Technologies / Security and identity / Cloudflare Turnstile
Companies listing Cloudflare Turnstile as a subprocessor
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.
Seen in30 subprocessor lists96 privacy policies
Companies listing Cloudflare Turnstile as a subprocessor
Subprocessor listPrivacy policyWebsiteJob postings
5 more companies
See more companies, with the source for each.
Create a free accountWork email, no card. Already have one? Log inA company can count under more than one kind of evidence. Our coverage is partial, so this is not everyone using Cloudflare Turnstile.
Questions
How many companies list Cloudflare Turnstile as a subprocessor?
30 companies in StrataDB's data name Cloudflare Turnstile in their own subprocessor list. Our coverage is partial, so the real number is higher.
Which companies list Cloudflare Turnstile as a subprocessor?
3sixs, AlgoArena, askHermis, BetterPic and BuildBase, and 25 more companies. Each one links to the evidence behind it.
How does StrataDB know a company uses Cloudflare Turnstile?
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.
Build your list of Cloudflare Turnstile customers
See every company we hold evidence for, with its source, and get an alert when a company adds or drops Cloudflare Turnstile.
- 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