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Future-proof of OTP API

Make sure all of your target market receives secure messaging. Secured OTP API can help you protect your login procedure.

Try for Free →Test the API
OTP API
What is an OTP API?

An OTP API enables diverse industries to easily connect with customers and partners, ensuring time-sensitive authentication OTPs and messages are delivered promptly and securely.

Use Cases

Everything you need in an OTP API

ATM Alerts and Promotions

ATM Alerts and Promotions

Utilize Baynix's Bulk SMS and WhatsApp Business API to seamlessly send withdrawal and deposit alerts, along with updates on government regulations and bank services via SMS, WhatsApp, and email.

Balance Check

Balance Check

Employ Baynix SMS and Missed Call services to enable customers to effortlessly check their balance and transactions while authenticating through SMS and missed calls.

ATM or Branch Locator

ATM or Branch Locator

Leverage Baynix's Banking and Financial services APIs to enable customers to access branch addresses, Google Maps links, and ATM locations by entering their area code via WhatsApp or SMS.

Automated Reminders

Automated Reminders

Incorporate Baynix's SMS and WhatsApp API for banking and financial services to send automated reminders for EMI dues and other deposits, including an Instant Payment link.

Loans and Offers

Loans and Offers

Leverage Baynix's SMS and Voice broadcasting to inform your audience about offers, bank loans, and festive promotions within Banking and Financial Services.

OTP Authentication

OTP Authentication

Allow users to transact with ease via mobile banking, and protect them using 2nd factor authentication that uses instantaneous generation and delivery of OTP and SMS.

The largest direct link network in the world
4,500+

Interactions

99.999%

Reliability of Networks

20M+

Phone Numbers in Use

Developer Friendly

Test our OTP API for Free

Request our API to send single or mass OTPs. You only have to fill out the recipient's credentials and additional data in the body. We will take care of the rest!

curl -X POST https://api.baynix.ai/otp/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "sender": "BAYNIX",
    "to": "+919876543210",
    "template": "Your OTP is {{otp}}. Valid for 10 minutes.",
    "expiry": 600
  }'
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OTP API Pricing

Pay only for what you use

Our pay-as-you-go approach charges you per OTP sent — the most affordable OTP API pricing model. Free of setup, monthly, or any other fees.

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FAQ

OTP API for developers — FAQ's

Baynix OTP API is a secure, cloud-based interface that enables businesses to generate and deliver One-Time Passwords (OTPs) to users via SMS, WhatsApp, or Voice. It provides a seamless 2-factor authentication (2FA) layer to protect user logins, transactions, and sensitive operations across any application or platform.

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