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Technologies / Cloudflare / FusionAuth

Companies using Cloudflare and FusionAuth

12 companies in our data have public evidence for both Cloudflare and FusionAuth, and 5 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

12companies use both
under 1%of Cloudflare users
100%of FusionAuth users
5name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyCloudflareFusionAuth
Level Alllevelall.comLevel All provides expert-created content, lesson plans, and tools for college and career planning, life skills, and financial skills.Education
Lumi Educationlumi.educationLumi provides tools for creating, sharing and tracking interactive H5P content such as quizzes, interactive videos, presentations and games.Education
Promptfoopromptfoo.devPromptfoo provides automated testing and security tools for AI applications, including red teaming, guardrails, and evaluations.AI and machine learningDeveloper tools
ReFreshrefresh.techReFresh provides a platform for identifying and managing psychosocial hazards at work, including risk reporting, controls and compliance records.Compliance and risk
Unibuddyunibuddy.comUnibuddy provides a platform for peer-to-peer and community engagement that lets prospective students connect with current student ambassadors.Education
Apptegyapptegy.comApptegy provides an all-in-one communications platform for managing school district communication, including alerts, messaging, translation, and website content.CommunicationsEducation
Databoxdatabox.comDatabox is an analytics platform that connects business data, defines metrics, and uses AI to analyze performance and create reports.AI and machine learningData and analytics
Ellii (formerly ESL Library)ellii.comEllii provides ready-made English language lessons, grammar materials, and teaching tools for English teachers.Education
Powerful Medicalpowerfulmedical.comPowerful Medical provides AI-powered ECG analysis software called PMcardio that detects heart attacks and other cardiac conditions.Healthcare
ShareGatesharegate.comShareGate provides migration and governance tools for Microsoft 365, including tenant migrations and permission management.Cloud and infrastructure
Shiftmoveshiftmove.comShiftmove provides fleet management and digital logbook software for vehicles.Automotive and mobility
TrueFoundrytruefoundry.comTrueFoundry provides an enterprise AI gateway for LLMs, MCPs, and agents, along with AI deployment and engineering platform tools.AI and machine learning

The two technologies

Cloudflare

Cloud and infrastructure

Cloudflare is a platform for building, securing, and scaling applications, agents, and workforce workloads without managing infrastructure. It is used to run security, connectivity, and code on a global network close to users, applications, and sites.

Summarized from cloudflare.com on 8 Nov 2026.

under 1% of the 23,351 companies we see using Cloudflare also show the other.

All 23,351 companies using Cloudflare2,171 name it as a subprocessorMore in Cloud and infrastructure

FusionAuth

Security and identity

FusionAuth is a customer identity and access management (CIAM) platform that authenticates users, services, and AI agents and controls what they can access. It is used to handle identity, login, and authorization for applications, and it can be self-hosted, deployed dedicated, or run on-premises.

Summarized from fusionauth.io on 8 Nov 2026.

100% of the 12 companies we see using FusionAuth also show the other.

All 12 companies using FusionAuth12 name it as a subprocessorMore in Security and identity

Industries

Among the companies above, by our own classification of their homepage.

Education5AI and machine learning3

Other pairs

Companies with their own evidence for both.

More with Cloudflare

Google Workspace14,292companiesGoogle Tag Manager9,198companiesGoogle Analytics8,265companiesNext.js6,396companiesAmazon Web Services5,349companiesVercel4,820companies

More with FusionAuth

Google Workspace10companiesAmazon Web Services8companiesGoogle Tag Manager8companiesIntercom8companiesGoogle Analytics5companiesMixpanel5companies

Questions

How many companies use both Cloudflare and FusionAuth?

12 companies in StrataDB's data have public evidence for both, and 5 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Cloudflare and FusionAuth?

Level All, Lumi Education, Promptfoo, ReFresh and Unibuddy, and 7 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Cloudflare and FusionAuth?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Cloudflare and FusionAuth

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call