An Industry wide offering for Banking and Financial Service Providers
Make it super easy for your channel partners and customers to connect. Use OtpTech SMS gateway to inform and WhatsApp Business API to engage.

SMS API Integration

Businesses are always on the lookout for opportunities to better connect with their partners and audience. Competition is too much, and there are too many players in the market. The need to perform better has become a necessity now. To be the best, you need to do the best and have an all-rounder approach. You can become a game-changer in the market by making use of the services of mTalkz SMS API for Developers. Their offerings are widespread across different industry types. By using the SMS API service, you can easily connect with your customers and channel partners in no time!

For information dissemination, you can avail the SMS gateway service, and for engagement requirements, Whatsapp business API is a brilliant solution. Borrowers and stakeholders can be roped in as well to bring the communication around in a full circle. One of the most significant advantages here is that apart from your general target audience, you can connect with customers across countries worldwide. To streamline the process and keep things easy, you can send videos, pictures, and even GiFs via SMS with mTalkz’s online automation services. This covers the media aspect of it.

Further, you can keep track of your SMS campaigns in real-time, thanks to the dashboard. It will allow you to keep track of your campaign performance, messages, and CTA (call-to-action) links. Another positive is that customers are at liberty to choose whether they want to receive the messages or not. This way, they are not getting continuously spammed with information they are simply not interested in. As an administrator, you can keep a tab on these things on a user-level. As far as reaching out to customers across the globe goes, you can do so in a language of their choice and comfort. mTalkz offers multilingual support for easy communication with your audience so that the interaction is genuinely both ways. Last but not least, mTalkz provides round the clock 24*7 support to all their clients and partners. Once on board, their support teams are always quick on their feet to look after your any and every issue.

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The OtpTech SMS API for Developers

Combine the OtpTech Bulk SMS Service with Voice Bulk SMS Service, Missed Call service and WhatsApp Business API service to give limitless experience to your Customers & Borrowers and stakeholders.


Engage with consumers across the world

By partnering with us, you will not only be able to communicate with your target audience across the nation but also other countries as well.

Media Support

You can even send videos, images, and gifs in the SMS with our online automation, thus more attraction and more satisfaction.

Real time insights

Want to know more about your campaigns and users? No worries we are here for you. Our reporting dashboard enables detailed reporting and tracking of your messages and call to action links.

More convenience for your consumers

We provide your consumers with easy opt-in and opt-out services so they don’t have to face any unnecessary spam messages. As admin you can online manage your control lists at user level.

Multilingual support

Talk to your consumers in multiple languages so no worries you can communicate with your audience in the language they prefer.

Support 24*7

By partnering with us you get the access to our support 24*7. Our agile support teams are always available to resolve your issues.

Make your life Simple

Bring OtpTech API’s to your business


A SMS API is well-defined software interface which enables code to send short messages via a SMS Gateway.

As the infrastructures for SMS communications and the internet are mostly divided, SMS APIs are often used to ‘bridge the gap’ between telecommunications carrier networks and the wider web. SMS APIs are used to allow web applications to easily send and receive text messages through logic written for standard web frameworks.

An SMS API allows you to integrate SMS services with your website, third-party application, mobile app, or CRM. In this highly competitive online environment, SMS app integration becomes a measurable advantage against popular apps.

An SMS API is an interface used to make a reliable, open correlation between your app and SMS service provider.
There is no business that is untouched by the benefits of growing and leading SMS APIs. SMS are incredibly fast and there is plentiful and remarkable cost-effectiveness of SMS into your marketing strategy.

An SMS API allows you to access any service of the API’s provider directly from your personal application.


You can get access the SMS API from OtpTech portal. Just create a free demo account by following this link or you can call us on 919868629924 or email us on our 24 x 7 support team will happy to help you. Checksome API sample below:-
Sending An SMS
XXXXXXXXXXX,XXXXXXXXXXX&message=hello there&format=json
Sending An SMS Using Post method

Example Post Data
If You are using post method to send message, then post only json data. if you want to add
other parameter then add similarly.
“apikey”: “xxxxxxxxxxxxxxxx”,
“senderid”: “XXXXXX”,
“number”: “99XXXXXXXX,99XXXXXXXX”,
“message”: “Message to be send”,
“format”: “json”

Hurray !! OtpTech provide you API free of cost there was not additional charges for using this. Just pay for the SMS charges and enjoy our uninterrupted services as well. For more information you can call on 91 9868629924 or email us on our 24×7 support team will happy to help you or visit