A Powerful API by OS Digital

Powerful, Secure and Easy Integrable SMS API and Developers API. Easily Integrable in any application and start pushing SMS in seconds. Anyone can access JSON, PHP and more sample codes. OS Digital provides a powerful API, developers can easily integrate our API. This APIs allows Two factor authentication, Two way messaging, Response SMS, App Notification, Real time authentication. API stands for Application Program Interface. Our API is more powerful because of higher priority operator connectivity. It gives a high reliability and instant response to API submission. The API is software-to-software interface that allows for a separate application to communicate with each other without any previous intervention, means connect and communicate with other programs. If you see when you do online payment and your card information, verify using API, then you receive an OTP and payment confirmation on your mobile. These developer SMS APIs are available with HTTP and SMPP based which supports Java, .net, PHP, etc.

What is Voice and Voice Call API?

Voice API is utilized for sending, Voice Call, Text-to Speech (TTS), One Click One Option and many other customize services to the requirement of customer. Text-to-Speech is one of the best customize solution for utilizing a Voice API, it can be utilized for many information to customers. HTTP API in text-to-speech more empower the customer for utilizing this solution on their application and softwares.

What is WhatsApp Business API?

WhatsApp Business is a powerful WhatsApp API allows you to send your chats and files to your subscriber or to whom you are providing your different services. This API is integrated in your business software and it allows you to build a preference customer community, engage with customers anywhere in the world and customer can make their query any time. Once the customer engaged you can send important notifications, urgent updates, real time information updates like flight cancellations, account withdrawals, low account balance, reservation confirmations, etc. with the ‘Notifications’ feature.

What you can do using Powerful API?

Push Bulk SMS Using API.
Integrate any Software using API.
Two factor Authentication using API.
Registration Confirmation using OTP.
You can Check Balance.
Personalization of Content.
Send Customize SMS using API.
Application Communication.
Application Automation.

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This is most useful and popular API which used as simple and flexible integrated into any website, software or application. All of the registered can use HTTP API.


This is used for high volume submission, SMPP API is most popular for the customers who wants to give his own application for SMS submission to their own customer.


This API allows to Send SMS in regional or unicode languages, using our Unicode API you can send SMS in all regional languages in India to any of Indian destination.


This is specially used for large bulk push campaigns. The JSON API allows users to submit large numbers of messages which delivered to the target audience.

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