OTP SMS API
Send login and verification OTPs by SMS without registering your own DLT templates.
OTP SMS (no DLT needed)
Sandbox readycharged only for successful calls
- Prepaid wallet with automatic refunds
- Free sandbox keys for testing
- IP whitelisting, signed requests and webhooks
OTPs without the DLT paperwork
Send the mobile number and OTP — the SMS goes out on a pre-approved template, so you skip DLT entity and template registration. Ideal for logins, sign-ups and transaction confirmations.
What you get with the OTP SMS API
Pre-approved template
No DLT entity or template registration.
Fast delivery
Transactional route for OTPs.
Prepaid wallet
Each call is debited at your rate; failed calls are refunded automatically.
Secure by default
Hashed API keys, IP whitelist and optional HMAC request signing.
Free sandbox
Test keys return realistic success, failure and pending responses.
Panel or API
Use it from the Recharge & services panel, or integrate the REST API.
Go live in four steps
Send number + OTP
SMS delivered
User enters OTP
You verify it in your app.
Frequently asked questions
Can I send promotional messages?
No. This API is for OTPs only, on a fixed template.
Can I test before paying?
Yes. Create a free sandbox key and try every call; live keys need a package and wallet balance.
Can I use it without coding?
Yes. Every service is available in the Recharge & services panel of your client area.
Am I charged for failed calls?
Calls that fail because of a technical error are refunded to your wallet automatically.
Start using the OTP SMS API
Create a free account, test with sandbox keys and go live as soon as you are ready.