Signature Validation

Capture explicit user consent with one-time verification codes.

Capture explicit consent with audit trail

Use OTP verification to confirm that a user intentionally approved a specific action, creating a strong audit trail for business-critical workflows.

Common scenarios

Accepting terms and conditions

Prove a user accepted updated terms at a specific time.

Approving contracts or agreements

Bind a phone-verified approval to a document.

Confirming purchases or subscriptions

Verify high-value purchase intent.

Authorizing account changes

Confirm sensitive changes with a verified user.

Recording user consent

Build a defensible record of explicit consent.

Build your signature validation flow today

Start integrating in minutes with clear documentation, SDKs, and global message delivery.