First Invoice Email for New Clients

Example email

Hi [Client],

Here's invoice #1042 for the work on [project], totaling [amount]. Payment is due by [date] per our agreement.

You can pay via the link on the invoice — let me know if the payment terms or anything else needs clarifying. Really enjoyed the project so far and looking forward to continuing.

Thanks,
[Your name]

When to use this template

This template is designed for invoices that are recently past due. It strikes a reassuring, informative tone that sets clear payment expectations for a brand new client relationship.

• ✓Opens with the invoice number or project name — not “I” or “I'm following up”
• ✓Asks one specific question that demands a concrete answer
• ✓Ends on a forward-moving note, not a passive sign-off

Template variations

Here's how this template adapts to different amounts and situations.

Use our free generator to create the exact version for your situation.

Frequently asked questions

When should I use this template?

Reassuring first invoice email that sets clear payment expectations for a brand new client. This template works best for invoices that are recently past due. It's designed to set clear payment expectations while being extra reassuring for a new relationship.

Can I customize this email for my specific situation?

Yes. Click "Customize this template" below to open our free generator with the first invoice tone pre-selected. Add your client's name, invoice amount, and any context about the situation — the AI will rewrite the email to match perfectly.

How many times should I follow up on an unpaid invoice?

A standard escalation sequence has three steps: (1) a gentle reminder 1-3 days after the due date, (2) a firm follow-up 7-14 days later, and (3) a final notice at 21-30 days with clear consequences. After that, you may need to pause work or escalate to formal collections.