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Head-to-head · Fax APIs

Faxxing vs OpenText Core Fax Management API

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Faxxing #3 in Fax APIs 9.1/10 Free plan Free plan✓ 4 of 4 features Visit Faxxing
OpenText Core Fax Management API #5 in Fax APIs 8.9/10 Pricing on request ✓ 4 of 4 features Visit OpenText

Faxxing leads on 0 checks, OpenText Core Fax Management API on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFaxxing · 9.1/10
  • Free planonly Faxxing

Faxxing scores higher on our rubric for fax apis: 9.1 against 8.9 out of 10; our editors rank them #3 and #5.

On api protocol, OpenText Core Fax Management API gives you Rest_and_soap where Faxxing offers Rest.

Faxxing is the better fit for budget-conscious teams needing a free starting tier. OpenText Core Fax Management API is the better fit for enterprise teams needing governance and integrations.

  • Faxxing fits best

    Budget-conscious teams needing a free starting tier

  • OpenText Core Fax Management API fits best

    Enterprise teams needing governance and integrations

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 ↗ OpenText Core Fax Management API 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #3 in Fax APIs #5 in Fax APIs
Best for Budget-conscious teams needing a free starting tier Enterprise teams needing governance and integrations
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Cloud
Support Email, Docs Docs, Community
Compliance SOC 2 SOC 2, GDPR, HIPAA, PCI DSS, ISO 27001, SSO/SAML
Integrations 3 integrations 19 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Faxxing 4/4 · OpenText Core Fax Management API 4/4
Inbound faxing ✓ ✓
Outbound faxing ✓ ✓
Delivery tracking ✓ ✓
Webhook events ✓ ✓
Specs
API protocol Rest Rest_and_soap
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
  • Supports inbound and outbound fax workflows with transmission tracking
  • Offers REST and SOAP APIs plus webhook event callbacks
  • Includes RBAC, SSO, SCIM, directory, audit, and monitoring tools
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
  • Pricing uses a contact-sales model
  • Webhook behavior may require deployment-specific confirmation
  • The broad integration surface may demand enterprise integration planning
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 →

OpenText Core Fax Management API provides programmatic management of enterprise fax operations through REST and SOAP APIs. It supports inbound and outbound fax workflows, fax status and transmission tracking, webhook callbacks for fax…

Read the review →
  1. FaxxingFax APIs 9.1Free plan
  2. OpenText Core Fax Management APIFax APIs 8.9Pricing on request

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

  • OpenText Core Fax Management API — where it wins

    • Supports inbound and outbound fax workflows with transmission tracking
    • Offers REST and SOAP APIs plus webhook event callbacks
    • Includes RBAC, SSO, SCIM, directory, audit, and monitoring tools

    Where it doesn't

    • Pricing uses a contact-sales model
    • Webhook behavior may require deployment-specific confirmation
    • The broad integration surface may demand enterprise integration planning
  • Faxxing9.1/10 · Free plan

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

    Visit FaxxingFull verdict →
  • OpenText Core Fax Management API8.9/10 · Pricing on request

    A mature REST and SOAP fax API suite for regulated, integration-heavy teams.

    Visit OpenTextFull verdict →

More comparisons

All fax APIs comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update