Reliable delivery
Messages are handed to registered carrier routes the instant your request arrives, so OTPs typically reach the handset in a few seconds.
A dashboard that shows everything
See your balance, rate, OTPs sent, verification rate, transactions and API keys in one place, on desktop or mobile.
Wallet-based billing in rupees
Add funds with UPI, cards, netbanking, Binance Pay or crypto. Charges are deducted per OTP and refunded automatically if the SMS fails.
Good to know
OTP Flow is built for transactional one-time passwords (login, signup, payments, delivery and similar verification). Promotional or bulk marketing messages are not supported.
Frequently asked questions
Is there a monthly fee?+
No. You only pay per OTP from your wallet balance.
Do unused funds expire?+
No, wallet balance does not expire.
Send your first OTP today
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