Flex Email-to-Fax vs Openfax Cloud Fax API
| Flex Email-to-Fax | Openfax Cloud Fax API | |
|---|---|---|
| Free plan | No | |
| Free trial | Yes | |
| Paid from | $0.03/mo | |
| Platforms | Web | api, Web |
| Virtual fax number | Yes | |
| Free plan | No | |
| Inbound faxing | Yes | |
| Outbound faxing | Yes | |
| Delivery tracking | Yes | |
| Webhook events | Yes |
Listed together in Best Online Fax Services