Annabel Mario from UPDF - PDF Editor All Platforms for Individuals answered another user on December 13, 2024 and said UPDF can create PDF fillable forms (text fields, radio buttons, droplists, signatures) but it cannot auto-fill those forms — you need to click each field and fill it. As for sending/signing/tracking signatures, they noted UPDF Sign. You can find that answer here: https://appsumo.com/products/updf/questions/integrations-webhooks-1266714/