# 50340: Messaging service SID not provided

Log Level: ERROR

## Description

Messaging service SID parameter is required but was not provided with an API request.

### Possible causes

* The API expected a MessagingServiceSid input parameter, but it was either not provided or was misspelled.

### Possible solutions

* Add a valid MessagingServiceSid parameter to the API request and confirm that it is not misspelled.