Top 10 Email Templates for Requesting Payment of Outstanding Invoices

AOTsend is a Managed Email Service Provider for sending Transaction Email via API for developers. 99% Delivery, 98% Inbox rate. $0.28 per 1000 emails. Start for free. Pay as you go. Check Top 10 Advantages of Managed Email API

When it comes to managing finances, one of the most challenging tasks can be collecting payments for outstanding invoices. To help streamline this process, we've compiled a list of the top 10 email templates for requesting payment of overdue invoices. These templates are designed to be polite, professional, and effective in prompting timely payments.

【AOTsend Email API】：
AOTsend is a Transactional Email Service API Provider specializing in Managed Email Service. 99% Delivery, 98% Inbox Rate. $0.28 per 1000 Emails.
AOT means Always On Time for email delivery.

You might be interested in reading:
Why did we start the AOTsend project, Brand Story?
What is a Managed Email API, Any Special?
Best 25+ Email Marketing Platforms (Authority,Keywords&Traffic Comparison)
Best 24+ Email Marketing Service (Price, Pros&Cons Comparison)
Email APIs vs SMTP: How they Works, Any Difference?

1. Friendly Reminder Email Template

Subject: Friendly Reminder for Payment of Invoice #[Invoice Number]

Dear [Customer Name],

I hope this message finds you well. This is a friendly reminder that the invoice #[Invoice Number] with a total amount of $[Amount] is now overdue. Your prompt payment would be greatly appreciated.

Thank you for your attention to this matter.

Best regards, [Your Name]

2. Urgent Payment Request Template

Subject: Urgent Payment Request for Invoice #[Invoice Number]

Dear [Customer Name],

We notice that invoice #[Invoice Number] remains unpaid. As this invoice is now overdue, we kindly request your immediate attention to resolve this matter.

Your prompt action is crucial for our continued operations.

Thank you for your cooperation.

Sincerely, [Your Name]

3. Detailed Payment Follow-Up Template

Subject: Follow-Up on Overdue Invoice #[Invoice Number]

Dear [Customer Name],

I am writing to follow up on the overdue invoice #[Invoice Number] dated [Invoice Date]. The total amount due is $[Amount].

For your convenience, we have attached a copy of the invoice. Please let us know if there are any issues or concerns preventing payment.

We appreciate your prompt attention to this matter.

Thank you, [Your Name]

4. Polite Payment Inquiry Template

Subject: Inquiry Regarding Payment of Invoice #[Invoice Number]

Dear [Customer Name],

Could you please advise on the status of the payment for invoice #[Invoice Number]? We noticed that the invoice is now overdue and would appreciate an update on when we can expect payment.

Thank you for your time and consideration.

Best regards, [Your Name]

5. Firm But Polite Payment Request Template

Subject: Payment Request for Overdue Invoice #[Invoice Number]

Dear [Customer Name],

We have noticed that invoice #[Invoice Number] is now several days overdue. While we appreciate your business, we also rely on timely payments to maintain our operations.

We kindly request your immediate attention to resolve this overdue invoice.

Thank you for your understanding and cooperation.

Sincerely, [Your Name]

6. Reminder with Payment Options Template

Subject: Reminder: Payment Options for Overdue Invoice #[Invoice Number]

Dear [Customer Name],

As a reminder, invoice #[Invoice Number] with a total amount of $[Amount] is now overdue. To assist you in making the payment, we offer various payment methods including credit card, wire transfer, or check.

Please let us know if you need any assistance or have any questions regarding payment.

Thank you, [Your Name]

7. Overdue Invoice Escalation Template

Subject: Escalation Notice for Overdue Invoice #[Invoice Number]

Dear [Customer Name],

Despite our previous reminders, invoice #[Invoice Number] remains unpaid. We regret to inform you that we will be escalating this matter to our collections department if payment is not received within the next few days.

We urge you to resolve this matter promptly to avoid any further action.

Sincerely, [Your Name]

8. Final Payment Notice Template

Subject: Final Payment Notice for Invoice #[Invoice Number]

Dear [Customer Name],

This is a final notice regarding the overdue invoice #[Invoice Number]. Unless payment is received immediately, we will be forced to take legal action to recover the outstanding amount.

We strongly advise you to settle this invoice without further delay.

Thank you for your attention to this urgent matter.

Sincerely, [Your Name]

9. Payment Reminder with Late Fees Template

Subject: Payment Reminder with Late Fees for Invoice #[Invoice Number]

Dear [Customer Name],

Please be advised that invoice #[Invoice Number] is now overdue, and late fees may apply. To avoid additional charges, we kindly request prompt payment of the invoice total, which now includes late fees.

Thank you for your prompt attention to this matter.

Best regards, [Your Name]

10. Personalized Payment Request Template

Subject: Personalized Payment Request for Invoice #[Invoice Number]

Dear [Customer Name],

I hope this

AOTsend adopts the decoupled architecture on email service design. Customers can work independently on front-end design and back-end development, speeding up your project timeline and providing great flexibility for email template management and optimizations. Check Top 10 Advantages of Managed Email API. 99% Delivery, 98% Inbox rate. $0.28 per 1000 emails. Start for free. Pay as you go.