Hybrid Authentication
Ability to combine social login with email or SMS verification for layered assurance and adaptable signer workflows.
Using Facebook login can reduce sign-in friction for external recipients who prefer social authentication and can speed up completion rates while preserving an auditable identity link when combined with robust eSignature records.
A solo or small firm owner who sends occasional sales agreements and prefers minimal friction for customer signatures. They value quick completion and straightforward identity linking but may add email verification when required for records.
A manager handling registrations and waivers for community events where attendees expect to use social accounts. They prioritize fast turnarounds and integrated records while applying selective checks for liability forms.
Organizations that interact with large volumes of external or consumer signers often prioritize low-friction authentication to improve completion rates.
For higher-risk transactions, teams typically supplement social login with additional verification or choose stronger authentication flows.
Ability to combine social login with email or SMS verification for layered assurance and adaptable signer workflows.
Controls to request and limit Facebook permissions to only the data needed for identification and session handling.
Exportable, tamper-evident audit records that include authentication metadata for legal retention and compliance reviews.
Locking and validation on critical fields to prevent post-signature edits and maintain document integrity.
Mechanisms to invalidate outstanding signing sessions and revoke access when needed for security or legal reasons.
Options to minimize stored social profile data and define retention policies consistent with privacy obligations.
Support for Facebook OAuth 2.0 allowing token-based authentication and the ability to request minimal user profile scopes necessary for signer identification and session management.
Options to make social login optional or mandatory per template, and to combine it with additional verification methods such as email OTP or SMS for higher assurance.
Automatic capture of authentication events, IP addresses, timestamps, and OAuth metadata stored in the signature audit trail for evidentiary purposes.
Mechanisms to limit stored profile data, request only necessary permissions, and present clear consent language for signers connecting via Facebook.
| Setting Name | Configuration |
|---|---|
| Authentication Method | Facebook OAuth |
| Verification Step | Email OTP optional |
| Reminder Frequency | 48 hours |
| Audit Detail Level | Full event log |
| Signature Expiry | 90 days |
Ensure the signing experience supports common browsers and mobile platforms when using Facebook authentication.
Test flows on desktop and mobile, verify OAuth redirection behavior, and ensure fallback authentication is available if the social login endpoint is unreachable or blocked by corporate networks.
A local nonprofit used social login to let participants sign event waivers quickly
Resulting in improved volunteer management and lower administrative overhead by digitizing the process.
A retailer collected promotion consents via a checkout flow that accepted Facebook login for convenience
Leading to clearer audit records and higher campaign participation without lengthy registration.
| Criteria | signNow (Recommended) | DocuSign | Adobe Acrobat Sign |
|---|---|---|---|
| Facebook Login Support | |||
| OAuth-based Social Login | Limited | ||
| SSO / Enterprise SAML | |||
| API Authentication Options | API key, OAuth | OAuth, JWT | OAuth, SAML |
| Plan | signNow (Featured) | DocuSign | Adobe Acrobat Sign | Dropbox Sign | OneSpan Sign |
|---|---|---|---|---|---|
| Free trial available | Yes | Yes | Yes | Yes | Yes |
| Monthly starting price (per user) | $8 | $10 | $14 | $15 | $40 |
| API access on plan | Available on business plans | Available on most paid plans | Available on enterprise plans | Developer available | Enterprise only |
| SSO included | Available on business tiers | Enterprise only | Enterprise only | Enterprise only | Enterprise only |
| Template limits | Unlimited templates on paid plans | Template limits vary | Template limits vary | Template limits vary | Enterprise-focused templates |
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