Let's Annotate with REST API in PHP

Annotator SDK for PHP developers allows quick, reliable and multiple types of text and image annotations with minimal code.

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GroupDocs.Annotation Cloud SDK for PHP

GroupDocs.Annotation Cloud SDK for PHP


GroupDocs.Annotation Cloud SDK for PHP works as a handy document annotation toolkit for developers. This allows you to build data-labeling solutions in PHP that let your end-users apply various types of annotations and text markups to better collaborate via their business documents. Its cross-platform support makes it the default choice for individuals and businesses of all sorts for annotating their documents of all popular file formats. The annotation solution also works with 3rd party cloud storage providers.

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Advanced Document Annotation REST API Features



Add/delete graphic annotations & text markups


Fetch metadata information of annotated document


Annotation data retrieval for supported file formats


Import or export list of annotations for document


Retrieve PDF version of annotated document


Store annotated document & keep its storage link


Multi-platform document annotation compatibility


Text redaction support for slides


Annotation application to header/footer in Word documents


Quick & Reliable Document Annotation

GroupDocs.Annotation Cloud API provides a number of ways to deal with annotations. It not only allows retrieving annotations from documents, but also adds(exports) or remove annotations from a document and retrieves the resultant document as the stream.

Remove document annotations - PHP

//Get your AppSID and AppKey at https://dashboard.groupdocs.cloud (free registration is required).
$configuration = new Configuration();
$annotationApi = new AnnotationApi($configuration); $request = new Requests\DeleteCleanDocumentRequest("template.pdf","SourceFiles"); $response = $annotationApi->deleteCleanDocument($request);

Robust Set of Annotation Tools

In GroupDocs.Annotation Cloud SDK for PHP, two types of annotations are available; graphical and text-based.

Text-based annotations, support adding text comments to selections, hiding classified text via redaction, markups to highlight text with underlines/strikethroughs, and stickynotes to be added to rich text.

Graphical annotations, support adding notes to rectangular highlighted area, hiding confidential text or image, applying notes to a particular point within the document, dropping arrows to point to an object, drawing freehand lines and shapes, applying text-based watermarks, and distance based annotations.

Easy Integration

No installation is required on the client or server end. Just create an account at GroupDocs.Cloud to get the App SID & Key and you are ready to integrate GroupDocs.Annotation Cloud SDK into your PHP applications.

Easy Customization

Customization is quick, easy and realiable because GroupDocs.Annotation Cloud SDK for PHP is open source, has an MIT license, thouroughly tested and out of the box running. So you can use it, and even customize it as per your requirements free of charge.

Interactive API Explorer

Check our Swagger based API explorer, where you can view list of all the features that our annotation PHP API offers you. Moreover, you can try out any feature right in your browser by providing desired parameters. Please visit our Interactive API Explorer now.

Support and Learning Resources


GroupDocs.Annotation Cloud Product Family also includes SDKs for other popular languages as listed below: