This setting restricts the phone number field at checkout to digits only, so customers can`t accidentally submit letters or symbols in a field your courier and SMS notifications rely on.
What you can do here
- Force the checkout phone field to accept numbers only
- Reduce invalid phone numbers that cause failed delivery calls or SMS updates
Step by step
- Go to Dashboard > Settings > Checkout Options.
- Find the Phone Numeric Only Field .
- Turn it on and save the checkout phone field will now reject anything that isn`t a number.
Tips
- Turn this on if you rely on SMS delivery notifications or courier call-ahead it cuts down on bad contact numbers reaching your driver.
- This only validates the format, not whether the number is real it won`t catch typos within a valid-looking number.
Ask the assistant
The AI assistant can help you manage this directly. Try:
- "Turn on numeric-only validation for the checkout phone field"