Message & SMS
Message & SMS
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What's New
Function Overview
Product Bulletin
Notice on Adjusting Message & SMS for Accounts in Arrears
Service Overview
Overview
Mode 1: Pay-per-Use Billing upon SMS Package Runout
Signature and Template Rules
Infographics
Chinese Mainland SMS Signature Rules
Template and Variable Specifications
Template Example
Sending Rules and Restrictions
SMS Length Calculation
Limitations on SMS Sending Frequency
SMS Bombing Prevention
SMS Barring
International SMS Sending Rules
Mode 2: Suspension upon Resource Package Runout
Template Rules
Template and Variable Specifications
Template Example
Sending Rules and Restrictions
SMS Length Calculation
SMS Bombing Prevention
SMS Barring
International SMS Sending Rules
Permission Management
Message & SMS Service Agreement
Price Details
Overview
Pay-per-Use Billing
Overview
Pricing Details
Impacts of Arrears
SMS Packages (Pay-per-Use Billing upon SMS Package Runout)
Overview
Pricing Details
Purchase Process
SMS Package Details
Expiration and Overdue Payment
Resource Packages (Suspension upon Resource Package Runout)
Overview
Pricing Details
Purchase Process
Remaining Quota
FAQs
Getting Started
Mode 1: Pay-per-Use Billing upon SMS Package Runout
How to Use International SMS
How to Use Chinese Mainland SMS
Mode 2: Suspension upon Resource Package Runout
How to Use International SMS
Purchase Guide
Mode 1: Pay-per-Use Billing upon SMS Package Runout
Purchasing an International SMS Package
Mode 2: Suspension upon Resource Package Runout
Purchasing an International SMS Resource Package
User Guide
Enabling Message & SMS
Selecting a Service Mode
Mode 1: Pay-per-Use Billing upon SMS Package Runout
Resource Introduction
Creating an SMS Application
Chinese Mainland SMS Application
International SMS application
Applying for an SMS Signature
Chinese Mainland SMS Signature
Applying for an SMS Template
Chinese Mainland SMS Template
International SMS Template
Using Group SMS Assistant
Viewing Statistics (New Version)
Chinese Mainland SMS Statistics
International SMS Statistics
Viewing Statistics (Old Version)
Chinese Mainland SMS Statistics
International SMS Statistics
Viewing Sending Details
General Management
Contact Management
Blocklist Management
Settings
Mode 2: Suspension upon Resource Package Runout
Resource Introduction
Creating an SMS Application
Applying for an SMS Template
Using Group SMS Assistant
Viewing Statistics (New Version)
Viewing Statistics (Old Version)
Viewing Sending Details
Resource Package Management
General Management
Contact Management
Settings
Permission Management
Creating a User and Assigning Message & SMS Permissions
Developer Guide
Beginner
Development Preparation
Code Examples
AK/SK Authentication (Recommended)
Java
PHP
Python
C#
Node.js
Go
X-WSSE Authentication
Java
PHP
Python
C#
Node.js
Go
API Reference
Before You Start
Overview
API Calling
Constraints
Concepts
API Overview
APIs
Application, Signature, and Template APIs
Calling APIs
Making an API Request
Authentication
Response
Obtaining Required Information
Obtaining an Endpoint
Obtaining Account, User, and Project Information
SMS Application APIs
Querying an SMS Application
Creating an SMS Application
Querying the Number of Applications
Obtaining Application Details
Modifying an SMS Application
SMS Signature APIs
Querying Signature Information
Creating an SMS Signature
Obtaining Signature Details
Modifying an SMS Signature
Deleting an SMS Signature
Applying for Activating a Signature
Querying an Application File
Uploading an Application File
SMS Template APIs
Querying the Country or Region to Which SMSs Are Sent
Querying an SMS Template
Creating an SMS Template
Obtaining Template Details
Modifying an SMS Template
Deleting an SMS Template
Querying Template Variables
Deleting SMS Templates in Batches
SMS Sending and Receiving APIs
Calling APIs
Authentication
API Usage Description
SMS Sending API
Batch SMS Sending API
Status Report Receiving API
Batch Status Reports Receiving API
Appendixes
Status Codes
Error Codes
API Error Codes
SMS Status Error Codes
Change History
FAQs
FAQs
Product Specifications
How Do I Enable the Message & SMS Service?
What Are the Differences Between International SMSs and Chinese Mainland SMSs?
What Are the Differences Between Pay-per-Use Billing upon SMS Package Runout (Mode 1) and Suspension upon Resource Package Runout (Mode 2)?
In Which Countries and Regions Is the Message & SMS Service Available?
Which Countries and Regions Can International SMSs Be Sent to?
How Many Characters Can an SMS Contain?
Is MMS Supported?
What Languages Are Supported?
What Protocols Does the Message & SMS Service Support?
What Is the Recommended Number of Concurrent SMSs per Second on the Message & SMS Platform?
What Are the SMS Arrival Rate and Delay of the Message & SMS Platform?
Which Number Segments Does the Message & SMS Service Support?
Which Websites and Regions Support the Message & SMS Service?
