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TDMQ for MQTT

Release Notes and Announcements
Release Notes
Product Introduction
TDMQ Product Series Introduction and Selection
What Is TDMQ for MQTT
Scenarios
Technical Architecture
Product series
MQTT Protocol Compatibility Notes
Comparison with Apache
High Availability
Product Constraints and Usage Quota
Basic Concepts
Supported Regions
Billing
Billing Overview
Renewal Instructions
Viewing Consumption Details
Overdue Payment Instructions
Refund
Getting Started
Guide for Getting Started
Preparations
Public Network Access
VPC Network Access
User Guide
Usage Process Guide
Configuring Account Permission
Creating a Cluster
Managing Topic
Connecting to the Cluster
Querying Messages
Managing Client
Managing a Cluster
Viewing Monitoring Metrics and Configuring Alarm Policies
Data Integration
Integrating Data Into SCF
Integrating Data Into CKafka
Integrating Data into RocketMQ
Development Guide
MQTT 5 Advanced Features
Data Plane HTTP API Description
Quota and Flow Control Mechanism Description
Configuring a Custom Domain Name
Configuring SQL Filtering
Configuring Point-to-Point Subscription
MQTT over QUIC
Managing Client Subscription
Message Enhancement Rule
Use Cases
Must-Knows for MQTT Client Development
Observability
Topic and Wildcard Subscriptions
​​API Reference
History
Introduction
API Category
Making API Requests
Cluster APIs
Topic APIs
Authorization Policy APIs
User APIs
Client APIs
Message Enhancement Rule APIs
Message APIs
Data Types
Error Codes
SDK Reference
Access Point Format
Java SDK
C SDK
Javascript/Node.JS/Mini Program
Go SDK
iOS SDK
JavaScript SDK
Dart SDK
Python SDK
.NET
Security and Compliance
Permission Management
FAQs
Related Agreement
Privacy Policy
Data Privacy And Security Agreement
TDMQ for MQTT Service Level Agreement
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DocumentationTDMQ for MQTT​​API ReferenceAPI Category

API Category

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Last updated: 2026-01-08 19:47:20

Cluster APIs

API Name Feature Frequency Limit (maximum requests per second)
DescribeInstance Query MQTT instance details 20
CreateInstance Purchase an MQTT instance 20
DeleteInstance This API is used to delete an MQTT instance. 20
AddClientSubscription This API is used to add a subscription for an MQTT client. 20
DeleteClientSubscription Delete a subscription for an MQTT client 20
ModifyInstance Modify MQTT instance attributes 20
DescribeClientList Query the MQTT client list 20
DescribeMessageDetails Query MQTT detailed information 20

Topic APIs

API Name Feature Frequency Limit (maximum requests per second)
DeleteTopic This API is used to delete an MQTT topic. 20
DescribeTopic Query MQTT topic details 20

Authorization Policy APIs

API Name Feature Frequency Limit (maximum requests per second)
CreateAuthorizationPolicy Creates an authorization policy 20
DescribeAuthorizationPolicies Query an authorization policy 20
UpdateAuthorizationPolicyPriority Update authorization policy priority 20
ModifyAuthorizationPolicy Modify an authorization policy 20
DeleteAuthorizationPolicy Delete an authorization policy 20

User APIs

API Name Feature Frequency Limit (maximum requests per second)
CreateUser Adds an MQTT role 20
DescribeUserList Query the MQTT user list 20
DeleteUser Delete an MQTT role 20
ModifyUser This API is used to modify an MQTT role. 20

Client APIs

API Name Feature Frequency Limit (maximum requests per second)
KickOutClient Kick out a client 20

Message Enhancement Rule APIs

API Name Feature Frequency Limit (maximum requests per second)
UpdateMessageEnrichmentRulePriority Update message enhancement rule priority 20
ModifyMessageEnrichmentRule Modify message enrichment rule 20
DeleteMessageEnrichmentRule Delete message enrichment rule 20
CreateMessageEnrichmentRule Create message enrichment rule 20
DescribeMessageEnrichmentRules Query message enrichment rules 20

Message APIs

API Name Feature Frequency Limit (maximum requests per second)
DescribeMessageByTopic Query messages based on subscription 20
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