Skip to contentSkip to navigationSkip to topbar
Rate this page:
On this page

Invalid "To" attribute



WARNING: 14101

warning-14101 page anchor
WARNING

"To" Attribute is Invalid

to-attribute-is-invalid page anchor

The To attribute does not appear to be a phone number that you can SMS

Possible Causes

possible-causes page anchor
  • Invalid formatted number
  • SMSing an un-validated number while using a Trial Account
  • Check the number and make sure it is a valid 10 digit domestic phone number
  • Confirm you have validated this number, if you are still using a Trial account, or upgrade your account
  • Contact Twilio customer support to inquire further.

Rate this page: