Our Services


SendBulkMessage provides highly reliable and robust APIs for implementing phone verification / two factor authentication (2FA) over SMS OTP & voice OTP mediums. We also provide bulk promotional messaging and transactional SMS sending services for lead generation, SMS marketing, brand promotion, customer communication, customer feedback, surveys, opt-in confirmations, transactional alerts, commercial communications, business communications.

Promotional Message

Promote your brand to the masses with Promotional SMS from SendBulkMessages.com.

Transactional Message

Send important Trasactional SMS to your clients fast, with our Special route.

Whatsapp Message

Send bulk Whatsapp messages directly to WhastApp user in one click instantly.

Voice Message

Send bulk voice SMS to your clients at blazing fast speed at affordable cost.

Our Packages

Choose any of the following packages to get started with. You can always upgrade your package from your account.



Global Coverage
2-6 Sec Delivery
Pay Per Delivered OTP
Delivered to DND Numbers
1 Year Validity



PAN India Reach
2-15 Sec Delivery
Dynamic SMS Templates
Unlimited Sender Ids
1 Year Validity



PAN India Reach
Fastest Delivery
1 Year Validity

Easy Integration

Easy Integrations

SendBulkMessage offers simple SMS integration API and sample code to send SMS in PHP, Python,Golang, .Net, JavaScript, Node.js, C#, Java programming languages.

SMS Plugins are offered for sending SMS in Magento, WordPress SMS plugin, PrestaShop SMS plugin, Shoppify SMS plugin, Zoho SMS plugin, Sugar CRM SMS plugin, Excel SMS plugin, Salesforce SMS plugin, Pipedrive SMS plugin, ecommerce SMS plugins.

Amazing 24/7 Support

Our services are useful to SMBs for promoting their business to mass audience and to keep in touch with their customers as a part of valuable customer relationship management process. We are one of the best bulk SMS & SMS OTP service providers in India, offering demo account to evaluate SMS delivery. We offer real-time & detailed delivery reports for every single SMS sent via SendBulkMessage platform.

or call us at
+91 87439 56789

Customer Reviews


We'd like to hear from you

Give us a call at +91 87439 56789 or stop by our door anytime. We will be happy to answer your questions or setup a meeting with you.

We are open from 9:00 am to 5:00 pm weekdays.

Baner, Pune, Maharashtra - 411045


+91 87439 56789

Frequently Asked Questions

Sendbulkmessages.com is the only bulk SMS service provider in India, who offers SLA based pricing. Our SLA for critical SMS OTP and voice OTP services is,
SMS OTP: We charge customers only if,

  1. SMS OTP is delivered ( Pay per delivered OTP )
  2. SMS OTP is delivered within 15 seconds
  3. SMS OTP is delivered without the help of fall back / fail-over logic If SMS OTP could not be delivered within 15 seconds (for what-so-ever reasons) we not only refund the OTP credit in real-time, but also try to deliver OTP via backup carrier (SMS Channel) for free of cost.
  1. VOICE OTP: We charge customers only if,
  2. VOICE OTP is delivered (Pay per delivered OTP)
  3. VOICE OTP is delivered within 15 seconds
  4. VOICE OTP is delivered without the help of fall-back / fail-over logic
  5. If VOICE OTP SMS could not be delivered within 15 seconds (for what-so-ever reasons) we not only refund the OTP credit in real-time, but also try to deliver OTP via SMS Channel for free of cost

Use "Buy Now" option provided above to purchase SMS credits. Clicking the link would take you to the payment gateway page.
Payment gateway lets you purchase SMS credits using Credit card, Debit card, Net banking option.  Credits are added to your account immediately on payment confirmation.

While most users often are looking for Top 10 choices, we at SendBulkMessage have built complete in-house bulk SMS sending platform to help you save your time on searching remaining 9. Your search stops here, here's time to check out how SendBulkMessage is India's best and reliable SMS service provider.

  1. Direct Connectivity: We manage direct connectivity with TIER-1 Telco’s, to provide best in class delivery time (avg. delivery time of 4-10 seconds)
  2. Fail-over Handling: We have a real-time fail over handling in place, which re-routes messages via standby operators to handle any possible delivery failure. This increases delivery success rates and reduces chances of critical messages getting failed.
  3. SLA Based Pricing: Our SLA is to deliver your OTPs within 15 seconds and in first attempt. If the OTP fails OR delivered beyond 15 seconds, we not only refund you the credit, but also re-route your message via backup carriers for free of cost

Above FAQ would have already answered why SendBulkMessage is the best OTP service provider in India.

  1. SendBulkMessage is economical too, as you are paying per above SLA defined for OTP messages, which easily helps you in saving 20-30% costs over competitor gateways.
  2. Additionally, we also offer Volume based SMS discounts if you are planning to purchase over 2 lakh SMS credits.

We have explained above what makes SendBulkMessage, India's best and reliable SMS gateway for sending bulk SMS and SendBulkMessage OTP (phone verification) use cases. SendBulkMessage's SMS gateway platform is built to perform and auto-scale, thus be it a single message or in millions, our robust infrastructure ensures to deliver every single SMS swiftly.

