MessageFlow SMS API vs Sinch Verification API
| MessageFlow SMS API | Sinch Verification API | |
|---|---|---|
| Free trial | Yes | Yes |
| Platforms | api, Web | Android, api, iOS, Web |
| Free plan | No | |
| SMS API | Yes | Yes |
| Delivery status | Yes | Yes |
| Webhooks | Yes | Yes |
| Two-way messaging | Yes | |
| Monthly message limit | 0 messages/mo | |
| Pay-as-you-go | Yes |
Listed together in Best Transactional SMS Software