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Domain name for API request: mqtt.intl.tencentcloudapi.com.
This API is used to query instance information.
A maximum of 20 requests can be initiated per second for this API.
The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.
| Parameter Name | Required | Type | Description |
|---|---|---|---|
| Action | Yes | String | Common Params. The value used for this API: DescribeInstance. |
| Version | Yes | String | Common Params. The value used for this API: 2024-05-16. |
| Region | Yes | String | Common Params. For more information, please see the list of regions supported by the product. |
| InstanceId | Yes | String | tencent cloud MQTT instance ID, obtained from the DescribeInstanceList api or console. |
| Parameter Name | Type | Description |
|---|---|---|
| InstanceType | String | Instance type BASIC: basic edition. PRO edition. PLATINUM edition. |
| InstanceId | String | Instance ID. |
| InstanceName | String | Instance name |
| TopicNum | Integer | Number of topics |
| TopicNumLimit | Integer | Maximum number of topics per instance |
| TpsLimit | Integer | TPS throttle value |
| CreatedTime | Integer | Creation time, in seconds |
| Remark | String | Remarks |
| InstanceStatus | String | Instance status. RUNNING: running; MAINTAINING: maintaining; ABNORMAL: abnormal; OVERDUE: in arrears; DESTROYED: deleted; CREATING: creating; MODIFYING: adjusting the configuration; CREATE_FAILURE: creation failed; MODIFY_FAILURE: configuration adjustment failed; DELETING: deleting. |
| SkuCode | String | Specifies the instance specification. |
| MaxSubscriptionPerClient | Integer | Maximum number of subscriptions for a single client. |
| AuthorizationPolicyLimit | Integer | Number of authorization rules. |
| ClientNumLimit | Integer | Maximum number of clients. |
| DeviceCertificateProvisionType | String | Specifies the registration method for the client certificate. JITP: automatically register. API: register manually through api. |
| AutomaticActivation | Boolean | Specifies whether to automatically activate the device certificate during automatic registration. |
| RenewFlag | Integer | Whether the instance is automatically renewed. this parameter is valid only for monthly subscription clusters. valid values: 1 (auto-renewal), 0 (non-automatic renewal). |
| PayMode | String | Billing mode. POSTPAID: pay-as-you-go billing. PREPAID: monthly subscription. |
| ExpiryTime | Integer | Expiry time. millisecond-level timestamp. |
| DestroyTime | Integer | Scheduled destruction time. millisecond-level timestamp. |
| X509Mode | String | TLS, one-way authentication. mTLS, mutual authentication. BYOC, one certificate per device. |
| MaxCaNum | Integer | Specifies the maximum Ca quota. |
| RegistrationCode | String | FPS cert registration code. |
| MaxSubscription | Integer | Maximum number of subscriptions for a cluster. |
| AuthorizationPolicy | Boolean | Authorization policy switch. |
| SharedSubscriptionGroupLimit | Integer | Maximum limit of shared subscription groups. |
| MaxTopicFilterPerSharedSubscriptionGroup | Integer | Specifies the topic filter number limit for each shared subscription group. |
| AutoSubscriptionPolicyLimit | Integer | Specifies the limit on number of auto-subscription rules. |
| MaxTopicFilterPerAutoSubscriptionPolicy | Integer | Specifies the number limit of TopicFilter in a single auto-subscription rule. |
| UseDefaultServerCert | Boolean | Specifies whether to use the default server certificate. |
| TrustedCaLimit | Integer | Maximum allowed number of server cas. |
| ServerCertLimit | Integer | Specifies the maximum allowed number of server certificates. |
| TopicPrefixSlashLimit | Integer | Specifies the max level of the topic prefix. |
| MessageRate | Integer | Specifies the speed limit for sending messages by a single client in messages per second. |
| TransportLayerSecurity | String | Specifies the protocols supported by the server tls, separated by ",". example: TLSv1.3,TLSv1.2,TLSv1.1,TLSv1. |
| MessageEnrichmentRuleLimit | Integer | Specifies the message property enrichment rule quota. |
| RequestId | String | The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem. |
POST / HTTP/1.1
Host: mqtt.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeInstance
<Common request parameters>
{
"InstanceId": "mqtt-7peanr83"
}{
"Response": {
"AuthorizationPolicy": false,
"AuthorizationPolicyLimit": 20,
"AutoSubscriptionPolicyLimit": 10,
"AutomaticActivation": true,
"ClientNumLimit": 4000,
"CreatedTime": 1756879989,
"DestroyTime": 0,
"DeviceCertificateProvisionType": "API",
"ExpiryTime": 1759471988911,
"InstanceId": "mqtt-7peanr83",
"InstanceName": "instance-1",
"InstanceStatus": "RUNNING",
"InstanceType": "PRO",
"MaxCaNum": 20,
"MaxSubscription": 120000,
"MaxSubscriptionPerClient": 30,
"MaxTopicFilterPerAutoSubscriptionPolicy": 20,
"MaxTopicFilterPerSharedSubscriptionGroup": 10,
"MessageRate": -1,
"PayMode": "PREPAID",
"RegistrationCode": "client-test",
"Remark": "",
"RenewFlag": 1,
"ServerCertLimit": 3,
"SharedSubscriptionGroupLimit": 20,
"SkuCode": "pro_2k_2",
"TopicNum": 0,
"TopicNumLimit": 300,
"TopicPrefixSlashLimit": 2,
"TpsLimit": 2000,
"TransportLayerSecurity": "TLSv1.3,TLSv1.2,TLSv1.1,TLSv1",
"TrustedCaLimit": 3,
"UseDefaultServerCert": true,
"X509Mode": "BYOC",
"RequestId": "8a95a551-ca77-45f6-aa00-77a090cac898"
}
}TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.
| Error Code | Description |
|---|---|
| ResourceNotFound.Instance | ResourceNotFound.Instance |
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