Customer.io
Sep 25, 2026
Customer.io verification code
Why it works
- Lead with the verification purpose and explain the next step before presenting the code.
- Make the time limit easy to notice so recipients understand when the code will stop working.
- Keep account terms and support details brief and separate from the main verification task.
How it is built
- Verification heading
- Code instructions
- One-time code
- Account terms
Email copy
Verification code Please use the following verification code to confirm your email address. This code will expire in 15 minutes. 334416 By creating an account, you agree to our Terms of Service and Privacy Policy. If you need assistance, please email win@customer.io. You are receiving this email because a request was made for a one-time code that can be used for authentication. © 2026 Peaberry Software, Inc., 9450 SW Gemini Dr., Suite 43920, Beaverton, Oregon 97008