Skip to content
Skip to navigation
Skip to topbar
Twilio Logo
Twilio Docs
Search
Search
Messaging
Voice
Serverless
Flex
Studio
All docs...
SDKs
Help
Help
Search
Log in
Sign up
On this page
ERROR: 12400
Error - 12400
Internal Failure
On this page
ERROR: 12400
Error - 12400
Internal Failure
Internal Failure
Positive Feedback
Negative Feedback
ERROR: 12400
error-12400 page anchor
Positive Feedback
Negative Feedback
ERROR
Error - 12400
error---12400 page anchor
Positive Feedback
Negative Feedback
Internal Failure
internal-failure page anchor
Positive Feedback
Negative Feedback
An internal error has occurred that prevented Twilio from processing your response.
Possible Causes
possible-causes page anchor
We screwed up. Sorry!
Possible Solutions
possible-solutions page anchor
If the error persists, please
contact us
to figure out what has happened and how to fix it.
Note the time of the error and what you were trying to do when it occurred.