Popular Bulk SMS, WhatsApp Business API Messaging Services in the World

SMS Gateway Center, A Customer-Centric Organization for Bulk SMS, WhatsApp Messaging and Voice Call Services

Serving enterprises in India and all over the world with dependable and cost-effective Bulk SMS Gateway Services. We enable complete communication by providing WhatsApp Business API, Voice Call Services, and Virtual Numbers.

Our custom messaging solutions will enable you to start engaging your target audiences today. These solutions are built to grow alongside your business.

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Bulk SMS Gateway India


SMS Gateway Center is among the foremost providers of Bulk SMS Gateway Services in India.

Present your tech-savvy customers expecting seamless interactions with all mobile solutions under one roof, right from Bulk SMS Solutions, WhatsApp Business API Solutions, Voice Call Solutions, 2 Way SMS Solutions, Miss Call Solutions and many other solutions such as Survey SMS, Send Attachments in SMS, etc.,

Grow you business by Re-branding our SMPP, bulk SMS API and Web Interface Solutions. Display logo, favicon and change theme colors styling all at your convenience and get the best out of our Bulk SMS, WhatsApp Business API, Long code and Voice Call White Label Solutions.

In today's world, its all about securing your data when you deal with third party applications. Bulk SMS Message Encryption is an optional added security for all our bank and corporate customers in order to secure their data on our platform. No one can view the message without encryption secret key. Secret key is only shared privately with all our opted customers.

The Super Specialties of SMS Gateway Center

Quality Services at it's best

  • Scalability: Effortlessly manage bulk SMS messaging campaigns with a large volume of traffic.
  • Security: Protects confidential information using state-of-the-art encryption techniques.
  • Customization: Comprehensive solutions that cater to specific needs of businesses.

Powerful Messaging and Calling Services

For your very specific industry,
we have highly-tailored Omnichannel solutions.

Transactional SMS

Send transactional SMS alerts to your customers using our transactional SMS solutions. Best Transactional SMS pricing for all schools, colleges, travel sites, banks, etc.,

Explore Transactional SMS

OTP SMS

High Speed bulk SMS Gateway to send out One Time Password (OTP) SMS to users. An Exclusive SMS Gateway for OTP SMS Delivery. Fail-over method also available.

Explore OTP SMS

Promotional SMS

Best Promotional SMS pricing for all small and large corporate companies in India. Send out promotional content to all Non-DND registered numbers using bulk upload.

Explore Promotional SMS

WhatsApp Messaging API for Businesses

Send real-time updates, transaction alerts, and customer support through the WhatsApp Business API, enabling personalized experience for customers.

Explore WhatsApp Business API

OBD Voice Call

Leading Voice Calls Provider in India. Double up sales using voice call services. We offer Bulk Voice Calling Campaign Services in India.

Explore OBD Voice Call

Missed Call Alert

Let your clients reach you without any cost. Avail affordable Miss Call Alert services in India. Landline and Mobile VMNs also available.

Explore Missed Call Alert

WhatsApp Business API India

Transform Customer Communication with the WhatsApp Business API- Interact with your Clients Anytime and From Anywhere!

Unparalleled WhatsApp Business API Messaging

One of the easiest ways for companies to reach their customers, making use of the world's leading messaging application. With the WhatsApp Business API, businesses can now interact with their customers in a more effective and convenient manner.

Sending Messages via WhatsApp Business API

At SMS Gateway Center, we shall integrate WhatsApp Business API to your existing systems, so you can send real-time notifications, transaction updates, and offer customer service via the messaging app. Our specialists are ready and willing to assist you in using the platform for the benefit of your business.

With WhatsApp Business API, gone are the days when you would have to wait for someone to pick up your call or reply to your email. Customers' operational support can be offered instantaneously, and business operational costs can be significantly reduced while customer satisfaction remains high. Contact us today and begin unlocking your business with WhatsApp Business API!

Together with SMS Gateway Center, you can transform the way business is done, just like thousands of other businesses are already doing by using WhatsApp Business API to boost their customer relations and business acquisition.

WhatsApp Business API Messaging Illustration

17Years' Experience in Telecom & SMS Gateway Messaging Industry

Learn more about our Success Steps

CUSTOMERS SERVING(ED)

MILLION BULK SMS DELIVERY/PM

BULK SMS SOFTWARE DOWNLOADED

BULK SMS RESELLERS SERVING(ED)

Frequently Asked Questions about SMS Gateway Center Services

Bulk SMS is a tool enabling enterprises to send bulk SMS to thousands of customers at once which gets delivered instantly. It can also be used to promote services or send product updates and alerts. Benefits include:

  • High open rates compared to emails.
  • Instant delivery to a wide audience.
  • Cost-effective for bulk SMS marketing campaigns.

The WhatsApp Business API empowers companies to interact with their clients on WhatsApp on a larger scale. It allows for:

  • Setting up automated messaging for notifications, order updates and support.
  • Personalized messages through CRM integration.
  • Verified business profiles to build customer trust.

