UserCheck helps you block disposable and fake email addresses from creating spam accounts, so you can keep your user base real and secure.
Block disposable emails from sign-ups
UserCheck is a service designed to help you stop fake or disposable email addresses from creating spam accounts on your website or app. By integrating their API, you can quickly detect and block suspicious emails during sign-up, helping you focus on real users instead of dealing with junk accounts.
Whether you're running a small site or a large platform, UserCheck gives you the tools to protect your community and reduce spam. The platform also provides guides, a disposable email checker, and detailed API documentation to make setup easy. If you want a cleaner, more authentic user base, UserCheck is there to help you every step of the way.
Discover websites similar to Usercheck.com based on shared categories, topics, and features.
Friendly Captcha protects your website from spam and abuse with invisible, privacy-first bot detection—no user interaction required.
Robokiller blocks spam calls and texts, helping you avoid phone scams and unwanted messages with easy-to-use tools for a safer, quieter mobile experience.
Google Safe Browsing warns you about dangerous sites and downloads, helping protect your devices and data while you browse the web.
Akismet protects your website from spam by automatically filtering out unwanted comments and form submissions using advanced machine learning.
Check for duplicate content and plagiarism online with Copyscape. Protect your writing and ensure originality for websites, blogs, and documents.
Stop Forum Spam helps forums and blogs block unwanted spam by providing a free database and tools to identify and prevent spam registrations.
WebPurify offers AI and human-powered content moderation to filter profanity, hate speech, and offensive images or videos for safer online experiences.
AdBlock lets you block ads and pop-ups across all major browsers, helping you browse faster and protect your privacy online. Free and easy to use.
AdGuard blocks ads and online trackers to make browsing safer, faster, and cleaner across devices. Enjoy ad-free web surfing and improved privacy.
Siteliner scans your website for duplicate content, broken links, and other issues to help you improve site quality and search engine rankings.
YouMe Identity offers secure online identity verification and authentication services for individuals and businesses, helping keep your digital accounts safe.
This page runs a quick bot check to verify you're a real user before granting access. Enable JavaScript or type OVERRIDE if needed to proceed.
FacetWP adds advanced faceted search and filtering to WordPress and WooCommerce, making it easy for users to find products, recipes, or listings fast.
Covenant Eyes helps individuals and families overcome porn addiction with screen accountability, activity alerts, and supportive resources.
Fakespot uses AI to spot fake reviews and counterfeit products so you can shop online with more confidence and avoid scams.
Learn how to set up URL filtering on Cisco Email Security Appliances to protect your email gateway and follow best practices for secure email communication.
Check if a website is safe or a scam with ScamAdviser. Get trust scores, fraud alerts, and tips to help you avoid fake or risky online sites.
FEITIAN offers secure identity and payment solutions, including authentication devices and security tools for businesses and financial services worldwide.
Securly offers cloud-based tools to help K-12 schools keep students safe online, manage devices, and support student wellness at school and home.
hCaptcha is a privacy-focused security tool that helps websites stop bots and online abuse, offering an alternative to reCAPTCHA for user verification.
IndieAuth is an open protocol that helps websites and apps verify user identity and manage secure logins using OAuth 2.0, with detailed technical docs.
12ft lets you browse websites without popups, ads, or distractions—just prepending 12ft.io/ to any URL for a cleaner, easier reading experience.
mosparo is a free, open source spam protection tool for forms that helps block unwanted messages before they reach your inbox. Easy to use for everyone.
HTML Purifier is a tool that filters HTML code to remove security risks like XSS and ensures your content meets web standards. Open source and PHP-based.
Adblock Plus helps you block ads and pop-ups on websites, giving you a cleaner, faster, and more private browsing experience on all major browsers.
Block distracting websites and apps across all your devices to stay focused and boost productivity. Works on Mac, Windows, iOS, Android, and Chrome.
