Apps similar to IPASIS include Anubis, which is open source and free for personal use. Other options are Cheq Essentials, ipinfo.io, useBouncer and BounceBan. Bot Protection Services like IPASIS are a crowded field, with more than 50 alternatives for the web, self-hosting, Windows, Android and iPhone.
Applies sha256 proof-of-work challenges to incoming HTTP requests, targeting AI crawlers, bots that ignore robots.txt, and automated scrapers, protecting server resources and preventing unwanted search engine indexing for privacy-focused sites.
Canada
Cheq Essentials is a software that uses advanced algorithms and real-time monitoring to detect and block harmful sources, conducting over 2,000 security tests per visit.
Israel
IPinfo is the trusted source for IP address data, handling 12 billion API requests per month for over 1,000 businesses and 100,000+ developers.
United States
Protects senders' reputations by verifying emails, preventing undeliverable or risky addresses, decreasing bounce rates, and enhancing inbox placement through a comprehensive deliverability kit including toxicity checks, blocklist monitoring, and authentication verification.
Offers free and unlimited verification of all email types—including catch-all, greylisted, and SEG-protected addresses—using advanced algorithms, automation, CRM sync, detailed deliverability data, bulk upload support, and robust integration options.
United Kingdom
An easy-to-use API for looking up IP, Network, and ASN data. Refreshed nightly from authoritative sources.
Prosopo Procaptcha redefines user verification with a unique approach that emphasizes privacy and security. It's a pioneering solution designed to offer an alternative to conventional CAPTCHA systems that often compromise user privacy.
United Kingdom
Automates the bulk email verification process with a 60-second setup requiring no developers. Ensures email list cleanliness daily without manual intervention by identifying and removing invalid emails, enhancing deliverability and reducing bounce rates effectively.
Canada
NIST FRVT Top #1 Face Recognition, Face Liveness Detection, Face Attribute Analysis (Age & Gender, Emotion, Demographics, Ethnicity and many more.).
Verify emails in real time, clean lists, remove invalid addresses, hard bounces, and spam traps, protect sender reputation, improve deliverability, enhance database quality, prevent data decay, access bulk and single verification, and get detailed analytics.
United States
Imperva Bot Management (formerly Distil Networks) protects your websites, mobile applications, and APIs from automated threats without affecting the flow of business-critical traffic.
Switzerland
