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What is SMS authentication?
SMS authentication is a simple type of 2FA or Multi-Factor Authentication (MFA). Users who sign in receive a text message with an authentication code. All they have to do is fill in the code on the platform to gain access. It is commonly used across major social sites like Twitter, Instagram, and Google.
Is SMS authentication free?
Yes, you read that right, you can set up a free two-factor authentication solution. How do you do it? By using OTP (One Time Password) technology in reverse. With this technique, you generate the code yourself in your application for your customer to send to a dedicated virtual number.
What is SMS API service?
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.
