Communication
Best Fax APIs in 2026
- 01
eFax From $18.99/mo Free trial Web · Windows · macOS · iOS9.3 Visit Specs - 02
FaxCore From $60/mo Free trial Web · Windows · API · Self-hosted9.0 Visit Specs - 03
FAX.PLUS FAX.PLUS suits individuals or teams that need to send and receive faxes across web, desktop and mobile channels.
From $6.99/mo Free plan Web · iOS · Android9.0 Visit Specs - 04 FAXAGE
FAXAGE suits organizations needing fax by email, web, mobile, or API, including teams with compliance requirements.
From $3.49/mo Web · Windows · iOS · Android8.7 Visit Specs - 05 ETHERFAX
ETHERFAX is intended for healthcare, U.S.
Web · Windows · macOS · Linux8.4 Visit Specs - 06 Documo Fax API From $25/mo Free trial Web · API8.3 Visit Specs
- 07
Faxxing From $10/mo Free plan Web · API8.3 Visit Specs - 08
Concord Fax API Web · API8.2 Visit Specs - 09 Faxsuite REST API From €9.90/mo Free trial Web · API8.1 Visit Specs
- 10
SRFax From $12.60/mo Web · Windows · macOS · iOS8.1 Visit Specs - 11
WestFax WestFax suits individuals or teams that need inbound faxing across desktop and mobile platforms.
From $14.99/mo Web · Windows · macOS · iOS8.1 Visit Specs - 12 GoFax REST API Web · Windows · macOS · iOS8.0 Visit Specs
- 13
HumbleFax From $10/mo Web · Android8.0 Visit Specs - 14
Openfax Cloud Fax API From $0.03/mo Free trial Web · API7.9 Visit Specs - 15 LuzardoFax API From $25/mo Free trial Web · API7.8 Visit Specs
- 16 Fax² API Free trial Web · API7.7 Visit Specs
- 17
Notifyre From $4.90/mo Web · iOS · Android · API7.7 Visit Specs - 18 Innoport Programmable Fax API From $8.95/mo Web · API7.6 Visit Specs
- 19
Phaxio From $2/mo Free trial Web · API7.6 Visit Specs - 20 Send FAX Mail API From $12.99/mo Free trial Web · API7.5 Visit Specs
- 21 mintfax From $0.04/mo Web · API7.3 Visit Specs
- 22 Sinch Fax API
It suits startups and established companies that need API-based inbound and outbound faxing, including organizations in healthcare, legal, finance, insurance, or real estate.
Web · API7.2 Visit Specs - 23 OpenText Core Fax Management API API7.0 Visit Specs
- 24 SingleFax API From $6.58/mo Web · API7.0 Visit Specs
- 25 SendFax.me Developer API Web5.3 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices
are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank).
Makers can also buy a numbered place (how Specifiction is paid for).