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Attach Image to PDF using Node.js REST API

This guide shows Node.js developers how to attach an image to a REST API‑driven PDF using Aspose PDF Cloud. You’ll learn to embed files such as PDF PDF FILE INFO and PNG PNG FILE INFO as attachments through the Aspose PDF Cloud SDK for Node.js.

Prerequisite

Steps to Attach Photo to PDF using Node.js REST API

  1. Create an instance of the PdfApi by providing your credentials.
  2. Define the input PDF file, attachment file, and output file name.
  3. Read the source PDF file into a memory stream and upload it to Cloud storage.
  4. Upload the attachment file to Cloud storage.
  5. Create an instance of AttachmentInfo and set its parameters.
  6. Add the attachment to the PDF using the PostAddDocumentAttachment method.
  7. Verify whether the operation succeeded.
  8. Download the updated PDF file after the attachment has been added.

These steps summarize how to attach a photo to a PDF using the Node.js RESTful service. Upload both the source PDF and the attachment to Cloud storage, configure an AttachmentInfo object, and invoke PostAddDocumentAttachment() with that object to embed the file.

Code to Attach Picture to PDF using Node.js Low Code API

The sample demonstrates attaching a picture to a PDF via the Node.js REST interface. It’s recommended to instantiate AttachmentInfo with all required arguments in its constructor and to set the correct MIME type (e.g., application/pdf, text/plain, text/html, image/png, image/jpeg) so the attachment opens in the appropriate application.

For information on adding comments to a PDF, see the article Insert comment in PDF using Node.js REST API.

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