Side by side

blueFAX vs Openfax Cloud Fax API

Both stand on online fax services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

blueFAX

Paid APIWebWindows

blueFAX combines online sending and receiving with virtual numbers, email delivery, and business-focused interfaces. Compare the billing terms and number charges as well as the per-page rates.

Visit blueFAX

Openfax Cloud Fax API covers both programmatic fax operations and web broadcasts, with delivery integrations and reporting. Review the listed per-page or per-use charges and the account requirements before choosing it.

Visit Openfax Cloud Fax API

The facts

	blueFAX	Openfax Cloud Fax API
Free plan	No	A free trial
Open source	Not published	Not published
Runs on	API, Web, Windows	API, Web
Lowest paid plan	Free or on request	See the plans
Plans published	2	3
Maker	blueFAX	Openfax Cloud Fax API
Website	ccn.net	openfax.com
On online fax services	#43 of 102	#39 of 102

blueFAX: what it does well

Supports worldwide sending and inbound faxing.
Incoming faxes can arrive by email.
GDPR compliance support is listed.
Premium includes Yeastar fax integration.
Web, Windows, and API interfaces are listed.

What to know first

Available exclusively to business customers.
No mobile apps are listed.
Prepaid requires credit top-up in advance.
Premium has an €8.50/month minimum spend.

Openfax Cloud Fax API: what it does well

Supports single, broadcast, and mail-merge faxes
Delivers received faxes by email, S3, or webhook
Scheduled broadcasts and campaign reporting
Free trial and developer trial credits available
Inbound and outbound faxing supported

What to know first

No free plan
PDF input limited to 50MB
Excel fax lists cannot use multiple worksheets
Requires an account, account number, and API key

Alternatives to blueFAX Alternatives to Openfax Cloud Fax API The whole list