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Technologies / Cloudflare / Sift

Companies using Cloudflare and Sift

9 companies in our data have public evidence for both Cloudflare and Sift, and 3 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.

9companies use both
under 1%of Cloudflare users
100%of Sift users
3name 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

CompanyCloudflareSift
Anthropicanthropic.comAI and machine learning
Livelylivelyme.comLively provides health savings accounts (HSAs) for individuals and benefits administration software for employers, brokers, and consultants.Fintech
MoonPaymoonpay.comMoonPay lets individuals buy, sell, and trade crypto using cards, Apple Pay, Google Pay, bank transfers, and wires.Crypto and blockchainFintech
FastSpringfastspring.comFastSpring provides an all-in-one payments, subscriptions, and tax compliance platform for selling digital products online.E-commercePayments
Flywireflywire.comFlywire provides payment processing and software for complex cross-border payments in education, travel, B2B, and healthcare.Payments
Modsmods.tnMods provides 24/7 risk operations support for online platforms, including fraud prevention, transaction monitoring, chargeback handling, and content moderation.Compliance and riskFintech
Esendex UKesendex.co.ukEsendex provides a multichannel messaging platform and APIs for sending and managing messages across channels such as SMS, WhatsApp, RCS, email and voice.Communications
Esendex AUesendex.com.auEsendex provides a multichannel messaging platform and APIs for sending SMS, WhatsApp, RCS, email and voice messages.Communications
Upholduphold.comUphold is a platform for trading, earning, borrowing, staking and spending across cryptocurrencies, stocks, ETFs, precious metals and currencies.Crypto and blockchainFintech

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 23,097 companies we see using Cloudflare also show the other.

All 23,097 companies using Cloudflare2,147 name it as a subprocessorMore in Cloud and infrastructure

Sift

Security and identity

Sift is a digital trust and fraud detection platform that uses real-time risk decisions to evaluate transactions and user activity. It is used to help businesses detect and stop payment fraud, account takeover, and fake account creation.

Summarized from sift.com on 8 Nov 2026.

100% of the 9 companies we see using Sift also show the other.

All 9 companies using Sift6 name it as a subprocessorMore in Security and identity

Industries

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

Fintech4Payments3Crypto and blockchain2Communications2

Other pairs

Companies with their own evidence for both.

More with Cloudflare

Google Workspace14,141companiesGoogle Tag Manager9,115companiesGoogle Analytics8,166companiesNext.js6,311companiesAmazon Web Services5,292companiesVercel4,756companies

More with Sift

Google Workspace8companiesAmazon Web Services7companiesGoogle Tag Manager6companiesGoogle Analytics5companiesHubSpot5companiesSalesforce5companies

Questions

How many companies use both Cloudflare and Sift?

9 companies in StrataDB's data have public evidence for both, and 3 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 Sift?

Anthropic, Lively, MoonPay, FastSpring and Flywire, and 4 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Cloudflare and Sift?

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 Sift

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