Best Openfax Cloud Fax API Alternatives in 2026

Updated October 2026

20 apps from online fax services ranked against Openfax Cloud Fax API on the same published basis.

1
OTG Networks vFax AndroidiOSMacWebWin $15/mo8.0
Openfax Cloud Fax API vs OTG Networks vFax
2
Dropbox Fax (formerly HelloFax) Free plan Web Free7.9
Openfax Cloud Fax API vs Dropbox Fax (formerly HelloFax)
3
FAX.PLUS Free plan AndroidiOSWeb $6.99/mo7.7
Openfax Cloud Fax API vs FAX.PLUS
4
FaxTerra Free plan AndroidiOSWeb $1.99/mo7.6
Openfax Cloud Fax API vs FaxTerra
5
GTC Cloud-Fax Free trial apiWeb 7.5
Openfax Cloud Fax API vs GTC Cloud-Fax
6
Browserfax Free plan Web $4/mo7.4
Openfax Cloud Fax API vs Browserfax
7
GotFreeFax Free plan AndroidapiiOSWeb $1.25/mo7.4
Openfax Cloud Fax API vs GotFreeFax
8
FaxSalad Free plan AndroidiOSWeb $0.03/mo7.3
Openfax Cloud Fax API vs FaxSalad
9
FaxBurner Free plan AndroidiOSLinuxMacWin $14.95/mo7.3
Openfax Cloud Fax API vs FaxBurner
10
ETHERFAX apiLinuxMacself-hostedWeb 7.1
Openfax Cloud Fax API vs ETHERFAX
11
eGoldFax AndroidiOSWebWin 6.9
Openfax Cloud Fax API vs eGoldFax
12
OVHcloud Fax WebWinMacLinux €0.99/mo6.8
Openfax Cloud Fax API vs OVHcloud Fax
13
TELUS Cloud Fax AndroidiOSMacWebWin $14.95/mo6.8
Openfax Cloud Fax API vs TELUS Cloud Fax
14
OpenText Core Fax Management API api 6.8
Openfax Cloud Fax API vs OpenText Core Fax Management API
15
FaxBetter Free plan Web $9.95/mo6.8
Openfax Cloud Fax API vs FaxBetter
16
MonFax Free plan Web €2.49/mo6.8
Openfax Cloud Fax API vs MonFax
17
InterFAX Free trial AndroidapiiOSWebWin 6.7
Openfax Cloud Fax API vs InterFAX
18
WestFax WebWiniOSAndroidMac $14.99/mo6.7
Openfax Cloud Fax API vs WestFax
19
NTT Cloud Fax Web 6.7
Openfax Cloud Fax API vs NTT Cloud Fax
20
FlatRateFax Virtual Fax Free trial WebWin 6.7
Openfax Cloud Fax API vs FlatRateFax Virtual Fax

Openfax Cloud Fax API alternatives compared

#	App	Score	Free plan	From	Runs on
1	OTG Networks vFax	8.0		$15/mo	Android, iOS, Mac, Web, Windows
2	Dropbox Fax (formerly HelloFax)	7.9	Free plan	Free	Web
3	FAX.PLUS	7.7	Free plan	$6.99/mo	Android, iOS, Web
4	FaxTerra	7.6	Free plan	$1.99/mo	Android, iOS, Web
5	GTC Cloud-Fax	7.5			API, Web
6	Browserfax	7.4	Free plan	$4/mo	Web
7	GotFreeFax	7.4	Free plan	$1.25/mo	Android, API, iOS, Web
8	FaxSalad	7.3	Free plan	$0.03/mo	Android, iOS, Web
9	FaxBurner	7.3	Free plan	$14.95/mo	Android, iOS, Linux, Mac, Windows
10	ETHERFAX	7.1			API, Linux, Mac, self-hosted, Web, Windows
11	eGoldFax	6.9			Android, iOS, Web, Windows
12	OVHcloud Fax	6.8	No	€0.99/mo	Web, Windows, Mac, Linux
13	TELUS Cloud Fax	6.8	No	$14.95/mo	Android, iOS, Mac, Web, Windows
14	OpenText Core Fax Management API	6.8			API
15	FaxBetter	6.8	Free plan	$9.95/mo	Web
16	MonFax	6.8	Free plan	€2.49/mo	Web
17	InterFAX	6.7			Android, API, iOS, Web, Windows
18	WestFax	6.7	No	$14.99/mo	Web, Windows, iOS, Android, Mac
19	NTT Cloud Fax	6.7			Web
20	FlatRateFax Virtual Fax	6.7			Web, Windows

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Questions about Openfax Cloud Fax API alternatives

What is the best alternative to Openfax Cloud Fax API?

OTG Networks vFax, number 1 in online fax services with a score of 8.0 out of 10. The others here: Dropbox Fax (formerly HelloFax), FAX.PLUS, FaxTerra and 16 more.

What is the best free alternative to Openfax Cloud Fax API?

Dropbox Fax (formerly HelloFax) is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.