
Two-Factor Authentication (2FA) for Signers
Verify the identity of document recipients through a one-time code sent to their mobile device via SMS. (UK only.)
Boost security
Two-Factor Authentication (2FA) for Signers adds a robust layer of verification, ensuring that only the intended recipient can view and sign your documents. By requiring a one-time code sent via SMS, it verifies the signer’s identity, giving you extra assurance for your sensitive documents.
Enhance trust and reliability
Implementing 2FA for Signers significantly boosts the trust and reliability of your transactions. By verifying the identity of your signers, you ensure that each signature is authentic, building stronger trust between your brand and your customers.
Two-Factor Authentication for Signers explained
Two-Factor Authentication (2FA) for Signers provides an additional layer of verification by requiring recipients to enter a one-time code sent to their mobile device via SMS before signing a document. This step ensures that the person signing the document is who they claim to be, securing your transactions and maintaining the authenticity of each signature.
This feature is currently exclusive to UK mobile numbers. It’s simple to enable during the envelope creation process, and integrates effortlessly into your workflow.
Check out some of our other great features

Secure document storage
A secure copy of a completed document remains in your account for future reference.

Legal admissibility
Fully compliant with eSignature laws such as eIDAS, eSign and UETA.

Auto-expire
Set an automatic expiry date for contracts and other time sensitive documents.

Document templates
Upload your document, save as a template, and never waste time duplicating.

Password protection
Dealing with sensitive information? Secure it with password protection.

IP address allowlists
Configure an allowlist of IP addresses for your team and collaborate securely.
Try 2FA For Signers for yourself
Experience Signable’s features for yourself with a free 14 day trial