Fax API provides developers access to faxing capabilities by using our simple API. Developers can use the Fax API to send, and also to receive fax via Hoiio virtual numbers.

Charges for fax is similar to our Voice API - by per minute usage. This should not come as a surprise since fax is delivered over phone lines.

Note that Fax is only supported in the following countries:

• Singapore
• Hong Kong
• Malaysia