Get PDF Info From URL | C# | PDF InformationByteScout PDF Extractor SDK

Get PDF Info From URL | C# | PDF Information

Program.cs:

C#
using System;
using System.IO;
using System.Net;
using Newtonsoft.Json.Linq;

namespace ByteScoutWebApiExample
{
    class Program
    {
        // (!) If you are getting '(403) Forbidden' error please ensure you have set the correct API_KEY

        // The authentication key (API Key).
        // Get your own by registering at https://secure.bytescout.com/users/sign_up
        const String API_KEY = "***********************************";

        // Direct URL of PDF file to get information
        const string SourceFileURL = "https://s3-us-west-2.amazonaws.com/bytescout-com/files/demo-files/cloud-api/pdf-info/sample.pdf";

        static void Main(string[] args)
        {
            // Create standard .NET web client instance
            WebClient webClient = new WebClient();

            // Set API Key
            webClient.Headers.Add("x-api-key", API_KEY);

            // Prepare URL for `PDF Info` API call
            string query = Uri.EscapeUriString(string.Format(
                "https://bytescout.io/v1/pdf/info?url={0}", 
                SourceFileURL));

            try
            {
                // Execute request
                string response = webClient.DownloadString(query);

                // Parse JSON response
                JObject json = JObject.Parse(response);

                if (json["error"].ToObject<bool>() == false)
                {
                    // Display PDF document information
                    foreach (JToken token in json["info"])
                    {
                        JProperty property = (JProperty) token;
                        Console.WriteLine("{0}: {1}", property.Name, property.Value);
                    }
                }
                else
                {
                    Console.WriteLine(json["message"].ToString());
                }
            }
            catch (WebException e)
            {
                Console.WriteLine(e.ToString());
            }

            webClient.Dispose();


            Console.WriteLine();
            Console.WriteLine("Press any key...");
            Console.ReadKey();
        }
    }
}