Do SMS Backend Services Support Multi-AZ Redundancy?
Does the Message & SMS Service Support Display of Company Names and Logos?
Is the Message & SMS Service a SaaS Service?
Is the Message & SMS Service a Global-level or Project-level Service?
Will I Be Billed for the Message & SMS Service If I No Longer Use it?
Which Number Segments Does Message & SMS Support?
Signature (Chinese Mainland SMS)
Signature Rules
How Long Does It Take to Review a Signature?
How Do I Modify an SMS Signature?
How Do I Delete an SMS Signature?
Can SMS Signatures Have the Same Name But Different Types?
Can a User Apply for Multiple SMS Signatures?
How Do I Increase the Signature Quota?
Can One SMS Signature Be Used in Multiple SMS Templates?
Can I Create Duplicate SMS Signatures Under the Same or Different Applications?
Why Is an SMS Signature in Deactivated State? How Do I Activate a Signature?
How Can I Apply for a Signature If the Application or e-Commerce Platform Shop Is Being Developed and Link Addresses Cannot Be Provided?
What Do I Do If the Enterprise for Which a Signature to Be Applied for Differs from the Enterprise Authenticated Using Real Name?
Can I Apply for an SMS Signature Without a Business License?
Can the Signature Name Be Placed at the End of an SMS Message?
Can I Modify the Power of Attorney When Applying for a Signature?
Can I Select Multiple Signature Formats When Applying for a Signature?
How Do I Obtain the Template of a Power of Attorney of the Third Party?
Template
Template and Variable Specifications
How Long Does It Take to Review a Template?
How Do I Modify an SMS Template?
How Do I Delete an SMS Template
How Do I Use a General SMS Template? (Chinese Mainland SMS)
How Can I View the Content and Related Information of an SMS Template?
Can I Set the Text Format (Such as Underline and Font Color) in an SMS Message Template?
What Can I Do If an SMS Template Is Approved and Deactivated?
Do SMS Templates Support Links?
How Do I Configure Variables in an SMS Template?
Is There a Limit on the Number of SMS Templates and Use Times?
How Do I Increase the Template Quota?
Can I Customize SMS Content Without a Template?
Application
How Do I Change the SMS Application Name?
How Do I Modify the Uplink SMS Destination? (Chinese Mainland SMS)
Can I Delete an SMS Application
How Do I Create Multiple SMS Applications?
What Is the Uplink SMS Destination? Does It Have to Be a Website? (Chinese Mainland SMS)
Can the SMS Platform Send Uplink SMS Messages to Corresponding Destination Addresses in Different Applications? Is Sending Uplink SMS Messages Charged? (Chinese Mainland SMS)
Can International SMS and Chinese Mainland SMS Share the Same SMS Application and Template?
How Do I Distinguish SMS Applications Created Using Different IAM Accounts?
How Do I Send Different Types of SMSs? (Chinese Mainland SMS)
What Are the Functions of SMS Applications?
Verification
Can Individual Users Use the Message & SMS Service?
Can BP Accounts Use the Message & SMS Service?
Can IAM Users Use the Message & SMS Service?
Can a Partner Account Use the Message & SMS Service?
Can I Create an IP Address Whitelist for an SMS Application and How Can I Create It?
Secondary Development
How Do I Obtain the Application Access Key from the Message & SMS Platform?
How Do I Obtain the HTTPS Commissioning Certificate from the Message & SMS Platform?
How Can I Get the Channel No. Required to Send a Short Message?
Does SMS API Calling Have PHP and Java Version Requirements?
Why a Preset 6-Digit Verification Code Becomes a 5-Digit Verification Code After Being Sent?
What Is the Callback Address? How Do I Set This Address?
Does the Message & SMS Service Support Privatized Deployment?
Can the SMS API Be Called by an Internal Network (For Example, an ECS Server)?
Why Can an SMS Sending Request to an Incorrect Recipient Number Be Successful?
Must the Message & SMS API Request Address Be a Domain Name? Does the Service Provide a Fixed IP Address?
Does Message & SMS Provide SDKs?
Is the Message & SMS Service Affected If the Region Where the Service Is Enabled Is Different from the Region Where Servers Are Located?
SMS Sending
How Do I Send Group SMSs?
How Do I Determine Whether an SMS Was Sent Successfully
How Do I Improve the SMS Success Rate?
Can I Cancel the Sending of an SMS?
Is the SMS Sending Time Restricted? (Chinese Mainland SMS)
What Numbers Are Presented to SMS Recipients?
What is the Function of SMS Channel Numbers?
Does the Message & SMS Platform Send an SMS Only Once to Duplicate Numbers?
How Do I Export Failed Numbers in Batches When I Use the Group SMS Assistant?
Will SMSs Fail to Be Sent Using the Group SMS Assistant If the User Is in Arrears?
Can I View the Content of a Successful or Failed SMS?
Can I Use an SMS to Send a Dynamic Short Link?
How Can I View SMS Sending Tasks and Details?
Can I Export SMS Send Details?
How Do I Wrap Text When Sending an SMS?
Why Can I Send an SMS When My Account Balance Is Zero?
