Add Signature Fields to PDFs Using the PDFfiller PHP Client

Transform any document or form with smart digital fields using the PDFfiller PHP Client. Add signature fields to collect legally-binding signatures anytime from anywhere.

Add Signature Fields to PDFs

Let anybody sign a document with a picture, drawing their signature with their finger or a mouse, or by typing it in using the PDFfiller PHP Client. All signatures added with PDFfiller are legally binding under the E-Sign Act (2000).

How to Use PDFfiller PHP Client

Add Signature Fields to your document

Create a link to add signature fields to your document.
PDFfiller\OAuth2\Client\Provider\Document::createConstructor()
View on GitHub

$document = Document::one($provider, 12345678);

$hashDocument = $document->createConstructor();

Try adding fillable fields to a PDF using the PDFfiller PHP Client

Save time adding fillable fields by dragging and dropping them into a document using the PDFfiller PHP Client.

Try adding date fields to a PDF using the PDFfiller PHP Client

Automatically fill in the date using the PDFfiller PHP Client. You can change the format of the date and choose default settings.

Try adding checkboxes to a PDF using the PDFfiller PHP Client

Transform any document or form with smart digital fields using the PDFfiller PHP Client. Add checkboxes to PDFs and easily collect information.
Languages We Support
Try PDFfiller API for FREE!
Fill out this form to try all the benefits of using PDFfiller API. The free API key allows you to get a feel for the PDFfiller experience before buying a subscription plan. If you have any questions follow the link below to contact our 24/7 support team.
Apply for a free API key