Proof Notarize
6.7#8 in legal notarization softwareFrom $199 a monthAndroidiOSWebAPI
VisitProof Notarize vs Secured Signing
Secured Signing
7.6#3 in legal notarization softwareFrom $430 a yearFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Proof Notarize | Secured Signing |
|---|---|---|
| API | API access is included with Pro+ and higher business tiers, while Proof's API guide says access is available to eligible organization accounts. | The standard API is REST-based, uses JSON request and response format, supports API key or OAuth2 authentication, and offers a .NET/C# client SDK and webhook callback. |
| Founded | 2015 | 2010 |
| Headquarters | Boston, Massachusetts, United States | Sydney, Australia |
| Integrations | Proof lists integrations including ResWare and SoftPro 360 for title workflows, and Encompass and SimpleNexus for lenders. | The integrations page lists connections including Bullhorn, Tracker, Duo, Okta, Active Directory Federation Services, and Microsoft Entra ID. |
| Security | Proof's Trust Center says documents use AES 256-bit encryption and enterprise access controls support SCIM, SSO, team hierarchies, and advanced permissions. | The security page says Secured Signing has SOC 2 Type II compliance and ISO/IEC 27001 certification, and describes encryption for data at rest and in transit. |
Proof Notarize plans
- Pro+$199 a month
- Premium & EnterprisePriced on request
- Pro—
Secured Signing plans
- Free AccountFree
- Notary Business Annual Plan$430 a year
- Business—
- EnterprisePriced on request
- Notary Enterprise PlanPriced on request
Pick Proof Notarize if…
Proof Notarize suits businesses handling document signings in the listed industries, from small businesses to larger organizations. Signers who want to complete most transactions in a phone browser may also find it suitable.
Pick Secured Signing if…
It suits individuals and businesses that need digital signatures, signing workflows, or remote notarization. The maker describes Business for small to medium sized businesses and Enterprise for organizations needing high-volume signing and enterprise features.