2Factor.in OTP API
6.2#5 in phone verification softwareFrom ₹4,999 a monthFree planWeb
Visit2Factor.in OTP API vs Sinch Verification API
Sinch Verification API
6.9#2 in phone verification softwareAndroidiOSWebAPI
VisitWhat both publish
| Fact | 2Factor.in OTP API | Sinch Verification API |
|---|---|---|
| Founded | 2013 | 2008 |
| Headquarters | Whitefield, Bengaluru, Karnataka, India | Stockholm, Sweden |
2Factor.in OTP API plans
- StarterFree
- Growth₹4,999 a month
- EnterprisePriced on request
Sinch Verification API plans
- Pay-as-you-go verificationPriced on request
Pick 2Factor.in OTP API if…
It suits teams looking for a web-based OTP API, with a free sandbox plan for testing or paid Growth credits and seats. Enterprise may suit teams needing unlimited seats.
Pick Sinch Verification API if…
The API suits developers adding phone verification or multi-factor authentication to account flows. Its REST APIs and Android and iOS SDKs support backend and mobile app integration.