Can I add a watermark to PDF using cURL?

Aspose.Words for cURL allows you to add a text or image watermark to your PDF document. Install cURL Get your app keys to use Aspose.Words Cloud for cURL Pass the Bearer token in the Authorization header Load PDF document you want to remove the watermark from Create a request to remove the watermark Save the result to a convenient file format

What file formats can I add a watermark to using cURL library?

We support a variety of file formats for adding watermarks using Aspose.Words for cURL, including DOCX, DOC, DOT, PDF, RTF and others.

Can I remove a watermark from PDF document using Aspose.Words for cURL?

The given cURL SDK is also helpful to remove watermarks from your PDF documents.

Does your cURL library support adding watermarks to PDF programmatically?

Our cURL library allows developers to programmatically add watermarks to PDF.

PDF Watermark In Curl

Add a watermark to PDF or remove previously added watermarks using cURL

Use cURL command line tool to add an image or text watermark over PDF document, as well as remove an already added watermark in seconds

Protect your PDF documents from unauthorized distribution and add the watermark online. To do this, just load a PDF document format and add a text or image watermark using our powerful cURL command line tool. Then save the watermarked document in a convenient format such as DOC, DOCX, PDF, HTML, RTF, XPS and others. You can also remove the watermark from PDF documents to make them easier to process unless it violates anyone's rights.

PDF – add watermark in cURL

With this cURL API, developers can add a watermark to PDF online. Just create the watermark using text or an image and then insert that watermark into your PDF document in cURL.

Note: there is no need to install any third party applications or libraries. Therefore, our cURL software solution is very easy to use.

Remove watermark from PDF – cURL

The given cURL SDK is also helpful to remove watermarks from PDF. Removing a watermark in PDF means that you can load the desired PDF document stamped with a text or image watermark, remove this watermark from the PDF using cURL, and then save the output file in a convenient format – DOC, DOCX, PDF, JPEG, PNG, TIFF and others.

Work with watermark in PDF

To evaluate how to add or remove a watermark in PDF with our cURL API, load the PDF and the watermark as an image or text. Then select a convenient export file format – DOC, DOCX, PDF, HTML, RTF, XPS and others.

Use the following example to see how it works:

Add a text or image watermark to PDF or remove a watermark from PDF using cURL

Input files

File needs to add watermarks

Run code

Upload an image you want insert

Output format

Select the target format from the list

				
				
				
		

					curl -v "https://api.aspose.cloud/v4.0/words/online/post/watermarks/insert" \
     -X PUT \
     -H "Content-Type: multipart/form-data" \
     -H "Authorization: Bearer ####################" \
     -F Document="@Input1.pdf" \
     -F WatermarkData="{ \"Image\": { \"Reference\": \"2b4ecf13-d42e-4e9c-a7cd-9dbf39d8593c\", \"Source\": \"Request\" } }"
     -F 2b4ecf13-d42e-4e9c-a7cd-9dbf39d8593c="@Input2.jpg"

curl -v "https://api.aspose.cloud/v4.0/words/convert?format=pdf" \
     -X PUT \
     -H "Content-Type: multipart/form-data" \
     -H "Authorization: Bearer ####################" \
     -F Document="@document"
				

					curl -v "https://api.aspose.cloud/v4.0/words/online/post/watermarks/insert" \
     -X PUT \
     -H "Content-Type: multipart/form-data" \
     -H "Authorization: Bearer ####################" \
     -F Document="@Input.pdf"
     -F WatermarkData="{ \"Layout\": \"Diagonal\", \"Text\": \"This is the watermark text\" }"

curl -v "https://api.aspose.cloud/v4.0/words/convert?format=pdf" \
     -X PUT \
     -H "Content-Type: multipart/form-data" \
     -H "Authorization: Bearer ####################" \
     -F Document="@document"
				

					curl -v "https://api.aspose.cloud/v4.0/words/online/post/watermarks/deleteLast" \
     -X PUT \
     -H "Content-Type: multipart/form-data" \
     -H "Authorization: Bearer ####################" \
     -F Document="@Input.pdf"

curl -v "https://api.aspose.cloud/v4.0/words/convert?format=pdf" \
     -X PUT \
     -H "Content-Type: multipart/form-data" \
     -H "Authorization: Bearer ####################" \
     -F Document="@document"
				

				Run code
			

Copy cURL code to the clipboard

How to remove watermark in PDF using cURL

Install cURL
Get your app keys to use Aspose.Words Cloud for cURL
Pass the Bearer token in the Authorization header
Load PDF document you want to remove the watermark from
Create a request to remove the watermark
Save the result to a convenient file format

cURL library to use watermarks in PDF

Download and install the curl utility. Please follow these Instructions to quickly get the necessary security credentials and access our REST API.

System Requirements

There are no special requirements for using this tool.

You can add a watermark to a document in other formats:

Watermark DOC

Watermark DOCX

Watermark WORD