Phaxio is described as 'Built for developers: Use the skills you already have and forget about learning how fax works. Our simple JSON API will have you up and faxing in no time'. There are more than 10 alternatives to Phaxio, not only websites but also apps for a variety of platforms, including iPhone, Android, Mac and iPad. The best alternative is Hellofax, which is free. Other great sites and apps similar to Phaxio are faxZero (Freemium), GotFreeFax (Freemium), vFax (Paid) and myfax (Freemium).
MyFax is an award-winning Internet fax service that lets you send and receive faxes through your email, the web, or smart phone. MyFax provides exceptional value, a great low monthly price, and 24/7 Customer Support.
Over 11 million people use eFax every day for their fax communications. As a world-class Internet fax solution, eFax empowers you with many advantages, including the largest selection of local and toll-free fax numbers in over 3,500 cities and 48 countries around the world.
A simple and secure one-time online fax service. No need for a subscription or even a user account. Just pay $5 and send a fax. The files are instantly deleted upon a sent fax. No spam. No email required.