What is Bulk SMS API

The term API means Application Programming Interface in which the functions of a computer program like Bulk SMS Service can be made accessible to another computer program. This approach is possible by using a standard which is known to programmers of both programs.Send SMS alters, Promotional SMS, appointment reminders etc in bulk to your customers via our Bulk SMS API service.
The SMS Application Programming Interface (API) is the track to integrate the SMS service on your platforms, such as software, CRM, website, and more. It is the straightforward method to forward automated SMSs directly from your panel. If you will look at the e-commerce sites thoroughly, you will get to know that each e-commerce platform has an integrated SMS API. In this case, the use of SMS API is user verification through One Time Password (OTP).
Example :
When you will go to make any transaction to your e-commerce website, you will be asked for a mobile number verification and after entering the 4 or 6 digits OTP, we will endow to do any online transaction.

Why to use API?

It is used when we have to send large number of messages to different users at different locations. In this case it will be very difficult if to send messages manually. The example for this can be E-Commerce Industry. E-Commerce Industry has to deal with large numbers of customers on a daily basis. Information such as Invoice details, order updates, billing details, shipment, etc needs to be communicated to the customers. This information cannot be shared manually. For this purpose we use API

Bulk SMS API in FastSMSIndia

We provide documentation in different languages like PHP, JavaScript, Ruby, Python, Node JS, etc. To start sending Bulk SMS using API, you need to have an Authorization key which you can get from your FastSMSIndia account Dev API section. By default this key is enabled in your FastSMSIndia account. Make sure that you have not disabled the Authorization key otherwise you will not be able to send SMS. You can also regenerate your API Key if somebody has its access so that it is not misused. If you get your API key regenerated then then you have to change this key on all previous API SMS otherwise they will not get send.
Next to API is the Security tab. Security tab is disabled on all FastSMSIndia accounts by default. When you enable it, only the IP address added by you will hit the API. This adds more security in your panel as no other person will be able to misuse it even if they have your Authorization key. So if you want two-factor authentication and more safety, then enable the security tab.

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