Use Cases

How to ask a client to pay an overdue invoice

Learn effective strategies to request payment for overdue invoices professionally. Boost your cash flow with our expert tips. Click to master client communication!

By David Diaz, Co-Founder DALE Labs·Reviewed by Leonardo Shapiro, Co-Founder DALE Labs·Updated August 2026
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A Direct, Useful Answer to the Question

Start by sending a polite email reminder that includes the invoice number, amount due, and due date. For example:


Subject: Friendly Reminder: Invoice [#12345] Due

Hi [Client's Name],

I hope you're well. I wanted to touch base regarding invoice [#12345] for [service/product], which was due on [date]. Could you let me know if there’s any issue with the payment? We appreciate your prompt attention to this matter.

Best, [Your Name]


If no response, follow up with a slightly firmer email a week later:


Subject: Follow-up on Invoice [#12345]

Hi [Client's Name],

Just checking in again about invoice [#12345], which is now overdue. We’d appreciate it if you could confirm when we can expect payment. Please let me know if you have any questions or concerns.

Thank you, [Your Name]


If needed, escalate to a phone call to discuss any potential issues or payment plans.

What Most Owners Try First and Why It Stops Working

Many business owners start with a generic email template or rely on memory to follow up. These methods can feel impersonal or get lost in the client’s inbox, especially if they're busy. The inconsistency and lack of personalization often lead to delayed payments and strained relationships.

What to Do Instead

  1. Set a Schedule: Establish a follow-up schedule. Send an initial reminder three days after the invoice is due, followed by another in a week if there's no response.
  1. Personalize Communication: Reference the specific invoice number, amount, and due date in every message. Mention any previous communications or agreements.
  1. Stay Professional and Friendly: Keep the tone friendly yet professional. Avoid confrontational language.
  1. Offer Solutions: If the client has cash flow issues, offer a payment plan. This shows you're willing to work with them and value the relationship.

How This Gets Easier with Scheduled Follow-Ups

Using a tool like ARPilot can automate this process by generating personalized follow-up sequences based on your client's payment history. You approve each message before it sends, keeping you in control without the hassle of drafting every email yourself. This approach normalizes the follow-up process, removing personal friction while ensuring you get paid.

FAQ Section

Q1: How often should I follow up on an overdue invoice? A: Start with a reminder three days after the due date, then follow up weekly until you receive a response or payment.

Q2: What if the client says they can't pay right now? A: Offer a payment plan that works for both parties. This shows flexibility and maintains a good relationship.

Q3: Should I call the client if they don’t respond to emails? A: Yes, a phone call can address any issues directly and prompt faster action.

Q4: How can ARPilot help with overdue invoices? A: ARPilot automates follow-up emails based on client payment history, letting you approve each message before it sends, saving you time and reducing awkwardness in direct interactions.

Q5: What if I only have a few overdue invoices each month? A: ARPilot's free plan covers up to 10 invoices a month, perfect for small businesses with occasional overdue payments.

Start with the invoices that have already gone quiet

Connect QuickBooks Online, let ARPilot write the follow-up, and see what comes back. You read every message before your customer does, and the chasing stops the moment an invoice is paid.

  • No card required, and the free plan does not expire
  • Set up in one sitting — no call, no onboarding project
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About the author
David Diaz, Co-Founder DALE Labs

David is the Co-Founder of DALE Labs, he is a Full Stack Developer with years of experience creating terrific web experiences. During his time as a developer, he has lead teams, trained developers, launched new products and created tons of value for a plethora of clients around the world.

Reviewed by Leonardo Shapiro, Co-Founder DALE Labs

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What ARPilot costs

Published pricing, billed monthly. Annual billing is about two months free.

Free

$0 /month

10 invoices per month

Starter

$99 /month

50 invoices per month

Professional

$299 /month

200 invoices per month

Enterprise

Custom

Unlimited invoices per month

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