Tech Detect
One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value from 0 to 100 and the evidence it rests on: response header, asset path, cookie name, meta generator, DNS or ASN record. Results are cached for 24 hours per host, so a repeat lookup of the same domain answers from cache.
- Category
- Developer tools
- Starting price
- $0.005
- Paid calls · 30 days
- 326
- Unique payers · 30 days
- 216
Paid endpoints
106 endpoints, sorted by usage. Prices are per request.
- POST/stack
One HTTP request per host, matched against an in-house signature set. Every hit carries a confidence value from 0 to 100 and the evidence it rests on: response header, asset path, cookie name, meta generator, DNS or ASN record. Results are cached for 24 hours per host, so a repeat lookup of the same domain answers from cache.
$0.005Base10calls / 30d - POST/stack/articles/mailchimp
Purpose-bound Mailchimp observation (marketing) using the existing fresh Stack-Monitor. Returns stack_mailchimp_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards rem
$0.005Base6calls / 30d - POST/stack/articles/tawkto
Purpose-bound Tawk.to observation (chat) using the existing fresh Stack-Monitor. Returns stack_tawkto_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the
$0.005Base5calls / 30d - POST/stack/articles/wordpress
Purpose-bound WordPress observation (cms) using the existing fresh Stack-Monitor. Returns stack_wordpress_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in
$0.005Base4calls / 30d - POST/stack/lead-profile
Full website stack plus booking, chat, reviews, call tracking, advertising, forms, contact links, HTTPS and header observations. Describes the website only. Unmeasurable flags are null with warnings; no business scoring or industry inference.
$0.006Base3calls / 30d - POST/stack/articles/github-pages
Purpose-bound GitHub Pages observation (hosting) using the existing fresh Stack-Monitor. Returns stack_github_pages_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards
$0.005Base3calls / 30d - POST/stack/articles/bunnycdn
Purpose-bound Bunny CDN observation (cdn) using the existing fresh Stack-Monitor. Returns stack_bunnycdn_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in
$0.005Base3calls / 30d - POST/stack/articles/vercel
Purpose-bound Vercel observation (hosting) using the existing fresh Stack-Monitor. Returns stack_vercel_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in t
$0.005Base3calls / 30d - POST/stack/articles/cloudflare
Purpose-bound Cloudflare observation (cdn) using the existing fresh Stack-Monitor. Returns stack_cloudflare_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain
$0.005Base3calls / 30d - POST/stack/articles/tailwind
Purpose-bound Tailwind CSS observation (library) using the existing fresh Stack-Monitor. Returns stack_tailwind_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards rem
$0.005Base3calls / 30d - POST/stack/articles/nextjs
Purpose-bound Next.js observation (framework) using the existing fresh Stack-Monitor. Returns stack_nextjs_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain i
$0.005Base3calls / 30d - POST/stack/articles/magento
Purpose-bound Magento / Adobe Commerce observation (shop) using the existing fresh Stack-Monitor. Returns stack_magento_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safegu
$0.005Base3calls / 30d - POST/stack/articles/umami
Purpose-bound Umami observation (analytics) using the existing fresh Stack-Monitor. Returns stack_umami_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in t
$0.005Base3calls / 30d - POST/stack/articles/bunny-fonts
Purpose-bound Bunny Fonts observation (fonts) using the existing fresh Stack-Monitor. Returns stack_bunny_fonts_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards rem
$0.005Base3calls / 30d - POST/stack/articles/real-cookie-banner
Purpose-bound Real Cookie Banner observation (consent) using the existing fresh Stack-Monitor. Returns stack_real_cookie_banner_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outboun
$0.005Base3calls / 30d - POST/stack/articles/apache
Purpose-bound Apache HTTP Server observation (server) using the existing fresh Stack-Monitor. Returns stack_apache_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards
$0.005Base3calls / 30d - POST/stack/articles/angular
Purpose-bound Angular observation (framework) using the existing fresh Stack-Monitor. Returns stack_angular_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain
$0.005Base3calls / 30d - POST/stack/articles/alpinejs
Purpose-bound Alpine.js observation (library) using the existing fresh Stack-Monitor. Returns stack_alpinejs_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain
$0.005Base3calls / 30d - POST/stack/articles/zendesk-chat
Purpose-bound Zendesk observation (chat) using the existing fresh Stack-Monitor. Returns stack_zendesk_chat_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain
$0.005Base3calls / 30d - POST/stack/articles/youtube-embed
Purpose-bound YouTube embed observation (media) using the existing fresh Stack-Monitor. Returns stack_youtube_embed_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards
$0.005Base3calls / 30d - POST/stack/articles/yoast
Purpose-bound Yoast SEO observation (seo) using the existing fresh Stack-Monitor. Returns stack_yoast_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the
$0.005Base3calls / 30d - POST/stack/articles/wpengine
Purpose-bound WP Engine observation (hosting) using the existing fresh Stack-Monitor. Returns stack_wpengine_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain
$0.005Base3calls / 30d - POST/stack/articles/wpbakery
Purpose-bound WPBakery Page Builder observation (builder) using the existing fresh Stack-Monitor. Returns stack_wpbakery_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeg
$0.005Base3calls / 30d - POST/stack/articles/woocommerce
