curl -X "POST" "https://api.rusic.com/participants" \
	-H "Accept: application/vnd.rusic.v1+json" \
	-H "X-API-Key: abc123" \
	-d "participant[provider]=saml" \
	-d "participant[name]=Joe Bloggs " \
	-d "participant[nickname]=joebloggs" \
	-d "participant[uid]=joebloggs@example.com" \
	-d "participant[oauth_token]=xyz"

// Create (POST https://api.rusic.com/participants)

$.ajax({
    url: "https://api.rusic.com/participants",
    type: "POST",
    headers:{
        "Accept":"application/vnd.rusic.v1+json",
        "X-API-Key":"abc123",
    },
    contentType:"application/x-www-form-urlencoded",
    data:{
        "participant[provider]":"saml",
        "participant[name]":"Joe Bloggs ",
        "participant[nickname]":"joebloggs",
        "participant[uid]":"joebloggs@example.com",
        "participant[oauth_token]":"xyz",
    },
    success:function(data, textStatus, jqXHR){
        console.log("HTTP Request Succeeded: " + jqXHR.status);
        console.log(data);
    },
    error:function(jqXHR, textStatus, errorThrown){
        console.log("HTTP Request Failed");
    }
});

// Create (POST https://api.rusic.com/participants)

NSURL* URL = [NSURL URLWithString:@"https://api.rusic.com/participants"];
NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL:URL];
request.HTTPMethod = @"POST";

// Headers

[request addValue:@"application/vnd.rusic.v1+json" forHTTPHeaderField:@"Accept"];
[request addValue:@"abc123" forHTTPHeaderField:@"X-API-Key"];

// Form URL-Encoded Body

NSDictionary* bodyParameters = @{
	@"participant[provider]": @"saml",
	@"participant[name]": @"Joe Bloggs ",
	@"participant[nickname]": @"joebloggs",
	@"participant[uid]": @"joebloggs@example.com",
	@"participant[oauth_token]": @"xyz",
};
request.HTTPBody = [NSStringFromQueryParameters(bodyParameters) dataUsingEncoding:NSUTF8StringEncoding];

// Connection

NSURLConnection* connection = [NSURLConnection connectionWithRequest:request delegate:nil];
[connection start];

/*
 * Utils: Add this section before your class implementation
 */

/**
 This creates a new query parameters string from the given NSDictionary. For
 example, if the input is @{@"day":@"Tuesday", @"month":@"January"}, the output
 string will be @"day=Tuesday&month=January".
 @param queryParameters The input dictionary.
 @return The created parameters string.
*/
static NSString* NSStringFromQueryParameters(NSDictionary* queryParameters)
{
    NSMutableArray* parts = [NSMutableArray array];
    [queryParameters enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) {
        NSString *part = [NSString stringWithFormat: @"%@=%@",
            [key stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding],
            [value stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding]
        ];
        [parts addObject:part];
    }];
    return [parts componentsJoinedByString: @"&"];
}

/**
 Creates a new URL by adding the given query parameters.
 @param URL The input URL.
 @param queryParameters The query parameter dictionary to add.
 @return A new NSURL.
*/
static NSURL* NSURLByAppendingQueryParameters(NSURL* URL, NSDictionary* queryParameters)
{
    NSString* URLString = [NSString stringWithFormat:@"%@?%@",
        [URL absoluteString],
        NSStringFromQueryParameters(queryParameters),
    ];
    return [NSURL URLWithString:URLString];
}

require 'net/http'

def send_request
  # Create (POST )

  begin
    uri = URI('https://api.rusic.com/participants')

    # Create client
    http = Net::HTTP.new(uri.host, uri.port)

    data = {
      "participant[provider]" => "saml",
      "participant[name]" => "Joe Bloggs ",
      "participant[nickname]" => "joebloggs",
      "participant[uid]" => "joebloggs@example.com",
      "participant[oauth_token]" => "xyz",
    }
    body = URI.encode_www_form(data)

    # Create Request
    req =  Net::HTTP::Post.new(uri)
    # Add headers
    req.add_field "Accept", "application/vnd.rusic.v1+json"
    # Add headers
    req.add_field "X-API-Key", "abc123"
    # Set header and body
    req.body = body

    # Fetch Request
    res = http.request(req)
    puts "Response HTTP Status Code: #{res.code}"
    puts "Response HTTP Response Body: #{res.body}"
  rescue Exception => e
    puts "HTTP Request failed (#{e.message})"
  end
end