Faxxing vs Openfax Cloud Fax API

Faxxing9.1Visit Openfax Cloud Fax API8.7Visit

Higher score Faxxing #3 in Fax APIs 9.1/10 Free plan Free plan✓ 4 of 4 features Visit Faxxing

vs

Openfax Cloud Fax API #7 in Fax APIs 8.7/10 Paid ✓ 4 of 4 features Visit Openfax

• Faxxing fits best

  Budget-conscious teams needing a free starting tier

• Openfax Cloud Fax API fits best

  Teams sending broadcasts or mail-merge faxes

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Faxxing 9.1/10 Visit ↗	Openfax Cloud Fax API 8.7/10 Visit ↗
At a glance
Editor score	9.1	8.7
Ranking	#3 in Fax APIs	#7 in Fax APIs
Best for	Budget-conscious teams needing a free starting tier	Teams sending broadcasts or mail-merge faxes
Pricing model	Free plan + paid	Paid
Starting price	—	$0.03/unit usage-based
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email, Docs	Email, Live chat, Phone, Docs
Integrations	3 integrations	3 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Faxxing 4/4 · Openfax Cloud Fax API 4/4
Inbound faxing	✓	✓
Outbound faxing	✓	✓
Delivery tracking	✓	✓
Webhook events	✓	✓
Specs
API protocol	Rest	Not checked yet
Included pages	Not checked yet	Not checked yet
Our review
Pros	Free account includes 50 outbound pages with no card required REST API supports inbound and outbound faxing with dedicated numbers Signed webhooks, SSE updates, and live fax logs track delivery status	Broadcasts faxes to multiple recipients from one submission Creates mail-merge fax broadcasts from DOCX templates Delivers results through reports, webhooks, email, or AWS S3
Cons	Free allowance covers outbound pages rather than inbound faxing Usage-based pricing may be less compelling for high-volume workloads API access is limited to 100 requests per minute per API key	No recurring API plans are listed Pricing is specified for US-48 and Canada Account number and API key authentication may require developer setup
Our verdict	Faxxing is a REST API for organizations that need to send and receive faxes programmatically. Developers can submit fax jobs with JSON and an API key, using PDF URLs or HTML-to-PDF conversion for outbound documents. It also supports… Read the review →	Openfax Cloud Fax API provides programmatic fax transmission for developers and organizations that need outbound sending, inbound fax numbers, delivery tracking, and automated result handling. Its scope covers single outbound fax… Read the review →

Strengths and trade-offs

• Faxxing — where it wins

  • Free account includes 50 outbound pages with no card required
  • REST API supports inbound and outbound faxing with dedicated numbers
  • Signed webhooks, SSE updates, and live fax logs track delivery status

  Where it doesn't

  • Free allowance covers outbound pages rather than inbound faxing
  • Usage-based pricing may be less compelling for high-volume workloads
  • API access is limited to 100 requests per minute per API key

• Openfax Cloud Fax API — where it wins

  • Broadcasts faxes to multiple recipients from one submission
  • Creates mail-merge fax broadcasts from DOCX templates
  • Delivers results through reports, webhooks, email, or AWS S3

  Where it doesn't

  • No recurring API plans are listed
  • Pricing is specified for US-48 and Canada
  • Account number and API key authentication may require developer setup

• Faxxing9.1/10 · Free plan

  A practical free-start fax API with inbound support, signed webhooks, and usage-based pricing.

  Visit FaxxingFull verdict →
• Openfax Cloud Fax API8.7/10 · Paid

  A focused fax API for teams automating single sends, broadcasts, and inbound delivery.

  Visit OpenfaxFull verdict →