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Stitex Captcha

Freemium#26 of 32 in CAPTCHA Software

Stitex Captcha: A web CAPTCHA combining behavioral scoring, invisible checks, and visual challenges. Ranked #26 of 32 in CAPTCHA Software by our editors (6.3/10); pricing: Free plan; best for web teams wanting behavioral and visual checks.

6.3/10Editor score

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Stitex Captcha6.3 Visit Stitex

At a glance

Editor score
6.3 / 10
Pricing
Free plan
Best for
Web teams wanting behavioral and visual checks
Free plan
Yes
Founded
2015 · Balashikha, Moscow Region, Russia
Facts checked
22 Oct 2026

Where it wins
- Behavioral analysis informs adaptive difficulty and invisible checks.
- Free plan covers one site with no request limit.
- REST API examples cover PHP, Python, Node.js, and curl.
Where it doesn't
- The Free plan is limited to one site.
- Audio challenges are not supported.
- The documented SDK platform is web.

Our verdict on Stitex Captcha

Stitex Captcha is a cloud service for adding CAPTCHA and bot protection to website forms. It is aimed at web teams that want to combine behavioral checks with visual challenges, rather than relying on a single challenge type. A JavaScript widget handles the form-side experience, while a REST API supports server-side token verification. The product also offers invisible checks for trusted visitors and a proof-of-work challenge after repeated failures, making its approach a mix of visible and less visible defenses.

Its range of challenge and scoring options is a notable distinction. Behavioral analysis considers mouse and keyboard activity and solve time; antifraud scoring can adjust difficulty, and visual challenges include math, text-sequence, and pattern formats. The Free plan includes one site, basic antifraud and fingerprinting, invisible CAPTCHA, and no request limit. According to the vendor’s pricing page, Pro costs 1,990 RUB per month or 19,900 RUB per year, with VAT included. It supports up to 10 sites and adds ML bot scoring, geo analytics, attack alerts, and server-side form validation. Enterprise includes unlimited sites, custom rules, SLA, and priority support; pricing is by request. The published plans make the free tier a starting point for a single site, while multi-site management and the additional controls sit in paid tiers.

Integration is oriented toward web forms and server-side verification: documentation includes REST API examples for PHP, Python, Node.js, and curl. Dashboard analytics cover conversions, calls, and errors. Support is offered by email and documentation. Teams seeking behavioral and risk-based checks alongside visual challenges may find the feature mix relevant; those requiring audio challenges should look elsewhere, since Stitex Captcha does not offer them. Its documented SDK platform is web, so organizations seeking broader native-platform SDK coverage may also prefer an alternative.

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Stitex Captcha pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 22 Oct 2026.

See plans on stitex.com

All 3 Stitex Captcha plans and prices →

Stitex Captcha fact sheet

Free plan	Yes
Paid from	Not verified
CAPTCHA modes	Not verified
Audio challenge	No
Accessibility options	Yes
Monthly verifications	Not verified
SDK platforms	Web
Privacy controls	Yes
Deployment	Cloud
Platforms	Web
Support	Email, Docs
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Integrations	5 integrations: REST API, PHP, Python, Node.js, curl
Pricing	Free plan (source)
Website	stitex.com
Facts checked	22 Oct 2026

Stitex Captcha integrations

Stitex Captcha lists 5 integrations on its own site.

REST API
PHP
Python
Node.js
curl

Alternatives to Stitex Captcha

See all Stitex Captcha alternatives →

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Featured on iTechGuides

Stitex Captcha is listed in our CAPTCHA Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 29 Oct 2026 · How we research and update