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OTP Service Provider

OTP Service Provider

Use sms otp service into your application to verify and authenticate the users via mobile number identity.

Trusted By Brands

Acc
Apollo Hospitals
Atulaya Healthcare
Ayushman Hospital
Union Bank
VLCC
WH Warehouse
Indian Spinal Injury
Vypar
NeoDove
Upward
Physics Wallah
Mufin Green Finance
Acc
Apollo Hospitals
Atulaya Healthcare
Ayushman Hospital
Union Bank
VLCC
WH Warehouse
Indian Spinal Injury
Vypar
NeoDove
Upward
Physics Wallah
Mufin Green Finance
Acc
Apollo Hospitals
Atulaya Healthcare
Ayushman Hospital
Union Bank
VLCC
WH Warehouse
Indian Spinal Injury
Vypar
NeoDove
Upward
Physics Wallah
Mufin Green Finance

What is OTP service?

Otp service is sending secure code using API to verify and authenticate the logins, signups, forget password, new registration, and more. SMS OTP is sent on a registered mobile number. OTP provider adds an additional layer of verification and data security. It averts the phishing attacks, web-breaches and hacking activity.

What is OTP service?

OTP Service Provider

Authkey is a leading OTP provider. You can choose the most suitable channel to trigger one time password. An OTP API is used in the backend to send code to the end user.

WhatsApp
SMS OTP Service

Send OTP SMS using the robust API integration. Authkey offers the best OTP SMS service with high delivery rate and lower latency.

WhatsApp
Voice OTP service

Verify registered mobile numbers in real-time by delivering OTP through automated phone calls using our Voice API integration. TTS speaks the OTP digits for a seamless verification experience.

WhatsApp
Email OTP service

Use Authkey's API to send verification links or one-time passwords. Our API enables you to validate accounts and automate the process of sending OTPs.

Business applications for OTP service

Choose the best otp service provider for seamless OTP sending for business consistency.

Two Factor Authentication
Secure 2FA

Enhance your system's security without imposing complexity. Add 2FA OTP layer after static username and password.

Send SMS OTP
Login with OTP

Bypass the static password using the dynamic OTP SMS. Verify the user with a number and unique one time password.

Transaction Authentication
Transaction Authentication

Safeguard all the financial transactions. Add secure OTP authentication to ensure safe transactions

Transaction Authentication
Password Resets

Forgetting passwords is common in online accounts. Use OTP SMS to verify the user identity before setting a new password.

Account activation

User accounts can be reactivated with confirmation from the user. Verify user identity by using an OTP validation.

Spam-proof

Make sure fake registrations and spam signups are controlled effectively. Enhance Spam-proof system with OTP SMS service.

Advantages of OTP service

Authkey is a enterprise grade OTP service provider that offer secure OTP authentication platform

Talk to Expert

Two Factor Authentication No Delay time

Lightning fast OTP SMS Service with API integration. Minimum delivery time with high efficiency within 6-8 seconds for message delivery.

Send SMS OTP Failover Solution

One API with a multiple channel processing model never lets OTP message undelivered. Automated Re-Route Failed OTP Via standy channels.

Alerts & Notifications OTP templates

Use our ready to deliver OTP templates. Pre-built templates help you save extra effort and time. An easy-to-use flow structure.

Alerts & Notifications Live Analytics

Analyze live data with your own account. Check for OTP Delivery, failure, and latency reports in detail in your panel.

Discover the cost effective pricing

Contact us for full integration support. Our Support Team cannot wait to get you started. Get additional discounts with committed usage. Contact Sales to learn more.

Frequently Asked Questions

Why Choose Authkey ?

We Scale with you

Regardless of one or million messages you send, our SMS infrastructure will ensure you that they deliver on time.

Pay as you Go

Utilization based pricing enables you to get discounted pricing from the beginning while only paying for what you use.

Enterprise-grade

We connect your messaging flow directly over 220+ carriers in 200+ countries for international delivery that is best in class.

Compliance & developers

We align you with the support and developer team. We ensure that your Authkey.io experience is smooth and successful.