Purpose-bound WooCommerce observation (shop) using the existing fresh Stack-Monitor. Returns stack_woocommerce_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards rema
$0.005Base3calls / 30d - POST/stack/articles/vue
Purpose-bound Vue.js observation (framework) using the existing fresh Stack-Monitor. Returns stack_vue_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in th
$0.005Base3calls / 30d - POST/stack/articles/vimeo-embed
Purpose-bound Vimeo embed observation (media) using the existing fresh Stack-Monitor. Returns stack_vimeo_embed_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards rem
$0.005Base3calls / 30d - POST/stack/articles/usercentrics
Purpose-bound Usercentrics observation (consent) using the existing fresh Stack-Monitor. Returns stack_usercentrics_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards
$0.005Base3calls / 30d - POST/stack/articles/universal-analytics
Purpose-bound Google Universal Analytics observation (analytics) using the existing fresh Stack-Monitor. Returns stack_universal_analytics_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Exist
$0.005Base3calls / 30d - POST/stack/articles/typo3
Purpose-bound TYPO3 observation (cms) using the existing fresh Stack-Monitor. Returns stack_typo3_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the inj
$0.005Base3calls / 30d - POST/stack/articles/turnstile
Purpose-bound Cloudflare Turnstile observation (security) using the existing fresh Stack-Monitor. Returns stack_turnstile_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safe
$0.005Base3calls / 30d - POST/stack/articles/timify
Purpose-bound TIMIFY observation (booking) using the existing fresh Stack-Monitor. Returns stack_timify_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in t
$0.005Base3calls / 30d - POST/stack/articles/tidio
Purpose-bound Tidio observation (chat) using the existing fresh Stack-Monitor. Returns stack_tidio_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the in
$0.005Base3calls / 30d - POST/stack/articles/svelte
Purpose-bound Svelte / SvelteKit observation (framework) using the existing fresh Stack-Monitor. Returns stack_svelte_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguar
$0.005Base3calls / 30d - POST/stack/articles/stripe
Purpose-bound Stripe observation (payment) using the existing fresh Stack-Monitor. Returns stack_stripe_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in t
$0.005Base3calls / 30d - POST/stack/articles/shore
Purpose-bound Shore observation (booking) using the existing fresh Stack-Monitor. Returns stack_shore_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the
$0.005Base3calls / 30d - POST/stack/articles/shopware
Purpose-bound Shopware observation (shop) using the existing fresh Stack-Monitor. Returns stack_shopware_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in
$0.005Base3calls / 30d - POST/stack/articles/shopify
Purpose-bound Shopify observation (shop) using the existing fresh Stack-Monitor. Returns stack_shopify_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in th
$0.005Base3calls / 30d - POST/stack/articles/sentry
Purpose-bound Sentry observation (monitoring) using the existing fresh Stack-Monitor. Returns stack_sentry_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain i
$0.005Base3calls / 30d - POST/stack/articles/self-hosted-fonts
Purpose-bound Self-hosted web fonts observation (fonts) using the existing fresh Stack-Monitor. Returns stack_self_hosted_fonts_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outboun
$0.005Base3calls / 30d - POST/stack/articles/recaptcha
Purpose-bound Google reCAPTCHA observation (security) using the existing fresh Stack-Monitor. Returns stack_recaptcha_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguar
$0.005Base3calls / 30d - POST/stack/articles/react
Purpose-bound React observation (framework) using the existing fresh Stack-Monitor. Returns stack_react_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in t
$0.005Base3calls / 30d - POST/stack/articles/rankmath
Purpose-bound Rank Math observation (seo) using the existing fresh Stack-Monitor. Returns stack_rankmath_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in
$0.005Base3calls / 30d - POST/stack/articles/python
Purpose-bound Python observation (language) using the existing fresh Stack-Monitor. Returns stack_python_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in
$0.005Base3calls / 30d - POST/stack/articles/newrelic
Purpose-bound New Relic observation (monitoring) using the existing fresh Stack-Monitor. Returns stack_newrelic_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards rem
$0.005Base3calls / 30d - POST/stack/articles/prestashop
Purpose-bound PrestaShop observation (shop) using the existing fresh Stack-Monitor. Returns stack_prestashop_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain
$0.005Base3calls / 30d - POST/stack/articles/plausible
Purpose-bound Plausible observation (analytics) using the existing fresh Stack-Monitor. Returns stack_plausible_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards rem
$0.005Base3calls / 30d - POST/stack/articles/php
Purpose-bound PHP observation (language) using the existing fresh Stack-Monitor. Returns stack_php_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the in
$0.005Base3calls / 30d - POST/stack/articles/paypal
Purpose-bound PayPal observation (payment) using the existing fresh Stack-Monitor. Returns stack_paypal_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in t
$0.005Base3calls / 30d - POST/stack/articles/oxid
Purpose-bound OXID eShop observation (shop) using the existing fresh Stack-Monitor. Returns stack_oxid_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in th
$0.005Base3calls / 30d - POST/stack/articles/openresty
Purpose-bound OpenResty observation (server) using the existing fresh Stack-Monitor. Returns stack_openresty_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain
$0.005Base3calls / 30d