How to Check Digital Signature Expiry Date with signNow

TL;DR

Check a digital signature expiry date by opening the signed file in signNow, viewing the Audit Trail or signature details, and inspecting the certificate timestamp and validity period. Use automated reminders, periodic certificate reviews, and signNow's Audit Trail to maintain compliance. This guide explains step-by-step checks on web, mobile, and via API, plus best practices, troubleshooting, and vendor comparisons tailored to U.S. legal requirements.

What checking signature expiry means

Checking a digital signature expiry date means looking at the cryptographic certificate or timestamp that proves when a signature is valid and when it stops being trusted. Think of it like checking the expiration date on a driver license: the document looks the same, but its official validity can change over time. In eSignature workflows this involves viewing the signature certificate, the signing timestamp, and any revocation status so you can confirm the signed document remains legally verifiable over time.

Legal and operational reasons

Maintaining awareness of signature expiry supports ESIGN and UETA compliance, prevents acceptance of outdated certificates, and reduces legal risk. Monitoring expiry protects contracts, HIPAA-covered records, and regulated documents by preserving evidentiary value and preventing later disputes.

Common challenges when expiry goes unchecked

• Certificates can expire without notice, making previously valid signatures appear invalid during audits or legal reviews.
• Signatures created with vendor certificates may be revoked, requiring additional verification steps to prove authenticity.
• Different signature standards and timestamping methods complicate automated expiry detection across multiple platforms.
• Legal admissibility can be contested if expiry intersects with regulatory retention or long-term record requirements.

Who needs to check expiry dates

Legal, compliance, and operations teams need routine checks to ensure signed documents remain valid and auditable.

• Legal departments managing long-term contracts and evidentiary records.
• Healthcare and HR teams handling HIPAA or student records needing uninterrupted validity.
• IT and security teams responsible for certificate monitoring and system integrations.

Routine checks reduce risk, support audits, and keep business processes running without signature-related delays.

Key user personas

IT Administrator

IT administrators configure signNow integrations, manage API keys, and monitor certificate metadata. They set automated alerts and retention rules to ensure expired certificates do not disrupt workflows or integrations with systems like Salesforce or NetSuite.

Compliance Officer

Compliance officers review Audit Trails and signer authentication logs to confirm eSignatures meet ESIGN and UETA requirements. They establish review cycles and document retention policies for HIPAA, 21 CFR Part 11, and corporate audits.

Security and compliance overview

In-transit encryption: TLS 1.2/1.3

At-rest encryption: AES-256 encryption

Certifications and reports: SOC 2 Type II available

Regulatory compliance: ESIGN and UETA

Healthcare compliance: HIPAA, BAA required

Accessibility standards: WCAG 2.0 Level AA

Risks of ignored expiry dates

Signature invalidation: Loss of trust

Regulatory fines: Potential penalties

Contract disputes: Enforceability issues

Data exposure: Security gaps

Business delays: Process slowdowns

Audit failures: Noncompliance findings

Real-world examples

Two signNow customer stories show practical approaches to verifying signature validity and managing certificates.

Optica Ventures LLC

The team adopted signNow Audit Trails to track signature timestamps and signer activity

• They verify certificate timestamps and preserve signed PDFs
• This reduces in-person steps and provides clear evidence during transactions

Leading to faster closings and fewer document validity questions.

Xerox (NetSuite Operations)

Xerox integrates signNow with NetSuite to attach signature metadata to records

• They store certificate details in the ERP record
• This ensures finance and legal teams can check expiry quickly

Resulting in reliable compliance checks and streamlined approval cycles.

Step-by-step: check expiry in signNow

Follow these actionable steps in signNow to locate and confirm a digital signature's expiry date across a signed document.

• 01
  Open signed document: Sign in to signNow and open the completed document from your dashboard or folder.
• 02
  View Audit Trail: Click the Audit Trail or history link to show signing timestamps and activity details.
• 03
  Inspect signature details: Select the signature field and open certificate details to view validity period and timestamps.
• 04
  Confirm certificate status: Check revocation status, expiration date, and embedded timestamp to determine current validity.

How signNow surfaces expiry info

signNow exposes signature metadata and Audit Trails in web, mobile, and API views so teams can verify certificate validity and signing timestamps quickly.

• Document viewer: Open the file to access signature overlays and fields.
• Audit Trail view: Review chronological events with timestamps and IP data.
• Signature certificate: Open certificate details to read expiry and issuer info.
• API access: Pull signature metadata programmatically for automated checks.

Key signNow features for expiry checks

signNow includes Audit Trails, certificate details, authentication options, and automation capabilities that help teams detect and respond to signature expiry risks.

Audit Trails

Detailed, tamper-evident logs track signer actions, timestamps, and IP addresses to support later validation and legal admissibility for expired or contested signatures.

Certificate details

Signature fields include certificate metadata and timestamps so users can view issuer, issuance, and expiration information directly in the document viewer.

Authentication options

Multiple signer authentication methods (email, phone, access codes) strengthen signer identity and reduce reliance on certificate-only validation during expiry reviews.

Automation tools

Reminders, scheduled checks, and API access let organizations monitor certificate validity over time and trigger workflows if nearing expiry.

Best practices for expiry management

Adopt consistent policies and automation to reduce the risk of accepting expired or revoked signatures and to maintain audit readiness.

Track certificate metadata centrally

Store certificate issuer, serial number, and expiry date in a searchable repository or attached record so administrators can run periodic reports across signed documents.

Schedule proactive reminders

Set automated alerts to notify signers or administrators 30 and 7 days before certificate expiry so renewals or re-signing steps can be planned.

Use signer authentication

Require multi-factor or phone verification for high-risk documents; this provides additional evidence beyond certificate validity if expiry arises later.