Protect your website from spam with easy, invisible anti-spam plugins for WordPress, Joomla, Drupal, and more—no Captcha or visitor hassle required.
CleanBrowsing helps families, schools, and organizations block harmful or inappropriate content online with easy-to-use DNS filtering and security tools.
GreatFire.org uses AI to monitor, analyze, and help bypass internet censorship, supporting free speech and access to information worldwide.
BlockSite helps you block distracting websites and apps, boost productivity, and customize your browsing to stay focused at work or while studying.
uBlock is a free browser extension that blocks ads, pop-ups, and trackers for a cleaner, faster, and more private browsing experience.
NextDNS blocks ads, trackers, and security threats, giving you a safer, more private internet experience for all your devices and family members.
The BBFC helps UK families make informed choices by providing age ratings and content guidance for movies, shows, and online video content.
OpenID Foundation leads the creation of secure, privacy-focused digital identity standards and supports a global community shaping identity solutions.
Digitronic offers German-made IT security solutions, including two-factor authentication and data encryption, to protect access and sensitive information.
ProofMode securely captures and verifies photos, videos, and audio on your phone, protecting authenticity and privacy for activists and journalists.
NoScript is a free browser extension for Firefox, Chrome, and other browsers that blocks scripts and unsafe content, giving you more control and safer browsing.
Yoti offers secure digital ID, age verification, and identity checks, making it easy for people and businesses to verify identities and prevent fraud.
SpruceID helps you manage and verify your digital identity with secure, open-source tools for digital credentials like IDs, passes, and licenses.
Pinterest Policy shares the rules and guidelines that help create a positive, inspiring, and safe experience for everyone using Pinterest.
SpamCop lets you report spam easily and filter unwanted emails before they hit your inbox, helping keep your email clean and secure since 1998.
SORBS helps block spam and unwanted email by providing real-time lists of suspicious servers and open relays to improve email security.
SpamAssassin is an open-source spam filter that helps block unwanted email by analyzing and filtering messages for spam, free for enterprise use.
Access electronic administration services for Catalan public institutions through this secure government portal. Site and services are in Catalan.
Block Together helped Twitter users automatically block abusive accounts and protect their communities, making social media safer and more manageable.
Enterprise cybersecurity platform that protects users from targeted phishing emails and online threats, often used for secure email link redirection.
Proofpoint Targeted Attack Protection helps organizations safeguard users from phishing emails and online threats through advanced cybersecurity measures.
OpenDNS offers cloud-based security to protect your devices from malware, phishing, and ransomware threats—keeping your internet safer, anywhere you go.
Get global age and content ratings for mobile and digital games, helping you find appropriate apps that suit different cultures and regional standards.
NetGuard lets you easily block internet access for individual apps on your device, helping you control privacy and data usage without root access.
This site uses security checks to block bots and protect its digital resources from automated scraping, keeping content accessible for real users.
Official U.S. government site for accessing Federal Register and eCFR content, with API options for developers seeking programmatic data access.
Lightweight, fast XML parser library for C++ with XPath support, offering easy downloads, guides, and full documentation for developers.
Learn the basics of REST APIs with clear tutorials, guides, and explanations on REST principles, HTTP methods, and best practices for building web APIs.
Track your packages worldwide from major carriers and online stores. Get real-time updates and manage shipments easily in multiple languages.
Ideal Postcodes lets you quickly validate and find UK addresses using up-to-date postcode data, helping businesses capture accurate customer details.
Manage and update your uID profile to access and sign in to websites that support uID authorization. Russian-language profile management tool.
Cloudflare Turnstile helps websites verify users are real people, not bots, offering an easy and privacy-focused way to protect online forms and logins.
Request and manage your API key for Yubico Web Services. Secure your integrations using Yubico's authentication with a simple online signup process.
BankID lar deg identifisere deg sikkert på nett og mobilen i Norge, og gir tilgang til offentlige og private tjenester. Norsk identifikasjonstjeneste.