Problem-first guide
How to chase unpaid invoices without awkward emails
Last updated September 3, 2026
Chase unpaid invoices with a standard sequence tied to the due date, using calm messages that state the invoice number, amount, due date, and payment link. Start by assuming the invoice was missed, then become more direct as it remains unpaid.
Keep the tone factual and give the customer an easy way to report a billing problem. Consistency removes much of the awkwardness because the message follows your normal process rather than your mood.
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A practical approach
What to do.
- 01
Verify the invoice first
Confirm the invoice went to the correct person, the work matches the agreement, the due date has passed, and the payment instructions still work. Check whether a payment, credit, or dispute arrived through another channel. This review takes longer than firing off a reminder, but it prevents the most damaging mistake: chasing money that was paid or billing for something the customer is contesting. Record the verification beside the invoice so anyone helping later sees the same facts.
- 02
Use a neutral first note
Send a short message that assumes ordinary oversight. Include the invoice number, original due date, amount, and a direct payment link or attached copy. Ask the customer to tell you if the invoice needs to reach someone else. Avoid apologies for following up and avoid a long defense of the bill. A standardized note may feel less personal, so add one real sentence about the project or relationship when that context makes the request warmer.
- 03
Schedule the sequence
Choose follow-up dates before an invoice becomes overdue and write the next message when you send the first one. The second note can ask for a payment date; a later note can state the next contractual step. Stop the sequence as soon as payment or a valid dispute arrives. Scheduled reminders reduce avoidance, but unattended automation can send an embarrassing message after circumstances change. Review account status before every message that changes tone or mentions consequences.
- 04
Offer one resolution path
If the customer cannot pay as expected, ask for a specific proposed date or a written payment plan that fits your agreement. If the problem is approval, request the accounts-payable contact and any missing vendor form. Keep every decision in the invoice record and confirm changes in writing. Flexibility may preserve a good relationship, while vague promises create another overdue cycle. Agree only to terms your cash flow can support and escalate according to the signed contract when needed.
The Pally option
The short version: text Pally
Pally is one option for finding unanswered Gmail or iMessage threads, drafting a follow-up from the conversation, and reminding you when the next contact is due. It shows an outgoing message before sending and waits for your approval. That review point lets you confirm the invoice is still unpaid before a firmer note goes out.
Follow-up chaser
You asked, they went quiet. Pally notices who owes you a reply and drafts the nudge.
See the recipeSay it later
Write it now, land it at the perfect moment: pally sends exactly when you say.
See the recipeInbox, triaged
Ask what actually needs you. Pally reads the pile, flags the few, and drafts the replies.
See the recipeOptions
Other tools people use
Fair alternatives, including ones that overlap with Pally.
Fyxer
Fyxer fits founders who want Gmail or Outlook sorted and follow-up replies waiting as drafts.
Fyxer prepares drafts and leaves every send to the user.
Superhuman
Superhuman fits founders who want an email client with AI triage and drafting for invoice follow-ups.
Its focus is email rather than invoice accounting.
HubSpot
HubSpot fits teams that want invoice follow-ups kept in a CRM with the customer record.
It is a CRM rather than an invoice accounting system.
Manual invoice register
A manual register fits a small invoice volume that one person can review before each follow-up.
The owner must update payment status and follow-up dates by hand.
Questions
Frequently asked questions.
What should the first overdue email say?+
State that the invoice appears outstanding, repeat the invoice number, amount, and due date, and include the payment link or copy. Ask whether there is a billing issue or a different contact.
How often should I follow up?+
Set a cadence in your payment policy and use it consistently. Give the customer enough time to act on each message, while keeping the next date specific and visible in your system.
When should I stop sending friendly reminders?+
Move to the formal steps in your contract when repeated messages produce neither payment nor a concrete plan. For legal collection decisions, get advice appropriate to your state and agreement.
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