OBD (Outbound Dialing) Voice Call enables companies to communicate with customers by sending pre-recorded voice messages. It is ideal for:

  • Running promotional campaigns.
  • Delivering critical alerts or reminders.
  • Sending multi-language promotional voice messages.

Transactional SMS:

Designed to convey important messages such as One Time Passwords, order alerts or confirmations. Messages are always received, even with DND (Do Not Disturb) restrictions in place, 24/7.

Promotional SMS:

Used for marketing purposes like brand messages, discounts, or some special offers. These messages must be sent to a non-DND number and between 10am to 8pm.

Service Explicit Messages:

These require prior consent from the customer to receive updates. For example, promotional messages or offers related to a subscription service.

Service Implicit Messages:

These do not require explicit consent and are sent to provide essential information like account updates, OTPs, or transactional alerts.

We prioritize your data security by implementing robust encryption protocols, secure bulk SMS and WhatsApp Business APIs, and GDPR-compliant practices. Your customer data is safe with us.

Yes, our platform allows you to schedule bulk SMS, WhatsApp Business API and voice campaigns at specific dates and times, ensuring timely communication with your audience.

Our platform provides detailed bulk SMS and WhatsApp Business API analytics, including:

  • Delivery reports for bulk SMS, OBD Voice Call and WhatsApp Business API.
  • Open and click-through rates (for links in bulk SMS and WhatsApp Business API).
  • Real-time bulk SMS and WhatsApp Business API campaign insights to help optimize your strategy.

Absolutely! Our platform offers robust APIs for bulk SMS, WhatsApp Business API that integrate seamlessly with your CRM, ERP, or custom applications to automate and streamline communication.

Comprehensive solutions for bulk SMS, WhatsApp Business API, and OBD Voice Call.

  • Affordable pricing and customized plans.
  • Reliable delivery and 24/7 customer support.
  • Trusted by thousands of businesses across industries.

Yes, you can send messages in multiple languages to connect with a diverse audience. This is especially useful for reaching regional customers effectively.

Getting started is simple:

  1. Sign up on our platform.
  2. Choose the service you need (Bulk SMS, WhatsApp Business API, etc.,).
  3. Set up your campaign or integrate the API.
  4. Start engaging your audience!.

Satisfied Clients

World's Popular Brands are some of our satisfied clients.

At SMS Gateway Center, we strongly believe no client is too big nor too small
to work with us to obtain good advantage.

Metro Cash & Carry Hover
Samsung Hover
Limeroad Hover
Kurlon Hover
Tata Health Hover
Indian Medical Association Hover
Bharatiya Reserve Bank Note Mudran Hover
Bharat Co-operative Bank Mumbai Ltd Hover

Testimonials

Why do Great Businesses Trust SMS Gateway Center?

K

Kurlon IT

2022-08-04

We have tied up with other SMS providers also, but SMS GatewayCenter is quite good. Good Service from the team. We are very happy with the service be it accounts related or technical issue. We always get good response.

I

INOX Air Products

2018-02-09

We have an excellent experience with SMS Gateway Center. The services and support has been of very high standard.

S

Shalabh Arora

2025-04-11

I’ve been using SMSGatewayCenter’s bulk SMS and WhatsApp services since early 2022 for my small business, and the experience has been fantastic. The platform is intuitive, and the message delivery is incredibly reliable, reaching my customers without fail. The 24/7 support team is quick to assist, and the cost-effectiveness is a big plus. It’s transformed how I connect with my audience, and I highly recommend it to other entrepreneurs! (Google Revirews)

R

Reflex

2025-04-11

We’ve been using your bulk SMS services for a few months, and the results have been phenomenal. The open rates and customer engagement have gone through the roof. Highly recommend for any business looking to scale fast! (Google Revirews)

V

Vedanth Gowda

2025-04-18

I’m Vedanth Gowda, leading a finance business, and I’ve been leveraging SMSGatewayCenter’s bulk SMS and WhatsApp tools —absolutely transformative! The platform’s speed and precision in delivering financial alerts to my clients are unmatched, giving me a competitive edge. Samrat’s expertise in tailoring notification workflows for market updates was a standout, and the robust security features instilled trust. The affordable pricing and proactive support team make it a no-brainer. Perfect for finance pros aiming to elevate client trust and efficiency! (Google Revirews)

N

Naval Bhatnagar

2025-04-12

From day one, the team at SMS GATEWAY CENTER guided us through setup, testing, and launching campaigns. Their support is A+. Whether you’re new to SMS marketing or experienced, they make it smooth. Thank you Aakash. (Google Revirews)

Get in touch!

We would like to hear from you.

Address

225 & 226, Ground Floor, Raghuleela Mega Mall, Behind Pohisar Bus Depot, Kandivali West, Mumbai, 400067

Call for solutions!

+91-9930 447 726

Say hi to experts!

contact @ smsgatewaycenter[dot]com

Open Hours:

Mon-Sat: 10AM - 7PM

We value the privacy of our customers. You can be sure that no third party will ever access your information without your permission.

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