API Documentation

VINfix API 2.0 (Coding Examples)

VINfix API merely produces one or multiple suggestions when a problem VIN is submitted. It's up to end users(human being) to make the final decision: which suggestion to take or no suggestion would be taken at all. Therefore, any kind of batch processing without any human involvement is not recommmended.

Do Not Send The Same VIN More Than Once

Our system will take one credit off from your account balance when XML result is returned regardless of what the result turns out to be. So please be sure to have a mechanism in place in your system to prevent the same VIN from being sent to the API service more than once.

REST API Description

VINfix API provides programmatic access to two of our state-of-the-art machine learning algorithms.

Parameter Name	Parameter	Value	Used in URL
API Key	accesscode	xxxxx-xxxxx-xxxxx-xxxxx	GET https://www.recognition.ws/vinfix/v2?accesscode=xxxxx-xxxxx-xxxxx-xxxxx&vin=XXXXXXXXXXXXXXXXX
Vehicle Identification Number	vin	XXXXXXXXXXXXXXXXX	GET https://www.recognition.ws/vinfix/v2?accesscode=xxxxx-xxxxx-xxxxx-xxxxx&vin=XXXXXXXXXXXXXXXXX
Data Format	format	XML or JSON (default: XML)	GET https://www.recognition.ws/vinfix/v2?accesscode=xxxxx-xxxxx-xxxxx-xxxxx&vin=XXXXXXXXXXXXXXXXX&format=json

Output in XML or Json

VINfix API 1.0 has now been deprecated. It produces suggestions made by two machine learning algorithms: Algorithm 1 and Algorithm 2.

Algorithm 1 and Algorithm 2 don't always agree with each other;
Algorithm 1 usually produces more accurate suggestions than Algorithm 2 does;
Algorithm 1 always produces at least one suggestion;
Algorithm 1 usually produces only one suggestion;
Algorithm 2 often produces more than one suggestions;
Algorithm 2 could produce no suggestions at all.
It is recommended that the suggestions from Algorithm 2 should be hidden from end-users by default unless the suggestions from Algorithm 1 were not satifactory and a second opinion was needed.

        
<VINfix Date="4/22/2015" Version="1.0" Status="SUCCESS" Number="XXXXXXXXXXX123456>
    <Algorithm1>
	<Item Value="XXXXXXXXXXX123456" Key="Suggestion1"/>
        <Item Value="..." Key="..."/>
        <Item Value="XXXXXXXXXXX123456" Key="SuggestionM"/>
    </Algorithm1>
    <Algorithm2>
       <Item Value="XXXXXXXXXXX123456" Key="Suggestion1"/>
       <Item Value="..." Key="..."/>
       <Item Value="XXXXXXXXXXX123456" Key="SuggestionN"/>
    </Algorithm2>
</VINfix>

VINfix API 2.0 produces only one suggestion with much higher accuracy and confidence. You no longer have to choose between two different outcomes. The system is smart enough to make the decision for you behind the scene. It can deliver results in either formats: XML or Json.

        
API with XML return: https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN

<VINfix>
    <Version>2.0</Version>
    <Date>3/30/2021 2:03:34 AM</Date>
    <Status>SUCCESS</Status>
    <Input>XXXXXXXXXXX123456</Input>
    <Output>XXXXXXXXXXX123456</Output>
</VINfix>

        
API with Json return: https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN&format=json

{
  "service": "vinfix",
  "version": "2.0",
  "date": "3/30/2021 3:36:54 AM",
  "status": "SUCCESS",
  "input": "XXXXXXXXXXX123456",
  "ouput": "XXXXXXXXXXX123456"
}

Error Codes

Error Code (Key)	Description (Value)
0	Database Errors.
17	Insufficient balance for VINfix
18	Length of VIN too short for VINfix; It must be at least 10 digits.
19	Invalid VIN number: The last 4 digits of this VIN number must all be numeric.
20	Invalid VIN number: The last 6 digits of this VIN number must all be numeric.
21	Invalid VIN number: The 12th digit of this VIN number must be a letter.
22	Invalid VIN number: The 13th digit of this VIN number must be a letter.
28	VINfix data model not ready.

