OOPSpam Anti-Spam API Alternatives

Akismet is a spam fighting service that protects millions of WordPress sites from comment and contact form spam.

Spam protection for WordPress, Joomla, Drupal, and any other websites

Open Source Free Trial $12.0 / Annually

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.

reCAPTCHA is a free security service that protects your websites from spam and abuse.

StopForumSpam - a database of known forum and blog spam, its sources and the email addresses reported

Say Goodbye to comment spam on your WordPress blog or website.

AbuseIPDB is an IP address blacklist for webmasters and sysadmins to report IP addresses engaging in abusive behavior on their networks, or check the report history of any IP.

Mollom is a freemium web service to get rid of spam, unwanted content and fake users on your...

Filters out spam SMS on your Android phone

Scanning of user-submitted content made simple.

Enterprise Captcha solutions

Allows you easily scan for and delete scam comments using several methods. - GitHub - ThioJoe/YT-Spammer-Purge: Allows you easily scan for and delete scam comments using several methods.

Spamty is a web service to encrypt an email address and share it on the internet.