Two-Way SSL

import javax.net.ssl.SSLContext;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContexts;

// Load client certificate into key store
SSLContext sslcontext = SSLContexts.custom()
        .loadKeyMaterial(new File(KEY_STORE_PATH), KEY_STORE_PASSWORD.toCharArray(),
                PRIVATE_KEY_PASSWORD.toCharArray())
        .loadTrustMaterial(new File(KEY_STORE_PATH), KEY_STORE_PASSWORD.toCharArray())
        .build();

// Allow TLSv1.2 protocol only
SSLConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(sslcontext, new String[] { "TLSv1.2" }, null,
        SSLConnectionSocketFactory.getDefaultHostnameVerifier());

CloseableHttpClient httpClient = HttpClients.custom()
            .setSSLSocketFactory(sslSocketFactory).build();
		

import requests

r = requests.post(url,
                  verify = ('put the CA certificate pem file path here'),
				  cert = ('put the client certificate pem file path here','put the private key pem file path here'),
				  headers = headers,
				  auth = (user_id, password),
				  data = body)
		

var request = require('request');
var req = request.defaults();
var fs = require('fs');

req.post({
    uri : "https://sandbox.api.visa.com/…",
    key: fs.readFileSync(keyFile),
    cert: fs.readFileSync(certificateFile),
    ca: fs.readFileSync(caFile)
    headers: {
      'Content-Type' : 'application/json',
      'Accept' : 'application/json',
      'Authorization' : 'Basic ' + new Buffer(userId + ':' + password).toString('base64')
    },
    body: data
  }, function(error, response, body) {
    …
  }
);
		

require 'rest-client'

begin
response = RestClient::Request.execute(
    :method => :post,
    :url => url,
    :headers => headers,
    :payload => $body,
    :user => user_id, :password => password,
    :ssl_client_key => OpenSSL::PKey::RSA.new(File.read(key_path)),
    :ssl_client_cert => OpenSSL::X509::Certificate.new(File.read(cert_path)),
    :ssl_ca_file => ca_cert_path
)
rescue RestClient::ExceptionWithResponse => e
response = e.response
end
		

using System.Net;
using System.Security.Cryptography.X509Certificates;
HttpWebRequest request = WebRequest.Create (requestURL) as HttpWebRequest;
// Add headers
string authString = userId + ":" + password;
var authStringBytes = System.Text.Encoding.UTF8.GetBytes (authString);
string authHeaderString = Convert.ToBase64String (authStringBytes);
request.Headers ["Authorization"] = "Basic " + authHeaderString;
// Add certificate
var certificate = new X509Certificate2(p12certificatePath, p12certificatePassword);
request.ClientCertificates.Add(certificate);
		

$authString = $userId.":".$password;$authStringBytes = utf8_encode($authString);
$authloginString = base64_encode($authStringBytes);
$authHeader= "Authorization:Basic ".$authloginString;
$header = (array("Accept: application/json", "Content-Type: application/json", $authHeader));
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_SSLCERT, $certificatePath);
curl_setopt($ch, CURLOPT_SSLKEY, $privateKey);
curl_setopt($curl, CURLOPT_CAINFO, $caFile);