Technologies / Cloudflare Turnstile / Resend

Companies using Cloudflare Turnstile and Resend

35 companies in our data have public evidence for both Cloudflare Turnstile and Resend, and 13 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.

35companies use both

32%of Cloudflare Turnstile users

2%of Resend users

13name both as subprocessors

Companies using one are 5.3 times as likely as the average company in our data to show evidence of the other.

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

Company	Cloudflare Turnstile	Resend
3sixs3sixs.com3sixs builds websites, mobile portals, intake and document workflows, dashboards, and AI automation for professional service businesses.Consulting and services
askHermisaskhermis.comaskHermis provides AI agents for hotels that answer guest messages across channels and handle front desk, back office, sales and management tasks.AI and machine learning Travel and hospitality
Caretricscaretrics.comCaretrics provides revenue recovery and growth operations services for health and wellness clinics using Jane software.Healthcare Consulting and services
Dayloguedaylogue.comDaylogue is a journaling app that turns daily voice, text, or tap check-ins into a serialized personal narrative and surfaces patterns across mood, energy, stress, and sleep.Consumer apps
GrantCuegrantcue.comGrantCue is grant management software that helps organizations find grants, track deadlines, and draft applications.
Heistheistbrain.comHeist generates a month of on-brand content, including captions, AI images, and faceless videos, from a single idea and schedules it across platforms.AI and machine learning Marketing
HelloGuestbookhelloguestbook.comHelloGuestbook provides a digital guidebook that hosts share with guests through one link, covering Wi-Fi, house rules, check-in and local tips.Travel and hospitality
InputGuardinputguard.appInputGuard is a browser extension that scans text pasted into AI tools and blocks or redacts sensitive data like credentials and PII before it is sent.AI and machine learning Cybersecurity
LexAgendalexagenda.roLegal
Optifeedoptifeed.comOptifeed runs ecommerce marketing across ad platforms and AI assistants by collecting, enriching, publishing, advertising and measuring product catalog data.AI and machine learning E-commerce
Orbyt Labsorbytlabs.aiOrbyt Labs builds products and research around AI, including Orbyt Jobs, a job search CRM, and Orbyt Intelligence, a salary dataset with an API.AI and machine learning
ResiPlanresiplan.euResiPlan is a resilience platform that maps dependencies, simulates outages, and derives and closes regulatory tasks.Compliance and risk
Troolytrooly.aiTrooly is an AI-driven qualitative research platform that conducts in-depth user interviews, including screening, verification, and quality review of respondents and interviews.
AI Finance Teamaifinance.teamAI Finance Team provides automated bookkeeping preparation software that reads, categorizes, and matches invoices and bank statements, then exports results to accounting software.Finance and accounting software
Classentraclassentra.comClassentra provides software for scheduling live lessons, sharing materials, tracking attendance, and collecting payments.Education
Current MSPcurrent.dayCurrent is a CRM, marketing, account planning, roadmap, QBR, dashboard and project tool that works alongside a PSA, which keeps time and billing.Sales
Drupddrupd.comDrupd provides free invoicing software for freelancers that generates PDF invoices with payment links, bank details, or crypto wallet addresses printed on them.Fintech
exora healthexora.auExora is a health record platform that reads, organises and explains patients' uploaded health documents in plain language.Consumer apps Healthcare
f13i labsf13i.comf13i Labs is a pricing consultancy for AI and usage-based software products, helping companies choose their value metric, set tiers and price points, and defend pricing in live deals.Consulting and services
Routinagetroutina.comRoutina provides an AI enablement layer for healthcare operations that connects to existing systems and coordinates tasks like purchase orders, imports, last-mile delivery, and home care management.AI and machine learning Healthcare
handlo.aihandlo.ai provides an AI receptionist that answers business calls, books appointments, and sends the call details.AI and machine learning Communications
inseeqinseeq.cominseeq is an AI-native growth company that combines data, AI and growth operators to run go-to-market as one system.Marketing
BTBSoftingnemmeneldumesnil.fr
Noplagnoplag.comNoplag provides a plagiarism checker with an open-source detection engine that compares documents against live web, academic, Common Crawl, Wikipedia, and its own database corpora.
Outfttroutfttr.comOUTFTTR provides booking, guest, email and payment management software for fishing lodges and hunting outfitters.Travel and hospitality

10 more companies

See every company using both Cloudflare Turnstile and Resend, with the source for each.

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The two technologies

Cloudflare Turnstile

Security and identity

Cloudflare Turnstile is a free, simple snippet of code that confirms web visitors are real and blocks unwanted bots without using CAPTCHAs. It is used to verify visitors on websites while avoiding slowdowns and visual puzzles for real users.

Summarized from cloudflare.com on 8 Nov 2026.

32% of the 111 companies we see using Cloudflare Turnstile also show the other.

All 111 companies using Cloudflare Turnstile 30 name it as a subprocessor More in Security and identity

Resend

Email and communications

Resend is an email platform for developers that delivers transactional and marketing emails. It is used to send emails through an API, SDKs, or SMTP, along with webhooks, contact management, and analytics.

Summarized from resend.com on 8 Nov 2026.

2% of the 1,403 companies we see using Resend also show the other.

All 1,403 companies using Resend 1,040 name it as a subprocessor More in Email and communications

Industries

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

AI and machine learning7 Consulting and services3 Travel and hospitality3 Healthcare3 Marketing3 Consumer apps2

Other pairs

Companies with their own evidence for both.

More with Cloudflare Turnstile

Cloudflare111companies

Google Workspace65companies

Stripe64companies

Next.js59companies

Google Analytics55companies

Google43companies

More with Resend

Cloudflare1,407companies

Stripe937companies

Google Workspace842companies

Next.js806companies

Vercel758companies

Google678companies

Questions

How many companies use both Cloudflare Turnstile and Resend?

35 companies in StrataDB's data have public evidence for both, and 13 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 Turnstile and Resend?

3sixs, askHermis, Caretrics, Daylogue and GrantCue, and 30 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Cloudflare Turnstile and Resend?

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 Turnstile and Resend

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
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