var uri = "https://api.wmata.com/Rail.svc/json/jStationEntrances?" + queryString;

            var response = await client.GetAsync(uri);
        }
    }
}	
// // This sample uses the Apache HTTP client from HTTP Components (http://hc.apache.org/httpcomponents-client-ga/)
import java.net.URI;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class JavaSample 
{
    public static void main(String[] args) 
    {
        HttpClient httpclient = HttpClients.createDefault();

        try
        {
            URIBuilder builder = new URIBuilder("https://api.wmata.com/Rail.svc/json/jStationEntrances");

            builder.setParameter("Lat", "38.8978168");
            builder.setParameter("Lon", "-77.0404246");
            builder.setParameter("Radius", "500");

            URI uri = builder.build();
            HttpGet request = new HttpGet(uri);
            request.setHeader("api_key", "{subscription key}");


            // Request body
            StringEntity reqEntity = new StringEntity("{body}");
            request.setEntity(reqEntity);

            HttpResponse response = httpclient.execute(request);
            HttpEntity entity = response.getEntity();

            if (entity != null) 
            {
                System.out.println(EntityUtils.toString(entity));
            }
        }
        catch (Exception e)
        {
            System.out.println(e.getMessage());
        }
    }
}


<!DOCTYPE html>
<html>
<head>
    <title>JSSample</title>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
</head>
<body>

<script type="text/javascript">
    $(function() {
        var params = {
            "api_key": "{subscription key}",
            // Request parameters
            "Lat": "38.8978168",
            "Lon": "-77.0404246",
            "Radius": "500",
        };
      
        $.ajax({
            url: "https://api.wmata.com/Rail.svc/json/jStationEntrances?" + $.param(params),
            type: "GET",
        })
        .done(function(data) {
            alert("success");
        })
        .fail(function() {
            alert("error");
        });
    });
</script>
</body>
</html>

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[])
{
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    
    NSString* path = @"https://api.wmata.com/Rail.svc/json/jStationEntrances";
    NSArray* array = @[
                         // Request parameters
                         @"entities=true",
                         @"Lat=38.8978168",
                         @"Lon=-77.0404246",
                         @"Radius=500",
                      ];
    
    NSString* string = [array componentsJoinedByString:@"&"];
    path = [path stringByAppendingFormat:@"?%@", string];

    NSLog(@"%@", path);

    NSMutableURLRequest* _request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:path]];
    [_request setHTTPMethod:@"GET"];
    // Request headers
    [_request setValue:@"{subscription key}" forHTTPHeaderField:@"api_key"];
    // Request body
    [_request setHTTPBody:[@"{body}" dataUsingEncoding:NSUTF8StringEncoding]];
    
    NSURLResponse *response = nil;
    NSError *error = nil;
    NSData* _connectionData = [NSURLConnection sendSynchronousRequest:_request returningResponse:&response error:&error];

    if (nil != error)
    {
        NSLog(@"Error: %@", error);
    }
    else
    {
        NSError* error = nil;
        NSMutableDictionary* json = nil;
        NSString* dataString = [[NSString alloc] initWithData:_connectionData encoding:NSUTF8StringEncoding];
        NSLog(@"%@", dataString);
        
        if (nil != _connectionData)
        {
            json = [NSJSONSerialization JSONObjectWithData:_connectionData options:NSJSONReadingMutableContainers error:&error];
        }
        
        if (error || !json)
        {
            NSLog(@"Could not parse loaded json with error:%@", error);
        }
        
        NSLog(@"%@", json);
        _connectionData = nil;
    }
    
    [pool drain];

    return 0;
}

<?php
// This sample uses the Apache HTTP client from HTTP Components (http://hc.apache.org/httpcomponents-client-ga/)
require_once 'HTTP/Request2.php';

$request = new Http_Request2('https://api.wmata.com/Rail.svc/json/jStationEntrances');
$url = $request->getUrl();

$headers = array(
    // Request headers
    'api_key' => '{subscription key}',
);

$request->setHeader($headers);

$parameters = array(
    // Request parameters
    'Lat' => '38.8978168',
    'Lon' => '-77.0404246',
    'Radius' => '500',
);

$url->setQueryVariables($parameters);

$request->setMethod(HTTP_Request2::METHOD_GET);

// Request body
$request->setBody("{body}");

try
{
    $response = $request->send();
    echo $response->getBody();
}
catch (HttpException $ex)
{
    echo $ex;
}

?>
########### Python 2.7 #############
import httplib, urllib, base64

headers = {
    # Request headers
    'api_key': '{subscription key}',
}

params = urllib.urlencode({
    # Request parameters
    'Lat': '38.8978168',
    'Lon': '-77.0404246',
    'Radius': '500',
})

try:
    conn = httplib.HTTPSConnection('api.wmata.com')
    conn.request("GET", "/Rail.svc/json/jStationEntrances?%s" % params, "{body}", headers)
    response = conn.getresponse()
    data = response.read()
    print(data)
    conn.close()
except Exception as e:
    print("[Errno {0}] {1}".format(e.errno, e.strerror))

####################################

########### Python 3.2 #############
import http.client, urllib.request, urllib.parse, urllib.error, base64

headers = {
    # Request headers
    'api_key': '{subscription key}',
}

params = urllib.parse.urlencode({
    # Request parameters
    'Lat': '38.8978168',
    'Lon': '-77.0404246',
    'Radius': '500',
})

try:
    conn = http.client.HTTPSConnection('api.wmata.com')
    conn.request("GET", "/Rail.svc/json/jStationEntrances?%s" % params, "{body}", headers)
    response = conn.getresponse()
    data = response.read()
    print(data)
    conn.close()
except Exception as e:
    print("[Errno {0}] {1}".format(e.errno, e.strerror))

####################################
require 'net/http'

uri = URI('https://api.wmata.com/Rail.svc/json/jStationEntrances')

query = URI.encode_www_form({
    # Request parameters
    'Lat' => '38.8978168',
    'Lon' => '-77.0404246',
    'Radius' => '500'
})

if uri.query && uri.query.length > 0
    uri.query += '&' + query
else
    uri.query = query
end

request = Net::HTTP::Get.new(uri.request_uri)
# Request headers
request['api_key'] = '{subscription key}'
# Request body
request.body = "{body}"

response = Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
    http.request(request)
end

puts response.body