        

API with XML return: https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN

<VINfix>
    <Version>2.0</Version>
    <Date>3/30/2021 2:21:09 AM</Date>
    <Status>FAILED</Status>
    <Input>1F4W3MCB0VA807600</Input>
    <Message_Key>0</Message_Key>
    <Message>Database Errors.</Message>
</VINfix>

        
API with Json return: https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN&format=json

{
  "service": "vinfix",
  "version": "2.0",
  "date": "3/30/2021 5:38:03 AM",
  "status": "FAILED",
  "input": "1F4W3MCB0VA807600",
  "message_key": 0,
  "message": "Database Errors."
}

VINfix XML Samples

VINfix Json Samples

Coding Examples (XML and Json)

JavaScript(Python, C#, Java, PHP)


    <html>
        <head></head>
        <body>
            <form id = "form">
                <label>Please input a VIN:<input type="text" id ="input"></label>
                <br>
                <a href="javascript: fetchResponseXml()">Submit (XML Output)</a>
                <br>
                <a href="javascript: fetchResponseJson()">Submit (Json Output)</a>
            </<form>
            <pre id="out"></pre>
        </body>

        <script>
            const form=document.getElementById("form")
            const out=document.getElementById("out")

	    // Javascript XML 
            async function fetchResponseXml(){
                const url="https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN;
                var parser=new DOMParser();
                var xmlHttp=new XMLHttpRequest();
                xmlHttp.open("GET", url, false);
                xmlHttp.send();
                var xmlResponse=parser.parseFromString(xmlHttp.responseText, "text/xml");
                console.log(xmlResponse)

                var text="";
                var children=xmlResponse.documentElement.childNodes;
                for (var i=0; i < children.length; i++){
                    console.log(children)
                    // text += children[i].tagName+": "+children[i].textContent+"\n"
                    text += children[i].nodeName+": "+children[i].textContent+"\n"
                }
                out.textContent=text;
            }

	    // Javascript Json
            async function fetchResponseJson(){
                const url = "https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN&format=json";
                fetch(url).then(function(response){
                    return response.json()
                }).then(function(data){
                    let text="";
                    for (let x in data){
                        text+=x+": "+data[x]+"\n";
                    }   
                    out.textContent=text;
                }).catch(function(){
                    out.textContent="Something went wrong..."
                });
            }
        </script>
    </html>

Python(JavaScript, C#, Java, PHP)



    # Python XML

    import requests
    import xml.etree.ElementTree as ET

    url = "https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN"

    response = requests.get(url)
    root = ET.fromstring(response.content.decode('UTF-8'))

    if root[2].text=="SUCCESS":
        print("Version: "+root[0].text)
        print("Date: "+root[1].text)
        print("Status: "+root[2].text)
        print("Input: "+root[3].text)
        print("Output: "+root[4].text)
    else:
        print("Version: "+root[0].text)
        print("Date: "+root[1].text)
        print("Status: "+root[2].text)
        print("Input: "+root[3].text)
        print("Message Key: "+root[4].text)
        print("Message: "+root[5].text)


    # Python Json

    import requests
    import json

    url = "https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN&format=json"

    response = requests.get(url)
    result=response.json()

    if result["status"]=="SUCCESS":
        print("Service: "+result["service"])
        print("Version: "+result["version"])
        print("Date: "+result["date"])
        print("Status: "+result["status"])
        print("Input: "+result["input"])
        print("Output: "+result["output"])
    else:
        print("Service: "+result["service"])
        print("Version: "+result["version"])
        print("Date: "+result["date"])
        print("Status: "+result["status"])
        print("Message Key: "+str(result["message_key"]))
        print("Message: "+result["message"])

C#(JavaScript, Python, Java, PHP)


    using System;
    using System.Net;
    using System.Xml;


    WebClient client = new WebClient();

    // C# XML

    string url = "https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN";
    string responseString = client.DownloadString(url);

