Formstack Sign vs. Legalesign API

Fast and secure digital signatures anywhere. Formstack Sign is a cloud-based electronic signature solution that helps small to large businesses collect e-signatures for document authorization, ensure privacy, and access the system across multiple devices. Offering a host of features, such as customizable templates, a drag-and-drop interface, electronic file conversion, signer redirection/referral, reusable forms, and more, the platform syncs with Google and Outlook to help users import contact information.

Legalesign API is UK-based eSignature software to send, sign and manage contracts online. Flexible architecture allows total control of PDFs, sent documents, workflows, groups and users. Built for scalability, our digital signature API is structured around groups/teams, simple to implement but with the flexibility to describe many organisational systems.