Short Message Service

Fast, stable, easy-to-use short message service with wide coverage of 200+ countries and regions for easy access to users across the world.


Bases on Tencent's over a decade of experience and technology accumulation in short message service, Tencent Cloud Short Message Service (SMS) provides high-quality verification code, notification and marketing text message services designed to help customers quickly and easily reach their end users around the globe for seamless business expansion. In addition, International Short Message Service (ISMS) offered by SMS supports messages in multiple languages and formats with wide coverage of 200+ countries and regions.


Global Reach

With ISMS, you can send messages from China or abroad to mobile numbers registered in Hong Kong, Macao, Taiwan and other countries and regions overseas.

Fast and Reliable Delivery

Through its collaboration with various direct connection channels around the world, ISMS can deliver more than 90% of messages in 10 seconds or less and provides first-class service quality and reliability. It supports various platforms with over 100 million users such as QQ and WeChat with a 99% delivery rate, enabling message delivery in just seconds.

Convenient Access

Simple and straightforward ISMS access documentations allow you to set up access in as quickly as ten minutes and launch the service in under one hour. ISMS can be accessed through many different channels such as the Tencent Cloud Console, API and SDK.

Smart Scheduling

Together with a great amount of dedicated carrier tunnels, the smart scheduling algorithm enables customers to easily cope with online traffic surges. Further, the performance of disaster recovery and backup features is guaranteed thanks to the multi-regional carrier deployment.

Real-time Monitoring

You are provided with timely delivery report after a message is sent. Multi-dimensional real-time monitoring and smart scheduling ensure the security and reliability of the message delivery service.

Statistical Analysis

Various multi-dimensional reports can be generated for a specified time period such as number of messages sent, delivery success rate, failure percentage and details, as well as delivery report details. You can also view the logs of messages delivered to an individual mobile number for a specified time period. These comprehensive data reports provide statistical analyses that aid efficient business decision-making.


Tencent Cloud ISMS provides SMS services such as verification codes, system notifications and event notifications that help you meet the needs of various basic services and operational activities.
Customizable Signatures

An SMS signature placed before the message content serves to identify the company or business sending the message. Company name, product name, website address, brand name, WeChat Official Account or Mini Program name and their corresponding abbreviations can be used in the signature.


SMS Verification Codes

ISMS can send text verification codes (digits or digits + letters) to mobile numbers for signup, login, password authentication, payment confirmation and identity verification for apps or websites. It supports various platforms with over 100 million users such as QQ and WeChat with 3+ billion CSMS and ISMS messages delivered on a monthly basis.

System Notification Pushes

ISMS can be used for lifestyle service notifications such as mobile payment, online shopping, bank card payment, account login, suspicious login, order confirmation, consumption reminders, shipment tracking, traffic violations and travel updates. It supports large capacity and high concurrence for better security and reliability.

Backends of Mobile and Web Applications

ISMS can be used to send operational or marketing messages on various topics such as user care, holiday greetings, new product launches, product sales, discount coupons, business promotions and event invitations, helping you precisely target users around the world.


Currently, Tencent Cloud SMS supports sending international text messages billed monthly in a postpaid manner. Prices vary for different countries and regions. The service is charged based on the number of successfully delivered messages; there is no charge for messages with returned delivery failure reports. For more information, please refer to the ISMS Billing Terms. For details on country/region-specific prices, please refer to the ISMS Pricing Doc. Sending text messages to users in China is not supported by ISMS for the time being; however, this feature will be available as soon as possible.