Postal Address Verification API
GetCongressionalDistrictByZip
The GetCongressionalDistrictByZip
method returns the Congressional District data for a given ZIP Code.
Endpoint
GET:https://pav3.esendex.us/PavService.svc/GetCongressionalDistrictByZip?ZipCode={ZIPCODE}&LicenseKey={LICENSEKEY}
Syntax
GetCongressionalDistrictByZip(ZipCode, LicenseKey)
Request Parameters
Parameter Name | Description | Data Type | Required | Sample Value |
---|---|---|---|---|
ZipCode | ZIP Code. | String | True | 23320 |
LicenseKey | Your license key. | String | True | 00000000-0000-0000-0000-000000000000 |
Response
Returns: CongressionalDistrictResponse
object
Code Samples
You can use any programming language you want with our API, as long as it can make a REST or SOAP call. Here are examples for some of the most common platforms.
C#
// https://pav3.esendex.us/PavService.svc?wsdl was added as a Service Reference and given the name WSDL
using WSDL;
var config = PavServiceClient.EndpointConfiguration.pavws_secure;
var client = new PavServiceClient(config);
var zipCode = "23320";
var licenseKey = "YOUR_LICENSE_KEY";
var response = await client.GetCongressionalDistrictByZipAsync(zipCode, licenseKey);
var returnCodeDescription = response.ReturnCode switch
{
0 => "Success",
1 => "Invalid input",
2 => "Invalid license key",
3 => "No match",
4 => "Multiple matches",
_ => "Unknown return code"
};
Console.WriteLine($"Return Code: {response.ReturnCode} - {returnCodeDescription}");
Console.WriteLine($"Congressional District: {response.CongressionalDistrict}");
Console.ReadLine();
JavaScript
const params = new URLSearchParams({
'ZipCode': '23320',
'LicenseKey': '00000000-0000-0000-0000-000000000000'
});
const url = 'https://pav3.esendex.us/PavService.svc/GetCongressionalDistrictByZip?' + params.toString();
const options = {
headers: {
'Accept': 'application/json'
}
};
const response = await fetch(url, options);
const json = await response.json();
console.log(json);
JSON Response
{
"CongressionalDistrict": "02",
"ReturnCode": 4
}
PHP with cURL
<?php
$client = new SoapClient('https://pav3.esendex.us/PavService.svc?wsdl');
$param = array(
'ZipCode' => '23320'
, 'LicenseKey' => 'YOUR LICENSE KEY'
);
$result = $client->GetCongressionalDistrictByZip($param);
echo "<pre>";
print_r($result);
echo "</pre>";
?>
Python
import httpx
headers = {"Accept": "application/json"}
url = "https://pav3.esendex.us/PavService.svc/GetCongressionalDistrictByZip"
request = {
"ZipCode": "23320",
"LicenseKey": "00000000-0000-0000-0000-000000000000",
}
with httpx.Client(headers=headers) as client:
response = client.get(url=url, params=request)
response.raise_for_status()
print(response.json())
Ruby
require 'json'
require 'net/http'
headers = { Accept: 'application/json', 'Content-Type': 'application/json' }
uri = URI('https://pav3.esendex.us/PavService.svc/GetCongressionalDistrictByZip')
params = {
'ZipCode': '23320',
'LicenseKey': '00000000-0000-0000-0000-000000000000'
}
uri.query = URI.encode_www_form(params)
response = Net::HTTP.get(uri, headers)
raise response.message if response.is_a?(Net::HTTPClientError) || response.is_a?(Net::HTTPServerError)
puts JSON.parse(response)
XML Response
<CongressionalDistrictResponse xmlns="pav3.esendex.us" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<CongressionalDistrict>02</CongressionalDistrict>
<ReturnCode>4</ReturnCode>
</CongressionalDistrictResponse>
Let’s start sending, together.