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    Message Queue for MQTT

    • Release notes
    • Documentation usage guide
    • Upgrade from V2.x.x to V3.x.x
      • Changes in using resources
      • Changes in the message publish-subscribe process
      • Changes in using the OpenAPIs
    • V3.x.x Documentation
      • 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
        • Use Message Queue for MQTT SDK for Java to subscribe to messages that are imported from another service
        • Use Message Queue for MQTT SDK for Java to send messages that are exported to another service
        • Use Message Queue for MQTT SDK for Java to send notification messages about the client status
      • Function Overview
        • Send and subscribe to messages
        • Obtain offline MQTT messages
        • Obtain the online status of the MQTT client
        • Data interoperability across cloud products
          • Data inflow across cloud products
          • Redirect outbound data to other cloud services
          • Export online and offline events of Message Queue for MQTT clients
        • P2P Messaging model (MQTT)
      • Pricing
        • Overview
        • Instance types
        • Pay-as-you-go
        • Subscription
        • Change the billing method of an instance from subscription to pay-as-you-go
        • Overdue payments
      • Comparison Between MQTT and MQ
        • Scenario comparison between Message Queue for MQTT and Message Queue for Apache RocketMQ
        • Message structure mappings between Message Queue for MQTT and Message Queue for Apache RocketMQ
      • Developer guide
      • Device Developer Guide
        • 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
        • SDK Reference
          • Demo project
          • Download the SDK
        • API references
      • Cloud Developer Guide
        • Access control
          • Grant permissions to RAM users
          • Policies
          • Sample permission policies
        • Make API requests
        • Endpoints
        • Obtain SDKs for the Message Queue for MQTT API
        • List of operations by function
        • Signature method
        • RAM user authorization
        • Common parameters
        • QPS limits
        • Error codes
        • Application server-related methods in token authentication
          • ApplyToken
          • QueryToken
          • RevokeToken
        • Group management
          • CreateGroupId
          • ListGroupId
          • DeleteGroupId
        • Message sending operations
          • SendMessage
        • Query client connections
          • QuerySessionByClientId
          • BatchQuerySessionByClientIds
        • Unique credential per device
          • RegisterDeviceCredential
          • GetDeviceCredential
          • UnRegisterDeviceCredential
          • RefreshDeviceCredential
      • Console User Guide
        • Instance management
          • Changes in instance management
          • Manage instances
        • Topic management
          • Changes in topic management
          • Manage topics
        • Manage groups
        • Manage rules
          • Manage data inbound rules
          • Manage data outbound rules
          • Manage rules for client status notification
          • Export data to an HTTP function of Function Compute
        • 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
        • FAQ
    • 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)
      • Pricing
        • 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
    • FAQ
    • Contact us
 

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    Message Queue for MQTT

    Message Queue for MQTT

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      • Release notes

        • Release notes
        Show more
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      • Documentation usage guide

        • Documentation usage guide
        Show more
        Show less
      • Upgrade from V2.x.x to V3.x.x

        • Changes in using resources
        • Changes in the message publish-subscribe process
        • Changes in using the OpenAPIs
        Show more
        Show less
      • V3.x.x Documentation

        • Product Introduction
        • Use Case
        • Quick Start
        • Function Overview
        • Pricing
        • Comparison Between MQTT and MQ
        • Developer guide
        • Device Developer Guide
        • Cloud Developer Guide
        • Console User Guide
        • FAQ
        Show more
        Show less
      • V2.x.x Documentation

        • Product introduction
        • Scenario-based solutions
        • Quick start
        • Functions
        • Pricing
        • SDK reference
        • Comparison between MQTT and RocketMQ
        • MQTT client authentication
        • Access control (permission management)
        • OpenAPI reference
        • Console guide
        Show more
        Show less
      • FAQ

        • FAQ
        Show more
        Show less
      • Contact us

        • Contact us
        Show more
        Show less
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