OneSign
SOC 2-aligned · AES-256 · Tamper-evident audit

Enterprise e-signatures your legal team can trust

Prepare documents, route signers, and collect legally admissible signatures — with immutable evidence, white-label branding, and a full API for every portfolio company.

Prepare & template

Drag-and-drop fields, reusable templates, and ordered, parallel, or mixed routing.

Verified signers

Email/SMS OTP, SSO, and configurable identity checks recorded on every signature.

Immutable evidence

HMAC-chained audit ledger, content hashing, and tamper-evident completed documents.

API & webhooks

Versioned REST API, idempotent requests, and signed webhook deliveries.

Partners & white-label

Reseller organizations, delegated support, branding, and commission ledgers.

Analytics & insights

Completion rates, time-to-sign, and drop-off — explainable by default.