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Authkey

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12 reviews
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Average star rating
4.7
Serving customers since
2018
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Authkey.io

12 reviews

Authkey is a One API Platform for SMS, Voice & E-mail which allows you to verify and keep you connected with your Clients or End Users. It has been developed keeping in mind that in most of the cases like Sending OTPs, Notifications, Order Confirmation, Timely Offers, Newsletter etc. We need to communicate through multiple channels i.e. Voice, SMS or Emails. So why not perform the task from the same platform built specifically for high volume? What can you do with Authkey? Parallel Sending - Send SMS, Voice and Email Simultaneously from the same source for different purposes like SMS & Email for Order Confirmation and Voice for COD Verification. Custom Fallback - Apply Custom Fallback and be assured not to miss a single msg to be conveyed like OTPs or any other Critical Information to your Users. So that one channel fails, the other channel does the job. Web hook API - Simple Web hook API Integration to make you aware of what's happening around. 2FA(Two Factor Authentication)- We have also 2FA API for OTP Service etc. Here, Brief you about the salient features and Usage of Authkey. You can send SMS, Voice and Email with our Direct APIs and start in a jiffy. You can create Customized Templates for sending customized messages and taking inputs like Keypress in Voice. Event-Based Sending to send different messages in SMS, Voice and Email for a particular Event. You can add Fallback to any of the above mentioned scenarios. You can use our platform for the scenarios given below: SMS: Sending one-time(OTP Security with Two- factor Authentication(2FA) Order confirmation Shipment Tracking Notification and update Discount Offers Google verified SMS Voice: Fallback for OTP failure COD Order verification Two-way communication with a keypress Personalized Payment Reminders With TTS Shipment Tracking Number Masking for Privacy Feedback Calls E-mail: Account create confirmation Password Reset Shipment Notification Shipment Tracking Purchase Receipt E-mail OTP

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Authkey Reviews

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Suvankar S.
SS
Suvankar S.
08/14/2025
Validated Reviewer
Verified Current User
Review source: Organic

All-in-One Communication API That Just Works

OTPs land in seconds, every single time. I love that we can manage SMS, WhatsApp, and email all from one platform — it saves a lot of hassle.
KC
Krishna C.
08/12/2025
Validated Reviewer
Verified Current User
Review source: Organic

Automate Your Campaign

You can access multiple services under one umbrella
Gaus P.
GP
Gaus P.
08/11/2025
Validated Reviewer
Verified Current User
Review source: Organic

powerful tool for businesses

Authkey’s WhatsApp service is fast, reliable, and incredibly easy to integrate. The delivery speed is impressive, ensuring instant communication with customers. Their API is well-documented and developer-friendly for smooth implementation. Overall, a powerful tool for businesses to enhance customer engagement effortlessly.

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Delhi, IN

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What is Authkey?

Authkey is a platform that provides communication APIs designed to facilitate seamless integration of SMS and voice messaging services into applications. Through its APIs, Authkey enables businesses and developers to send, receive, and manage SMS and voice communications efficiently. The service is aimed at enhancing customer engagement and communication by offering features such as OTP (one-time password) delivery, notifications, alerts, and two-way messaging. Authkey's solutions are designed to be reliable and scalable to meet the diverse needs of enterprises.

Details

Year Founded
2018
Website
authkey.io