2Factor.in OTP API vs Vonage Messages API
| 2Factor.in OTP API | Vonage Messages API | |
|---|---|---|
| Free plan | Yes | |
| Paid from | ₹4,999/mo | |
| Platforms | Web | |
| Free plan | Yes | No |
| Pay-as-you-go | Yes | |
| SMS API | Yes | |
| Delivery status | Yes | |
| Webhooks | Yes | |
| Two-way messaging | Yes |
Listed together in Best Transactional SMS Software