CAPTCHA
CAPTCHA features technologies that distinguish human users from bots to enhance online security. It helps protect websites from automated threats and misuse.
4
technologies
1,082
companies
List of companies using CAPTCHA
curl --request POST \
--url "https://api.theirstack.com/v1/companies/search" \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <api_key>" \
-d "{
\"tech_filters\": {
\"technology_category_slug_or\": [
\"captcha\"
]
}
}"| Company | Country | Industry | Employees | Revenue | Technologies |
|---|---|---|---|---|---|
 United Kingdom | Hospitals and Health Care | 5k | $453M | reCAPTCHA | |
 South Africa | Restaurants | 2.9k | reCAPTCHA | ||
 United States | Higher Education | 5 | reCAPTCHA | ||
 Portugal | Commercial and Industrial Machinery Maintenance | 415 | reCAPTCHA | ||
 Switzerland | Venture Capital and Private Equity Principals | 20 | reCAPTCHA | ||
United States | Higher Education | 87 | reCAPTCHA | ||
 France | Engineering Services | 382 | reCAPTCHA | ||
France | IT Services and IT Consulting | 27k | $600M | reCAPTCHA | |
 Germany | Travel Arrangements | 624 | reCAPTCHA | ||
 Netherlands | IT Services and IT Consulting | 143 | $345k | reCAPTCHA |
We have data on 1.1k companies and users that use CAPTCHA. Our CAPTCHA users and customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
Frequently asked questions