Ship forms with confidence. Stop spam automatically.
Drop in one script and let SpamBlock identify spam using 13+ detection signals including language analysis, behavioral tracking, and advanced Unicode detection. Every submission is scored at the edge in under 50ms so your users never feel the friction.
- Average scoring latency
- <50 ms
- Spam blocked automatically
- 92%
- Disposable domains tracked
- 130k+
- Global edge locations
- 285+
Add the SpamBlock Pixel
Paste one script, optionally tune advanced controls. No API keys or captchas required.
<script
src="https://api.spamblock.io/sdk/pixel/v1.js" defer
></script>
<form data-block-spam>
... your existing fields ...
</form>
<script
src="https://api.spamblock.io/sdk/pixel/v1.js"
data-max-score="60"
data-assess-profanity="true"
data-assess-language="true"
data-assess-entropy="true"
data-assess-email-address="false"
data-assess-timing="true"
data-assess-scripts="true"
data-expected-languages="en,de"
data-language-weight="10"
data-debug="false"
data-block-geo=""
data-allow-geo=""
defer
></script>
<form data-block-spam>
... your existing fields ...
</form>Why teams choose SpamBlock
Our edge worker scores every submission in under 50ms using 13+ detection signals: language analysis, entropy detection, behavioral tracking, script analysis, and more. No captchas, no user friction, and analytics you can export.
Advanced multi-signal scoring
13+ detection signals including language mismatch detection, entropy analysis, behavioral tracking, script detection, and homoglyph detection. Honeypots are injected automatically.
Zero code changes
Keep your existing form actions and backend. SpamBlock intercepts submissions and only lets the clean ones through.
Real-time observability
SpamBlock surfaces scoring results in your logs so you can monitor false positives and automate follow-up workflows.
How it works
Add the pixel
Drop the script onto any page or template, or publish it globally with GTM or WordPress.
SpamBlock intercepts
We inject a honeypot, analyze content, timing, and behavior patterns, score the submission using advanced signals, and only forward the request when it's clean.
Review analytics
Stream the console logs into your monitoring stack to understand trends and tune thresholds.
Launch in minutes—no code rewrite required.
Protect lead forms, comment boxes, waitlists, and support flows with the same script.