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Convert Images To PDF From URLs | C# | Image To PDF API
Program.cs:
C#
using System; using System.Collections.Generic; using System.IO; using System.Net; using Newtonsoft.Json; using Newtonsoft.Json.Linq; namespace ByteScoutWebApiExample { class Program { // The authentication key (API Key). // Get your own by registering at https://app.pdf.co const String API_KEY = "***********************************"; // Direct URLs of image files to convert to PDF document // You can also upload your own file into PDF.co and use it as url. Check "Upload File" samples for code snippets: https://github.com/bytescout/pdf-co-api-samples/tree/master/File%20Upload/ static string[] SourceFiles = { "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/image-to-pdf/image1.png", "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/image-to-pdf/image2.jpg" }; // Destination PDF file name const string DestinationFile = @".\result.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); // URL for `Image To PDF` API call string url = "https://api.pdf.co/v1/pdf/convert/from/image"; // Prepare requests params as JSON Dictionary<string, object> parameters = new Dictionary<string, object>(); parameters.Add("name", Path.GetFileName(DestinationFile)); parameters.Add("url", string.Join(",", SourceFiles)); // Convert dictionary of params to JSON string jsonPayload = JsonConvert.SerializeObject(parameters); try { // Execute POST request with JSON payload string response = webClient.UploadString(url, jsonPayload); // Parse JSON response JObject json = JObject.Parse(response); if (json["error"].ToObject<bool>() == false) { // Get URL of generated PDF file string resultFileUrl = json["url"].ToString(); // Download PDF file webClient.DownloadFile(resultFileUrl, DestinationFile); Console.WriteLine("Generated PDF file saved as \"{0}\" file.", DestinationFile); } else { Console.WriteLine(json["message"].ToString()); } } catch (WebException e) { Console.WriteLine(e.ToString()); } webClient.Dispose(); Console.WriteLine(); Console.WriteLine("Press any key..."); Console.ReadKey(); } } }