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DLT News: DLT is now live and accounts that have added Entity ID/Registration ID and DLT-approved headers can send messages. Read more...   Rat SMS is one of 3 bulk SMS aggregators with direct operator connectivity from Airtel, Jio, VodaIdea & BSNL in Chennai.


Developer API

Integrating any application in minutes with our feature rich SMS APIs

Sample code of 10+ languages
Comprehensive documentation
Reliable, Secure, and scalable SMS APIs trusted by over 7000 developers
Access to APIs is free forever, pay only for SMS credits
Get 24/7 integration and support from our in-house team of experts.


We support more than ten programming languages.

API Code samples

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We offer a robust, scalable, and cloud-based infrastructure.
Our in-build redundancy provides near-zero downtime.
Our intelligent routing systems select the best possible routes.

We are one of the top 10 best sms gateway in india.                                                                                                                                                                                                  We offer secure SMS gateways that are trusted by leading banks.
We provide best-in-class SMS delivery.
We provide direct connectivity with leading telecom operators.
We provide unmatched delivery for one or more than thousands of SMSs.
We offer the best prices in the market.
Our services allow free access to APIs and pay only for the SMS credits.
We integrate automated SMS services for your applications, website, or CRM using SMS APIs.
We offer a dedicated technical support team for your services.
Our experts are available 24/7 to assist you with the integration requirements.
We offer customized integration services to meet your specialized business requirements.

One place for all your SMS needs

Rat SMS offers flexible and easy adaptable SMS API gateways that allow you to start sending SMS from your applications in minutes.

We easily integrate any application with Secure, reliable, and Robust SMS APIs.

Our API Integrations are fast, flexible, and very scalable.

Our SMS service integration allows you to send promotional or transactional SMS using web UI, APIs, Emails, or mobile applications. Additionally, we integrate SMS receiving or missed call alerts, set up tiered accounts, and many more functionalities using a single platform.

We help integrate automated texting by sending and receiving SMS via our SMS APIs and access sample codes in PHP, JAVA, .NET, and other programming languages.

We are the best Promotional SMS provider in overall India.

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