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One Captcha alternatives & similar sites

one-captcha — Unified Captcha Solving API | Solve reCAPTCHA, Turnstile & More — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Technology And Computing →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
3xcaptcha.com ↗	71 match 1 shared topics	3xCaptcha - High-Speed Automated Captcha Solving Solution	en	technology-and-computing	robotsllmsaihumans	emailphone	none
anysolver.com ↗	70 match 1 shared topics	AnySolver - Unified Captcha Provider API	en	technology-and-computing	robotsllmsaihumans	emailphone	none
datascrapingapi.com ↗	64 match 1 shared topics	DataScrapingAPI \| Fast & Reliable Web Scraping API	en	technology-and-computing	robotsllmsaihumans	emailphone	none
datalinkapis.com ↗	64 match 1 shared topics	DataLink APIs — One API Key. Four Intelligence Bundles.	en	technology-and-computing	robotsllmsaihumans	emailphone	none
fakecaptcha.com ↗	64 match 1 shared topics	Fake Captcha - Generate Fake Captchas instantly for free	en	technology-and-computing	robotsllmsaihumans	emailphone	none
stackhooks.com ↗	64 match 1 shared topics	Stackhooks — The REST API for Substack	en	technology-and-computing	robots llmsaihumans	emailphone	none
virtuotechconsult.com ↗	64 match 1 shared topics	TechUnitConv — Free Online Unit Converter \| Length, Weight, Temperature & More	en	technology-and-computing	robotsllmsaihumans	emailphone	none
ankitkumarsinha.com ↗	64 match 1 shared topics	Ankit Kumar Sinha — QA Automation Engineer \| Playwright · API · CI/CD	en	technology-and-computing Spree Commerce	robotsllmsaihumans	emailphone	none
apikiss.com ↗	64 match 1 shared topics	API KISS - One API, dozens of powerful services	en	technology-and-computing	robotsllmsaihumans	emailphone	none
mediaman54.com ↗	64 match 1 shared topics	What is the meaninng of this? Captcha or Gotcha?	en	technology-and-computing	robotsllmsaihumans	emailphone	none
eternitybits.com ↗	63 match 1 shared topics	Bitcoin Document Timestamping API \| Eternity Bits	en	technology-and-computing	robotsllmsaihumans	emailphone	none
1stnode.com ↗	63 match 1 shared topics	1stNode - Blockchain API Platform	en	technology-and-computing	robotsllmsaihumans	emailphone	none
aperis.io ↗	63 match 1 shared topics	aperis — One platform and API for every quantum computer	en	technology-and-computing Spree Commerce	robotsllmsaihumans	emailphone	none
datazily.com ↗	63 match 1 shared topics	Location API \| State, Districts & Subdistricts Data	en	technology-and-computing	robotsllmsaihumans	emailphone	partial · 8
apihubx402.cloud ↗	63 match 1 shared topics	APIHub 402 - Pay-Per-Use API Marketplace	en	technology-and-computing	robotsllmsaihumans	emailphone	none
mediacrawlers.com ↗	63 match 1 shared topics	Mediacrawlers — Advanced Data Solutions for Instagram & TikTok	en	technology-and-computing	robotsllmsaihumans	emailphone	none
dreamwidth.org ↗	63 match 1 shared topics	Captcha Check	en	technology-and-computing	robotsllmsaihumans	emailphone	none
cycloneinstruments.ai ↗	63 match 1 shared topics	Cyclone Instruments — Automated Battery Testing as a Service	en	technology-and-computing	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.