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Message Queue for MQTT
Release notes
Documentation usage guide
Product Introduction
What is Message Queue for MQTT?
Terms
Limits
Use Case
Real-Time Communication solution (MQTT)
New Retail Digital Price Tag Solution (MQTT)
Unified management of Cloud Storage Gateway (CSG) instances based on MQTT
Quick Start
Use Message Queue for MQTT SDK for Java to send and subscribe to messages without cross-service data exchanges
Function Overview
Send and subscribe to messages
Obtain offline MQTT messages
Obtain the online status of the MQTT client
Data interoperability across cloud products
Message structure mappings between Message Queue for MQTT and Message Queue for Apache RocketMQ
Data inflow across cloud products
Export data from Message Queue for MQTT to other Alibaba Cloud services
Export online and offline events of Message Queue for MQTT clients
P2P Messaging model (MQTT)
Billing
Billing
Instance types
Pay-as-you-go
Subscription
Change the billing method of an instance from subscription to pay-as-you-go
Overdue payments
Device Developer Guide
SDK Reference
Demo project
Download the SDK
API references
Authorization and Authentication
Authentication overview
Signature authentication
Token-based authentication
Overview of token-based authentication
Client-related operations in token-based authentication
Application server-related operations in token-based authentication
Unique-certificate-per-device authentication mode
Overview of unique-certificate-per-device authentication
Unique-certificate-per-device authentication operations
Cloud Developer Guide
Control SDK Reference
Access control
Grant permissions to RAM users
Policies
Sample permission policies
Make API requests
Endpoints
Obtain SDKs for the control API
List of operations by function
Signature method
RAM user authorization
Common parameters
QPS limits
Error codes
Token management
ApplyToken
QueryToken
RevokeToken
Group management
CreateGroupId
ListGroupId
DeleteGroupId
Message sending
SendMessage
Client connection status query
QuerySessionByClientId
BatchQuerySessionByClientIds
Unique credential per device
RegisterDeviceCredential
GetDeviceCredential
UnRegisterDeviceCredential
RefreshDeviceCredential
Trace query
QueryMqttTraceDevice
QueryMqttTraceMessageOfClient
QueryMqttTraceMessagePublish
QueryMqttTraceMessageSubscribe
Console User Guide
Manage instances
Manage topics
Manage groups
Manage rules
Manage data inbound rules
Manage data outbound rules
Manage rules for client status notification
View resource statistics
Query the status of a device
Query the connection history of a device
Query the message traces
Clear subscriptions for a topic
FAQ
Contact us
Legacy
Upgrade From V2.x.x To V3.x.x
Changes in using resources
Changes in instance management
Changes in topic management
Changes in the message publish-subscribe process
Changes in using the OpenAPIs
V2.x.x Documentation
Product introduction
What is Message Queue for MQTT?
Terms
Scenario-based solutions
Real-Time Communication solution (MQTT)
New Retail Digital Price Tag Solution (MQTT)
Unified management of Cloud Storage Gateway (CSG) instances based on MQTT
Quick start
MQTT quick start
Functions
Send and receive messages
Obtain offline MQTT messages
Obtain the online status of the MQTT client
P2P Messaging model (MQTT)
Billing
Overview
SDK reference
Demo project
Download the SDK
Limits
Comparison between MQTT and RocketMQ
Application scenario comparison of MQTT and RocketMQ
Message structure mappings between MQTT and RocketMQ
MQTT client authentication
Authentication overview
Signature authentication
Token authentication
Overview of token authentication
Application server-related methods in token authentication
Client-related methods in token authentication
Access control (permission management)
Grant permissions to RAM users
Permission
Example permission policies
OpenAPI reference
API overview
Make API requests
Obtain SDKs for the Message Queue for MQTT API
Request signatures
RAM user authorization
Common parameters
QPS limit
Application server-related methods in token authentication
ApplyToken
QueryToken
RevokeToken
Error codes
Group management
CreateGroupId
ListGroupId
DeleteGroupId
Console guide
Instance operations
Statistics
Query by joining
Tracing
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This Product
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All Products
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