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: 50408
Error - 50408
Conversations: Invalid participant proxy address
On this page
ERROR: 50408
Error - 50408
Conversations: Invalid participant proxy address
Invalid participant proxy address
Positive Feedback
Negative Feedback
ERROR: 50408
error-50408 page anchor
Positive Feedback
Negative Feedback
PROGRAMMABLE CHAT
ERROR
Error - 50408
error---50408 page anchor
Positive Feedback
Negative Feedback
Conversations: Invalid participant proxy address
conversations-invalid-participant-proxy-address page anchor
Positive Feedback
Negative Feedback
An invalid participant proxy address was supplied.
Possible Causes
possible-causes page anchor
Participant MessagingBinding.ProxyAddress parameter provided with the request is not a valid conversation proxy address.
Possible Solutions
possible-solutions page anchor
Check that the length of MessagingBinding.ProxyAddress parameter does not exceed 256 characters.
Ensure that MessagingBinding.ProxyAddress parameter contains an address with valid syntax (e.g. SMS phone numbers must follow
E.164 format
).