| ArchiveException | The interface used by all exceptions resulting from calls to the archiving API. |
| Exception | The interface used by all exceptions in the OpenTok PHP API. |
| ArchiveAuthenticationException | Defines the exception thrown when you use an invalid API or secret and call an archiving method. |
| ArchiveDomainException | Defines an exception thrown when a call to an archiving method results in an error response from the server. |
| ArchiveUnexpectedValueException | Defines an exception thrown when a call to an archiving method results in an error due to an unexpected value. |
| AuthenticationException | Defines the exception thrown when you use an invalid API or secret. |
| DomainException | Defines an exception thrown when an API call results in an error response from the server. |
| InvalidArgumentException | Defines an exception thrown when you pass an invalid argument into a method. |
| UnexpectedValueException | Defines an exception thrown in result of an unexpected value. |