    Console.WriteLine("XML Output (Parsed): \n");

    var xmlResponse = new XmlDocument();
    xmlResponse.LoadXml(responseString);

    foreach (XmlNode node in xmlResponse.DocumentElement.ChildNodes)
    {
	    Console.WriteLine(node.Name + ": " + node.InnerText);
    }


    // C# Json 

    using System;
    using System.Net;
    using Newtonsoft.Json.Linq;

    String url = "https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN&format=json";
    String responseString = client.DownloadString(url);

    Console.WriteLine("\nJSON Output (Parsed): \n");

    JObject jsonResponse = JObject.Parse(responseString);

    foreach (var node in jsonResponse)
    {
	    Console.WriteLine(node.Key + ": " + node.Value);
    }

Java(JavaScript, Python, C#, PHP)


    // Java XML
    import java.io.BufferedReader;
    import java.io.InputStreamReader;
    import java.io.StringReader;
    import java.net.HttpURLConnection;
    import java.net.URL;

    import org.w3c.dom.Document;
    import org.w3c.dom.Node;
    import org.w3c.dom.NodeList;
    import org.xml.sax.InputSource;
    import javax.xml.parsers.*;

    String response = "";
    URL url = new URL("https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN");
    final HttpURLConnection con = (HttpURLConnection) url.openConnection();
    con.setRequestMethod("GET");
    BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream()));
    StringBuilder sb = new StringBuilder();
    while ((response = br.readLine()) != null) {
        sb.append(response);
    }
        
    response = sb.toString();
    con.disconnect();

    System.out.println(response);
    String output = "";
    output = parseXML(response);
    System.out.println(output);

    private static String parseXML(String response) {
        String output = "";
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document document = builder.parse(new InputSource(new StringReader(response)));
        document.getDocumentElement().normalize();
            
        NodeList list = document.getFirstChild().getChildNodes();
        Node node;
        for (int i = 0; i < list.getLength(); i++) {
            node = list.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                output += node.getNodeName() + ": " + node.getTextContent() + "\n";
            }
        }

        return output;
    }


    // Java Json
    import java.io.BufferedReader;
    import java.io.InputStreamReader;
    import java.io.StringReader;
    import java.net.HttpURLConnection;
    import java.net.URL;

    import org.json.JSONArray;
    import org.json.JSONObject;

    String response = "";
    URL url = new URL("https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN&format=json");
    final HttpURLConnection con = (HttpURLConnection) url.openConnection();
    con.setRequestMethod("GET");
    BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream()));
    StringBuilder sb = new StringBuilder();
    while ((response = br.readLine()) != null) {
        sb.append(response);
    }
        
    response = sb.toString();
    con.disconnect();

    System.out.println(response);
    String output = "";
    output = parseJSON(response);
    System.out.println(output);

    private static String parseJSON(String response) {
        String output = "";
        JSONObject jsonObject = new JSONObject(response.trim());
        JSONArray names = jsonObject.names();
            
        for (int i = 0; i < names.length(); i++) {
            output += names.getString(i) + ": " + jsonObject.get(names.getString(i)) + "\n";
        }
        return output;
    }

PHP(JavaScript, Python, C#, Java)


    // PHP XML

    <?php

    $responseXml = file_get_contents("https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN");
    // echo($responseXml);

    // Trim whitespace to avoid empty text nodes.
    $responseXml = preg_replace("/>\s*<", $responseXml);

    $xml = new DOMDocument();
    $xml -> loadXML($responseXml);
    $children = $xml -> documentElement -> childNodes;

    foreach ($children as $child) {
        echo ($child -> nodeName.': '.$child -> nodeValue."\n");
    }
    ?>


    // PHP Json

    <?php

    $responseJson = file_get_contents("https://www.recognition.ws/vinfix/v2?accesscode=YOUR_ACCESS_CODE&vin=YOUR_VIN&format=json");
    // echo($responseJson);

    $json = json_decode($responseJson, true);
    foreach ($json as $key => $value) {
        echo($key.": ".$value."\n");
    }

    ?>