Best SMS API Providers with a Free Trial of 2025

Voxvalley's cloud communications platform allows you to easily add real-time communication features into your existing web and mobile apps using secure and scalable SDKs/APIs. Your business can use SMS API to establish two-way communication with customers. This can be achieved with both short and long codes. This allows you to send large numbers of B2C messages using short codes, while long codes allow you to run SMS promotions. SMS API integration allows you to create a unique sender ID that customers can easily recognize and identify your brand. You can also send transactional and promotional alerts via SMS to keep customers informed and engaged. DID numbers can be used for international calling/toll-free numbers. This allows you to reach customers with local numbers which is more reliable. You can also get HD audio quality and great coverage for a reasonable price with DID numbers.

You can choose your SMS number from any one of 24 countries. WebSMS, SMS API or any other method you prefer. Get global SMS messaging started immediately. Connected to more that 1017 mobile and fixed networks around the world. Data centers in Europe and the USA provide high-throughput routes. You can send quick messages online using WebSMS from the console. Access to a dedicated SMS API for bulk message sending and receiving. Inbound messages can be forwarded to another phone number, an e-mail address, and a script URL. Our SMS Phone Numbers allow you to text your friends, family, employees, customers, and colleagues from all corners of the globe. Two-way SMS communication is possible using virtual mobile or SMS numbers. To receive any SMS, you will need a real mobile number that is located on a SIM card. Personalized bulk messaging. Use Unicode. Lease of long-term SMS numbers, SIM numbers, virtual numbers.

Mobile Message, an SMS platform owned by Australia, allows businesses to send SMS in bulk, manage customer communications and run SMS campaigns at a low cost. Mobile Message offers a cost-effective option for businesses of any size. There are no monthly fees, and prepaid credits start at just 2C/per message. Our platform ensures reliable and fast delivery of promotional texts, appointment notifications, or important updates across all major Australian carriers. Mobile Message offers local customer service, flexible options such as dedicated numbers, and credits that never expire.

Direct7 Networks is an online messaging service provider that helps businesses communicate effectively with their customers. The platform offers a user-friendly API that allows brands to integrate seamlessly. This allows brands to send out real-time notifications and the correct notifications to their customers. Businesses can also send text messages individually or in bulk via our streamlined API. This API is compliant with Unicode and standard messaging requirements. The API integrates seamlessly with the framework, allowing for seamless customizations to make it more compatible with the network and to send messages. The 2FA OTP service is simple, quick, instantaneous, automated by nature and affordable. Users can complete relevant tasks in as little as 20 seconds. This ensures complete security against frauds.

Shree Tripada Infomedia India Private Limited Ltd. is one of the most trusted bulk SMS providers in India. They offer services such as promotional SMS, OTP SMS and API integration. They have over 12 years' experience in helping businesses improve communication and connect with their customers. They also offer RCS Messaging and WhatsApp Business API for reliable and efficient messages. They offer 24/7 support, a strong infrastructure and affordable pricing to help businesses of all sizes stay connected.

Grizzly SMS service provides virtual numbers to receive sms or register on popular sites. The site's system allows for instant SMS and a confirmation code. The platform allows you to pass verification in a matter of seconds in WhatsApp, Telegram and other popular sites like Facebook, TikTok, Gmail, Viber and Viber. There are mobile operators in the USA, India and Turkey, Germany, China, Canada and UK, as well as many other countries. What is Grizzly SMS? - SMS activation for all popular services - fast sms delivery; - Numbers from 150+ countries - API for automated SMS receiving; - 24/7 support. The site is intuitive and easy to use, even for new users.