Signature Fields
Custom signature and data fields placed directly on invoice PDFs collect signer name, signature, date, and payment details while preserving the original layout and precise placement for record consistency.
In the United States, electronic signatures on invoice PDFs are enforceable when signer intent, consent, and an adequate audit trail are preserved, consistent with the ESIGN Act and UETA. Maintain consent records, signer identity evidence, and tamper-evident logs to support admissibility and regulatory compliance.
Finance administrators configure invoice templates, manage retention and archival settings, reconcile signed invoices with accounting records, and maintain export schedules for tax and audit purposes across teams.
Sales managers prepare and send invoice requests to clients, track signature status, coordinate remedial follow-up on unsigned invoices, and ensure invoice terms align with contract obligations.
Custom signature and data fields placed directly on invoice PDFs collect signer name, signature, date, and payment details while preserving the original layout and precise placement for record consistency.
Reusable invoice templates store field placements, payment terms, and variable mappings so teams can generate standardized PDFs and send consistent signing requests with minimal manual setup.
Batch delivery to multiple recipients supports mass invoicing with individualized signing URLs and tracking, reducing manual sending time for recurring bills and large mailings.
Comprehensive logs capture each signer action, timestamp, IP address, and document version history, producing an immutable audit trail that supports compliance reviews and dispute resolution.
Optional SMS or email one-time codes, knowledge-based verification, and device checks add signer authentication layers suitable for higher-risk invoices and regulated industries.
Prebuilt connectors to major accounting and CRM systems automate invoice creation, status updates, and payment reconciliation between eSignature workflows and finance systems to reduce manual reconciliation.
Two-way integration with Google Docs lets you author invoice content, convert to PDF, map form fields automatically, and send for signature without manual downloads or reuploads—reducing versioning errors.
Connectors for Salesforce, HubSpot, and other CRMs sync contact and invoice data, trigger signature requests from records, and update payment status on completion to streamline sales-to-billing workflows.
Direct Dropbox integration enables saving signed PDFs to designated folders, automatic versioning, and archival workflows to keep finance and audit teams aligned and reduce manual file handling.
Create branded invoice templates with variable data fields, conditional sections, and prefilled terms to reduce manual entry, ensure consistent formatting, and speed recurring invoice generation.
| Setting Name | Configuration |
|---|---|
| Signature routing order and conditions | Sequential by signer, or conditional routing rules |
| Reminder frequency and expiration policy | Default 48 hours, up to three reminders |
| Field validation rules and required fields | Date and numeric validation enforced where needed |
| Document retention, export, and backup settings | Automatic export to cloud or designated storage |
| Integration triggers, webhooks, and API actions | Notify accounting systems on signature completion |
Modern browsers and native mobile apps support eSign simple invoice PDF workflows, but verify minimum OS and browser versions for consistent behavior.
Ensure PDFs are text-searchable and free of active content; use TLS for transport, keep apps and browsers updated, and confirm platform controls (consent logging, audit exports) for regulated workflows.
A local services company sends monthly PDF invoices to clients and needs a simple, reliable signing process.
Resulting in faster collections, fewer errors, and a clear audit trail that simplifies accounting and supports tax recordkeeping.
An outpatient clinic requires signed PDF invoices and attestations while protecting patient information under HIPAA rules.
Leading to compliant billing processes, quicker payer confirmations, and reduced administrative burden while maintaining auditable records for privacy obligations.
| Criteria | signNow (Recommended) | DocuSign | Adobe Acrobat Sign |
|---|---|---|---|
| Legality in U.S. | |||
| API availability | REST API | REST API | REST API |
| Bulk send | Available | Available | Available |
| SSO (SAML) | Available | Available | Available |
Minimum seven years recommended for U.S. tax records.
Maintain logs for the same retention period as invoices.
Nightly encrypted backups to geographically distinct locations.
Quarterly access reviews and permission audits logged.
Apply legal holds immediately; follow documented deletion procedures.
| Pricing Feature | signNow (Recommended) | DocuSign | Adobe Acrobat Sign | Dropbox Sign | PandaDoc |
|---|---|---|---|---|---|
| Starting price (monthly/user) | $8 per user/month | $10 per user/month | $9.99 per user/month | $15 per user/month | $19 per user/month |
| Free trial length | 14 days | 30 days | 30 days | 30 days | 14 days |
| Bulk send capability | Included in business plans | Included | Included | Included | Included |
| HIPAA / BAA availability | BAA available on enterprise plans | BAA available on enterprise plans | BAA available on enterprise plans | Contact sales for compliance options | BAA available on enterprise plans |
| API access | Available with API plans | Available via developer plans | Available | Available | Available |