2Factor.in OTP API vs Esendex
| 2Factor.in OTP API | Esendex | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | ₹4,999/mo | £54/mo |
| Open source | No | No |
| Platforms | Web | api, Web |
| Free plan | Yes | — |
Both are listed in Best Transactional SMS Software. On Freedom251, 2Factor.in OTP API scores higher on our published basis.