How to convert images to PDF from urls for image to PDF API in C# with PDF.co Web API

Tutorial: how to convert images to PDF from urls for image to PDF API in C#

The coding tutorials are designed to help you test the features without need to write your own code. Image to PDF API in C# can be implemented with PDF.co Web API. PDF.co Web API is the flexible Web API that includes full set of functions from e-signature requests to data extraction, OCR, images recognition, pdf splitting and pdf splitting. Can also generate barcodes and read barcodes from images, scans and pdf.

This rich sample source code in C# for PDF.co Web API includes the number of functions and options you should do calling the API to implement image to PDF API. This C# sample code should be copied and pasted into your project. After doing this just compile your project and click Run. Use of PDF.co Web API in C# is also explained in the documentation included along with the product.

ByteScout free trial version is available for FREE download from our website. Programming tutorials along with source code samples are included.

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Program.cs
      
using System; using System.IO; using System.Net; using Newtonsoft.Json.Linq; namespace ByteScoutWebApiExample { class Program { // The authentication key (API Key). // Get your own by registering at https://app.pdf.co/documentation/api const String API_KEY = "***********************************"; // Direct URLs of image files to convert to PDF document 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); // Prepare URL for `Image To PDF` API call string query = Uri.EscapeUriString(string.Format( "https://api.pdf.co/v1/pdf/convert/from/image?name={0}&url={1}", Path.GetFileName(DestinationFile), string.Join(",", SourceFiles))); try { // Execute request string response = webClient.DownloadString(query); // 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(); } } }

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packages.config
      
<?xml version="1.0" encoding="utf-8"?> <packages> <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" /> </packages>

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