<Microsoft> developer portal

Face API - v1.0

FaceList - Get

Retrieve a face list’s faceListId, name, userData, recognitionModel and faces in the face list.

Http Method

GET

Select the testing console in the region where you created your resource:

Open API testing console

Request URL

https://{endpoint}/face/v1.0/facelists/{faceListId}[?returnRecognitionModel]

Request parameters

faceListId

string

Valid character is letter in lower case or digit or '-' or '_', maximum length is 64.

returnRecognitionModel (optional)

boolean

Return 'recognitionModel' or not. The default value is false.

Request headers

Ocp-Apim-Subscription-Key

string

Subscription key which provides access to this API. Found in your Cognitive Services accounts.

Request body

Response 200

A successful call returns the face list's information.

JSON fields in response body:

Fields	Type	Description
faceListId	String	faceListId of the target face list.
name	String	Face list's display name.
userData	String	User-provided data attached to this face list.
recognitionModel	String	The 'recognitionModel' associated with this face list. This is only returned when 'returnRecognitionModel' is explicitly set as true.
persistedFaces	Array	Faces in the face list.

application/json

{
    "faceListId": "sample_list",
    "name": "list1",
    "userData": "User-provided data attached to the face list.",
    "recognitionModel": "recognition_03",
    "persistedFaces": [
       {
          "persistedFaceId": "B8D802CF-DD8F-4E61-B15C-9E6C5844CCBD",
          "userData": "User-provided data attached to the face."
       },
       …
    ]
}

Response 401

Error code and message returned in JSON:

Error Code	Error Message Description
Unspecified	Invalid subscription Key or user/plan is blocked.

application/json

{
    "error": {
        "code": "Unspecified",
        "message": "Access denied due to invalid subscription key. Make sure you are subscribed to an API you are trying to call and provide the right key."
    }
}

Response 403

application/json

{
    "error": {
        "statusCode": 403,
        "message": "Out of call volume quota. Quota will be replenished in 2 days."
    }
}

Response 404

Error code and message returned in JSON:

Error Code	Error Message Description
PersistedFaceListNotFound	Persisted face list ID is invalid.
PersistedFaceListNotFound	Persisted face list is not found.

application/json

{
    "error": {
        "code": "FaceListNotFound",
        "message": "Face list is not found."
    }
}

Response 409

application/json

{
    "error": {
        "code": ConcurrentOperationConflict,
        "message": "There is a conflict operation on requested resource, please try later."
    }
}

Response 429

application/json

{
    "error": {
        "statusCode": 429,
        "message": "Rate limit is exceeded. Try again in 26 seconds."
    }
}

Code samples

@ECHO OFF

curl -v -X GET "https://*.cognitiveservices.azure.us/face/v1.0/facelists/{faceListId}?returnRecognitionModel=false"
-H "Ocp-Apim-Subscription-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("Ocp-Apim-Subscription-Key", "{subscription key}");

            // Request parameters
            queryString["returnRecognitionModel"] = "false";
            var uri = "https://*.cognitiveservices.azure.us/face/v1.0/facelists/{faceListId}?" + 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://*.cognitiveservices.azure.us/face/v1.0/facelists/{faceListId}");

            builder.setParameter("returnRecognitionModel", "false");

            URI uri = builder.build();
            HttpGet request = new HttpGet(uri);
            request.setHeader("Ocp-Apim-Subscription-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 = {
            // Request parameters
            "returnRecognitionModel": "false",
        };
      
        $.ajax({
            url: "https://*.cognitiveservices.azure.us/face/v1.0/facelists/{faceListId}?" + $.param(params),
            beforeSend: function(xhrObj){
                // Request headers
                xhrObj.setRequestHeader("Ocp-Apim-Subscription-Key","{subscription key}");
            },
            type: "GET",
            // Request body
            data: "{body}",
        })
        .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://*.cognitiveservices.azure.us/face/v1.0/facelists/{faceListId}";
    NSArray* array = @[
                         // Request parameters
                         @"entities=true",
                         @"returnRecognitionModel=false",
                      ];
    
    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:@"Ocp-Apim-Subscription-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://*.cognitiveservices.azure.us/face/v1.0/facelists/{faceListId}');
$url = $request->getUrl();

$headers = array(
    // Request headers
    'Ocp-Apim-Subscription-Key' => '{subscription key}',
);

$request->setHeader($headers);

$parameters = array(
    // Request parameters
    'returnRecognitionModel' => 'false',
);

$url->setQueryVariables($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
    'Ocp-Apim-Subscription-Key': '{subscription key}',
}

params = urllib.urlencode({
    # Request parameters
    'returnRecognitionModel': 'false',
})

try:
    conn = httplib.HTTPSConnection('*.cognitiveservices.azure.us')
    conn.request("GET", "/face/v1.0/facelists/{faceListId}?%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
    'Ocp-Apim-Subscription-Key': '{subscription key}',
}

params = urllib.parse.urlencode({
    # Request parameters
    'returnRecognitionModel': 'false',
})

try:
    conn = http.client.HTTPSConnection('*.cognitiveservices.azure.us')
    conn.request("GET", "/face/v1.0/facelists/{faceListId}?%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://*.cognitiveservices.azure.us/face/v1.0/facelists/{faceListId}')
uri.query = URI.encode_www_form({
    # Request parameters
    'returnRecognitionModel' => 'false'
})

request = Net::HTTP::Get.new(uri.request_uri)
# Request headers
request['Ocp-Apim-Subscription-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