APIs for token application servers
Your application server accesses the OpenAPI of an authentication server. To ensure that API calls are successful, you must follow specific rules for parameters and return values. This topic describes the token OpenAPI for application servers provided by ApsaraMQ for MQTT.
| OpenAPI | Description |
| ApplyToken | Call ApplyToken to request a temporary access token. |
| QueryToken | Call QueryToken to verify the validity of a token. |
| RevokeToken | Call RevokeToken to revoke a token. |