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: 20151
Error - 20151
Authentication Failed
On this page
ERROR: 20151
Error - 20151
Authentication Failed
Authentication Failed
Positive Feedback
Negative Feedback
ERROR: 20151
error-20151 page anchor
Positive Feedback
Negative Feedback
PLATFORM
ERROR
Error - 20151
error---20151 page anchor
Positive Feedback
Negative Feedback
Authentication Failed
authentication-failed page anchor
Positive Feedback
Negative Feedback
The Authentication with the provided JWT failed.
Possible Causes
possible-causes page anchor
The system could not perform the authorization for the given request.
Possible Solution:
possible-solution page anchor
Retry, if this keeps happening, please contact the Twilio Support
To check whether the JWT is structurally correct, you can use the tools available at jwt.io.