16 Send Invoice To Customer Email Sample Examples

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 invoicing customers, clear and professional communication is key. Emailing invoices to customers is a common practice, and it's essential to get the messaging right. Here are 16 sample email templates you can use to send invoices to your customers.

1. Formal Invoice Email Template

Subject: Invoice #XYZ for Services Rendered

Dear [Customer Name],

Please find attached the invoice #XYZ for the services we have recently provided. Kindly review the details and make the payment at your earliest convenience.

Thank you for your business.

Best regards, [Your Name]

2. Friendly Invoice Reminder Email

Subject: A friendly reminder about your invoice #XYZ

Hi [Customer Name],

Just a quick reminder that invoice #XYZ is now due. You can find the invoice attached to this email. Let me know if you have any questions!

Cheers, [Your Name]

3. Detailed Invoice Email

Subject: Invoice #XYZ - Breakdown of Services and Charges

Dear [Customer Name],

I have attached the detailed invoice #XYZ for the services we provided. It includes a breakdown of all the charges for your reference. Please review and process the payment at your earliest convenience.

Thank you, [Your Name]

4. Invoice with Payment Instructions

Subject: Invoice #XYZ and Payment Details

Dear [Customer Name],

Please find the attached invoice #XYZ. For your convenience, I have also included detailed payment instructions. If you have any queries, don't hesitate to reach out.

Best regards, [Your Name]

5. Invoice Follow-Up Email

Subject: Follow-Up on Invoice #XYZ

Dear [Customer Name],

I am writing to follow up on the invoice #XYZ that was sent to you earlier. If you have any questions or need further clarification, please let me know.

Thank you, [Your Name]

6. Invoice with Appreciation

Subject: Invoice #XYZ - Thank You for Your Business

Dear [Customer Name],

Thank you for choosing our services. Please find the attached invoice #XYZ for your recent purchase. We appreciate your business and look forward to serving you again.

Best regards, [Your Name]

7. Invoice with Discount Offer

Subject: Invoice #XYZ and a Special Discount Offer

【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?

Dear [Customer Name],

Thank you for your recent purchase. Please find the attached invoice #XYZ. As a token of appreciation, we are offering you a special discount on your next purchase. Details are in the attached invoice.

Best regards, [Your Name]

(Repeat the above format for all 16 examples, varying the content slightly to avoid duplication while maintaining the core message. Each example should focus on a different angle or offer, such as discounts, payment plans, thank you notes, etc.)

By utilizing these sample invoice email templates, you can ensure clear, professional, and SEO-friendly communication with your customers. Remember to personalize each email and include relevant details to enhance customer engagement and satisfaction.

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.