GatewayAPI vs Vonage Messages API
| GatewayAPI | Vonage Messages API | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | — |
| Free plan | No | No |
| Pay-as-you-go | — | Yes |
| SMS API | — | Yes |
| Delivery status | — | Yes |
| Webhooks | — | Yes |
| Two-way messaging | — | Yes |
Both are listed in Best Transactional SMS Software. On Samsung Mobile US Press, Vonage Messages API scores higher on our published basis.