Can I Limit the Quota of SMS Messages That Can Be Sent by an Application or a Signature?
How Do I View the Cause of an SMS Sending Failure?
Package and Fee
Is a Failed SMS Billed?
How Much Does the Message&SMS Service Need to Be Pre-paid?
Can I Have Free Trial or Free Tier of the SMS Service?
Will Message & SMS Resources Be Released If an Account Is in Arrears?
How Can I View the SMS Fees?
Can I Unsubscribe from an SMS Package?
Can Unused Quotas Be Refunded?
Can I Modify the SMS Package Specifications?
How Can I View the Remaining Quota of the SMS Package?
Can an SMS Package Be Used by Different Accounts?
Can I Use an SMS Package Across Regions?
How Long Is the Validity Period of an SMS Package? Can I Modify It?
Can I Renew or Repeatedly Purchase SMS Packages?
Can I Set a Quota Usage Alert for an SMS Package?
Can I Use a Huawei Cloud SMS Package in a Third-Party Cloud?
How Do I Purchase a Chinese Mainland SMS Package?
Can an International SMS Package Be Used to Cover the Chinese Mainland SMS Fees?
Why Am I Billed on a Pay-per-Use Basis After I Purchased an SMS Package?
How Does China Broadnet Charge for SMSs? (Chinese Mainland SMS)
How Is the Group SMS Assistant Charged?
Troubleshooting
What Do I Do If an Error Occurs When I Enable the Message & SMS Service?
Why Is the Signature Review Rejected? (Chinese Mainland SMS)
What Do I Do If an Error Is Reported When I Upload a Business License During Signature Adding? (Chinese Mainland SMS)
Why Are the Applications, Signatures, and Templates Lost?
Template Rejection Reasons and Handling Suggestions
Why More than One Segment Is Displayed in Template Details?
Why Is My SMS Application Paused? How Can I Recover It to the Normal State?
What Do I Do If Message & SMS API Calling Times Out?
What Do I Do If an SSL Connection Error Occurs During API Calling?
How Do I Do If the Test Mobile Number Cannot Receive SMSs Because the Sending Frequency Reaches the Upper Limit During SMS API Test?
Why Does a Phone Not Receive an SMS After an API Is Called?
What Do I Do If an Exception Occurs When I Access the Message & SMS Console?
What Can I Do If the Error "Failed to retrieve reminders." Is Displayed on the Console?
What Do I Do If the Console Displays a Message Indicating that Basic Tenant Information Fails to Be Queried?
Why Does IAM Permissions Granted to a Message & SMS Member Account Fail to Take Effect?
What Do I Do If an International SMS Failed to Be Sent?
Why Does an SMS Fail to Be Sent?
Why Some Numbers Cannot Receive SMSs?
Why Send Result Is Displayed as Sending or the SMS Is Received After a Long Time?
Why Is a Link in an SMS Displayed as Text?
Why Is the SMS Quantity on the Console Two Times of the Recipient Number Quantity?
What Do I Do If "The recipient number quantity is out the range of 1–50000." Is Displayed After Uploading a Number File?
Why an SMS Signature and an SMS Template Cannot Be Selected in the Group SMS Assistant?
Why Is the Status Code of an SMS REJECTD?
What Do I Do If an SMS Is Intercepted by the Phone Security Manager as a Junk Message?
Why Is a Recipient Blacklisted After Replying "T"? How Do I Remove the Recipient from the Blacklist?
Why Is a Received SMS Displayed as Garbled Characters?
What Do I Do If an SMS Fails to Be Sent and Error Code E200028 Is Reported?
What Do I Do If the Message "Could Not Derive Key" Is Displayed When I Commission the SMS Sending Function?
Others
What Are the Rules for SMS Barring?
Can Message & SMS Resources Be Transferred Across Accounts?
Can I Use the Message & SMS Service in Other Cloud Services (Such as Cloudsite Service) If Another Account Has Enabled the Message & SMS Service?
Can I Migrate SMS Templates and Signatures Archived on a Third-Party Cloud Platform to HUAWEI CLOUD?
Can I Use Huawei Cloud Message & SMS When My Services Are Deployed on Other Cloud Platforms?
How Do I Enable the Message & SMS Service Again After It Is Disabled Due to Arrears?
Are There Any Requirements on the Format of the Number File to Be Imported When Using the Group Message Assistant?
Are There Any Requirements on the Format of the Mobile Numbers Entered When Calling APIs to Send SMSs?
Where Are Message & SMS Servers Deployed?
How Long Is the Test Signature and Template Valid for? (Chinese Mainland SMS)
How Do I Query SMS Messages Replied by Subscribers (Uplink SMS Messages)? (Chinese Mainland SMS)
How Do I Use a Test Signature and Template? (Chinese Mainland SMS)
How Can I Associate a Downlink SMS with an Uplink SMS? (Chinese Mainland SMS)
Is the Downlink SMS ID the Same as the Uplink SMS ID? (Chinese Mainland SMS)
How Long Can SMS Sending Records and Service Statistics Be Stored?
Videos
General Reference
Glossary
Service Level Agreement
White Papers
Endpoints
Permissions