Preserve Audit Trails securely

Ensure Audit Trails and signed PDFs are archived with encryption and access controls to retain evidentiary value even after certificate expiry.

Typical monitoring milestones

Define regular milestones to check certificate validity and trigger administrative actions as expiry approaches.

01

Monthly certificate review

Run scheduled reports to detect any certificates expiring within 90 days.

02

30-day alert

Notify document owners and signers 30 days before expiry.

03

7-day reminder

Send a second reminder one week before certificate expiration.

04

Immediate revocation check

On discovery, verify revocation lists and mark affected records.

Action dates to include in policies

Capture specific dates and deadlines in retention and signature management policies for consistent response and auditability.

30 days before expiry:

Begin renewal outreach and re-sign planning for affected documents.

7 days before expiry:

Escalate to managers if no action taken by signer.

On expiry date:

Flag signature as expired and record status in the document log.

Within 24 hours revocation:

If certificate is revoked, notify legal and lock affected workflows.

Quarterly compliance audit:

Review archived signatures and expiry handling for audit readiness.

Expanded capabilities supporting expiry checks

Use these advanced signNow capabilities to automate expiry monitoring, integrate with systems, and retain compliance-ready records across teams.

API access

Pull signature metadata and certificate fields programmatically for automated expiry checks and reporting.

Integrations

Connect signNow with Salesforce, NetSuite, Box to surface expiry info in business records.

Mobile signing

View Audit Trails and certificate summaries on iOS and Android when checking signatures in the field.

Offline capability

Collect signatures offline and sync certificate metadata when connectivity returns.

Role-based approvals

Route renewal or re-sign actions to legal or compliance reviewers automatically.

Compliance reporting

Generate reports combining Audit Trail data with certificate expiry status for audits.

Audit Trail management checklist

Keep an organized audit workflow that makes expiry verification routine and defensible for audits or disputes.

01

Retrieve Audit Trail:

Open audit record quickly

02

Extract certificate data:

Capture issuer and expiry

03

Compare to CRL/OCSP:

Check revocation promptly

04

Archive with PDF:

Attach audit log to signed file

05

Log status changes:

Record any expiry or revocation

06

Report anomalies:

Escalate invalid or expired signatures

FAQs About checking expiry dates

Answers to common problems when verifying digital signature expiry dates in signNow, with focused guidance for web, mobile, and API scenarios.

• I cannot find certificate details
  Open the document's Audit Trail and click the signature field to reveal certificate metadata. If details are missing, the signature may be a simple eSignature or was created without an embedded certificate; contact your admin or signer for clarification and check the original signing method.
• The signature shows expired during review
  Confirm the certificate expiry date and check OCSP/CRL status to see if it was revoked. Preserve the signed PDF and Audit Trail, then consult legal to determine whether the document remains admissible under ESIGN and UETA.
• API returns no expiry field
  Confirm you requested signature metadata fields in the API call. If missing, adjust the API parameters to include certificate details or contact signNow support to validate the account's certificate options.
• Signature looks tampered after expiry
  Do not alter the file. Export the signed PDF with its Audit Trail from signNow and preserve original timestamps. Use the preserved evidence for forensic review and dispute resolution.
• Bulk documents have mixed expiry statuses
  Run a batch report via signNow integrations or the API to collect expiry fields, then segment documents needing re-sign or review. Use bulk actions if available on your plan.
• How to handle HIPAA-covered records
  If documents include protected health information, ensure a signed BAA is in place, preserve Audit Trails, and follow your organization retention rules when certificates expire.

Operational response timeline

Map operational steps to a timeline so stakeholders know what to do as expiry approaches or when an expiry is discovered.

01

Detect

Automated scan identifies certificates within 90 days of expiry.

02

Notify

Send 30-day notification to owners and signers.

03

Escalate

Escalate to compliance at 7 days if unresolved.

04

Action

Plan renewal, reissue, or re-sign workflows.

05

Verify

After action, recheck certificate and Audit Trail.

06

Archive

Store final evidence with retention tags.

07

Audit

Include cycle results in quarterly audits.

08

Improve

Adjust thresholds and automations based on findings.

Where you can run expiry checks

signNow supports web, mobile apps, and APIs so expiry checks can be done from desktops, phones, or integrated systems.

• Web app: Full Audit Trail access
• Mobile app: iOS and Android viewers
• API: Programmatic metadata access

Use the web app for detailed forensic review, mobile for quick field checks, and the API to integrate expiry monitoring into enterprise workflows and reporting systems.

Workflow settings for expiry monitoring

Configure these workflow settings in signNow to automate monitoring, alerts, and record-keeping for signature expiry.

Feature	Value
Reminder Frequency	30 days
Authentication Method	Phone code
Audit Trail Retention	Unlimited
Bulk Check Option	Enabled
API Certificate Polling	Daily

Quick feature comparison

A concise comparison showing availability of core expiry-relevant features across signNow, DocuSign, and Adobe Sign.

Feature / Vendor	signNow	DocuSign	Adobe Sign
Certificate-based signing
API metadata access
Bulk send support
Mobile signing

Pricing and compliance snapshot (data current)

Price and compliance points for signNow and competitors. Pricing reflects typical annual-billed entry plans and compliance notes as of the data provided.

	$8/user/mo	$8/user/mo	$13/user/mo	$19/user/mo	$15/user/mo
Free Trial	7-day free trial	Varies by vendor	Varies by vendor	Varies by vendor	Varies by vendor
Bulk Send	Yes, on Premium	Yes, select plans	Yes, select plans	Yes, select plans	Yes, select plans
Audit Trail	Yes, full audit trails	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes, BAA required	Yes, BAA required	Yes, BAA required	Varies	Varies
Envelope Cap	No cap	100 envelopes/year	Varies by plan	Varies by plan	Varies by plan