Invoice template with signature acknowledgment
Send professional invoices that require client acknowledgment. Add signature fields for payment authorization, dispute windows, and terms acceptance. Get proof that your invoice was received and approved.
What this template covers
- Sender and recipient details
- Invoice number and date
- Line items and descriptions
- Subtotal, tax, and total
- Payment terms and due date
- Payment methods
- Late payment penalties
Common use cases
How to send a invoice for e-signature
- Upload your document — drag and drop your invoice PDF into SignOwl, or use our template as a starting point.
- Add signature fields — use AI field detection to automatically place signature, date, and name fields, or add them manually.
- Send for signing — enter the signer's email and hit send. They'll get a link to sign from any device.
- Get the signed copy — both parties receive the signed document with a tamper-proof audit trail and SHA-256 verification.
Frequently asked questions
Why would I need a signed invoice?
A signed invoice provides proof of client acknowledgment — useful for dispute resolution, payment authorization, and records. It eliminates 'I never received that invoice' claims.
Can I send recurring invoices?
You can save your invoice as a template in SignOwl and reuse it each billing cycle. Update amounts and dates, then send with one click.
Is a signed invoice a legal document?
A signed invoice serves as evidence of agreed payment terms. Combined with SignOwl's audit trail, it provides strong documentation for any billing disputes.
Ready to send your first document?
Upload a PDF, add signature fields, and send — your signers get a beautiful page on any device. No accounts, no apps, no friction.
Start free — no card needed