If you are a high-volume user, we have whole bunch of discounts and offers for you. Do send us a ping at info@blplventures.com

You can send or schedule SMS from within SendBulkMessage control panel or additionally use our simple HTTP APIs for integrating SMS sending capabilities into your applications. We also offer sample source code for sending SMS in php, java, python, Android, iOS, Ruby, JavaScript.

We are also building SMS verification & OTP addons / plugins for WordPress, WooCommerce, Tally, Zoho, CRM applications, Magento, PrestaShop & other such ecommerce CMS.

SendBulkMessage.com offers simple & reliable HTTP APIs for sending bulk SMS, transactional SMS, promotional SMS, OTP SMS for variety of use-cases (Such As, Customer phone verification, Bulk SMS marketing / campaigns, Lead generation campaigns, SMS alerts etc. )

Bulk SMS sending also referred as bulk SMS messaging simply means sending large number of SMS at once. A good bulk SMS Service provider provides with a simple interface to compose or schedule bulk SMS messages in single click. bulk SMS helps businesses and enterprises in communicating with their users, sharing important updates, up-selling / cross selling their products by executing effective marketing campaigns. Bulk messaging is widely used for transactions, promotions and mobile marketing.

Promotional / Marketing message typically refers to any message sent for promoting / up-selling / advertising your business offerings. Whereas Transactional / non-promotional SMS refers to, messages sent to users as an acknowledgement to the actions performed by them on your app / website.

Statistically, even today, Bulk SMS campaigns are proven to provide much higher returns and greater user engagement over any other mode of marketing. Many businesses often look for cheap bulk messaging, free bulk SMS or cheap Bulk SMS Service provider in India, but the fact is SMS is still the cheapest medium to promote your business. Following are the benefits of messaging that’s how business can use bulk SMS services:

  1. Greater Reach: SMS is default supported protocol over most mobile devices.
  2. Higher Returns: SMS is more engaging than email and social media campaigns as an average person reads over 86% of messages received.
  3. Lesser Opt-Outs: Opt-out ratio over SMS campaigns is far lesser than email campaigns, giving consistent returns & reach
  4. Lesser Conversion Time: Studies show average conversion time for SMS based campaigns is 90 sec or lesser, as opposed to avg. 2-3 days on email campaigns
  5. Targeted Content: Message are often sent with limited characters and thus content is specific to the point, thus more impactful
  6. Preferred Channel for Sending Discounts / Coupons: Leading & over 70% Food tech + eCommerce start-ups rely on SMS based coupon code promotions for higher user engagement

A good messaging partner will focus more on ensuring maximum & fastest delivery of your messages to the recipients. One must always look for below parameters while choosing the best Bulk SMS Service provider:

  1. Simple SMS Interface: For business users, executing bulk SMS campaigns must be simpler Simple & Low Latency APIs: To make third party integration simpler, vendor must offer simple and low latency APIs
  2. SMS Delivery SLA: SMS Provider must have a delivery SLA in place to define Reliability
  3. Data Privacy: Option to mask user contacts if provided, is an added advantage in protecting (masking) client contact numbers
  4. Fault Tolerant Gateway: SMS gateway must have fail-over handling in place to achieve higher delivery rates.
  5. Global SMS Coverage: As your business scales, you start attracting international users, thus choosing a SMS gateway with international delivery coverage is crucial

Yes, SendBulkMessage offers reliable SMS and voice OTP platform for performing phone verification via simple & restful APIs.

Yes, SendBulkMessage allows you to customize both sender id + SMS text for your messages. You can create 6-character Custom Sender Id (all alphabets) from within SendBulkMessage control panel

Yes, SendBulkMessage is one of the very few messaging gateway providers in India, who offer real-time and transparent delivery reports, straight from operator end. For every SMS sent with us, we offer delivery report in 4 ways 

  1. DLR API (PULL): We avail Delivery Report API to pull delivery reports for sent messages
  2. Delivery Call-back Notifications (PUSH): We push delivery reports to your call back URL in real-time, along with GSM error level details.
  3. Control Panel Access: All the logs are also available within control panel Daily Reporting: You receive a daily mailer containing summary and details of the bulk SMS sent on previous day

First login into your account.

  1. Now click on Buy Credits button.
  2. Choose Communication Type (Transactional or promotional or voice SMS, Email, HLR, Voice Call). Fill up the required number of credits. Click on Proceed To Checkout button
  3. Fill billing details.
  4. And click on Make Payment button
The charges of any messages depend on the number of credits consumed, the pricing per credit is according to the country to which you are sending the message. You can see the price per credits on our pricing page.

Also, failed messages are charged, but NDNC and Blacklisted numbers are't charged.
In order to make a refund request, you can mail to info@blplventures.com
All credits you buy with us come with a lifetime validity. We want you to pay only for what you use.

Promotional SMS is used to send offers, discounts or promotions to new and existing customers. The messages may or may not be solicited by the recipients.

Transactional SMS is used to send OTPs, informational messages, booking and order alerts to your registered customers. They should not be intended for marketing.

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