One-Time Passcodes
OTP Verification
Send and check one-time codes in one API call.
- <5s
- delivery
- 99%
- success rate
- 200+
- countries
bash
curl -X POST https://api.conversa.in/v1/verify/otp \
-H "Authorization: Bearer $API_KEY" \
-d to="+919000000000" \
-d channel="sms"Capabilities
Everything you need to ship OTP Verification
01
Auto code gen
We generate and expire codes for you.
02
Channel fallback
Retry over voice if SMS fails.
03
Rate limiting
Throttle attempts to stop abuse.
04
Simple check
Validate codes with one call.
Use cases
Built for how you use OTP Verification
- Signup OTP
- Login OTP
- Payment confirm
- Device linking
SLA
200+
countries
Enterprise-grade reliability with 24/7 support, dedicated routing, and transparent status reporting.
FAQ
Common questions
Do you generate the code?
Yes, generation and expiry are handled for you.
Can codes fall back to voice?
Yes, configure voice as a backup channel.
One platform
More Verify products
Every Conversa product shares the same API, dashboard, and billing.
Ready to launch OTP Verification?
Get API keys in minutes. Pay only for what you use.