API
Programmatic access to create, send, and retrieve signed PDFs allowing integration with accounting systems, project-management platforms, and ERP workflows for automated invoice processing and status synchronization.
Digitizing construction invoices reduces turnaround time, centralizes records, and improves payment predictability while retaining the familiar PDF layout used by accounting and project teams.
Project managers compile invoice line items, verify progress against schedules, and coordinate approvals across stakeholders. They need clear versioning, the ability to attach supporting documents, and a reliable audit trail to resolve billing discrepancies quickly.
Accounts payable staff process invoices for payment, match signed PDFs to purchase orders or contracts, and enforce retention policies. They require integration with ERP systems, bulk actions for recurring invoices, and validated signer identity for compliance.
Construction firms, specialty subcontractors, owners, and accounting teams rely on signed PDF invoices for billing and compliance workflows.
These stakeholders value clear audit records, predictable approval routing, and formats that integrate with accounting and project-management systems.
Programmatic access to create, send, and retrieve signed PDFs allowing integration with accounting systems, project-management platforms, and ERP workflows for automated invoice processing and status synchronization.
Enterprise SSO support simplifies access for project teams while maintaining centralized user management and reducing credential-related security risks across invoicing workflows.
Fields that appear based on prior selections reduce input errors by showing only relevant fields for retainage, change orders, and taxation details in the invoice PDF.
Batch sending, combined signing, and grouped reminders accelerate high-volume invoice cycles while preserving individual recipient data and audit trails for each signed PDF.
Options such as ID verification and one-time passcodes strengthen signer identity proofing for owner, lender, and contractor approvals with auditable verification records.
Policy-driven retention and legal hold features ensure signed invoices are retained for statutory periods and are retrievable for audits and lien resolution.
Ability to send the same invoice template or pay application to multiple recipients simultaneously with individualized fields and tracking to accelerate batch processing.
Save standardized invoice layouts including retainage and lien waiver fields so teams can generate compliant PDFs quickly without reformatting each billing cycle.
Enforce signer order and role-specific fields, ensuring that approvals occur in the correct sequence required for draw approvals and lender disbursements.
Comprehensive event logs with timestamps, IP addresses, and signer authentication records attached to the final signed PDF for dispute resolution and compliance.
| Setting Name | Configuration |
|---|---|
| Default Reminder Frequency Interval | 48 hours; two reminders |
| Signature Order Enforcement Setting | Strict sequential routing |
| Centralized Template Library Access | Shared team templates |
| Role Assignment and Permission Rules | Granular role-based access |
| Document Retention and Archive Policy | 7 years encrypted archive |
Ensure signer devices and browsers meet minimum security and compatibility requirements before distributing PDF invoices for signature.
Confirming browser versions, enabling TLS and cookies, and recommending mobile app use for secure authentication reduces signature friction and helps preserve the integrity of the final signed PDF across devices.
A subcontractor submits a change-order invoice as a PDF with supporting photos and scope attachments
Resulting in a clean, auditable approval that accelerates payment processing and reduces disputes.
The contractor generates a progress pay application PDF with schedule of values and lien waivers
Leading to faster disbursements, verifiable approvals, and simplified record retrieval for compliance audits.
| Criteria | signNow (Recommended) | DocuSign | Adobe Sign |
|---|---|---|---|
| Mobile App Support | |||
| Bulk Send | |||
| Native PDF Templates | |||
| HIPAA Compliance Options | Available | Available | Available |
| Plan | signNow (Recommended) | DocuSign | Adobe Sign | PandaDoc | Dropbox Sign |
|---|---|---|---|---|---|
| Starting monthly price | From $8 per user/month (annual) | From $10 per user/month | From $9.99 per user/month | From $19 per user/month | From $15 per user/month |
| Free trial length | 7 days | 30 days | 14 days | 14 days | 14 days |
| Minimum seats | 1 user | 1 user | 1 user | 1 user | 1 user |
| Bulk send limit | Unlimited with plans | Tiered limits | Tiered limits | Tiered limits | Tiered limits |
| API access availability | Included in business plans | Available via API plans | Included with subscriptions | Included with Business plans | Available with paid plans |