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      Help Center/ IoT/ FAQs/ Secondary Development/ FAQs About Application Development/ Subscription and Push
      Updated on 2022-02-24 GMT+08:00
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      Subscription and Push

      • Invalid Callback Address Occurs When Calling the Subscription API
      • How to Obtain the subscriptionId When Calling the Querying Subscription in Batches API
      • Application Server Fails to Receive Data Pushed by the IoT Platform
      • How Do I Export the HTTPS Push Certificate
      • Difference Between deviceDatachanged and deviceDataschanged
      • How Does an Application Server Obtain the IMEI of Devices
      • Application Server Receives Data But an Error Is Displayed on the IoT Platform
      • Push Messages May Fail to Be Sent to Application Servers
      • How Does an Application Servers Obtain The Address Used by the IoT Platform to Push Messages
      • Does the IoT Platform Supports Re-push
      • How Does an Application Server Receive a Command Status Change Notification
      • Application Servers That Have Subscribed to Confirmation Notifications and Command Response Notifications Fail to Receive Push Messages
      • Does the IoT Platform Support Only HTTPS Callback Addresses
      • Can the IoT Platform Push Data Reported by Different Devices Under the Same Application to Two Servers
      • Can a Subscription Address Be a Domain Name
      • Can a Callback Address Be Changed
      • How Do I Obtain the Callback URL When Calling the Subscription API
      Parent topic: FAQs About Application Development

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