Say Bye to
"Prove You're Human"

Ditch CAPTCHAs and let your users focus on what they came for, while staying protected.

Screenshot of Duckity's dashboard

Zero Puzzles, Zero Interruptions

Keep your application annoyance-free without sacrificing on security.

With CAPTCHAs

Solve a puzzle before you can log in
May require multiple attempts. Leave your privacy at the door.

With Duckity

We will never ask your user to solve a puzzle. Ever. We instead send devices invisible VDFs to solve and apply transparent server-side scoring.

Don't Compromise on Privacy

Keep your users private. We don't store cookies nor fingerprints and our SDKs are 100% open-source.

Duckity's logoDuckity's logo
No cookies
No fingerprints
Transparent algorithms
Open-source client-side SDKs

No Users Blocked Unexpectedly

A 100% transparent, documented algorithm. No surprises, no black-box AI.

Screenshot of Duckity's hardness configurations.
Claude
Grok

AI Agents are not Always Bad Bots

People delegating to AI agents to do their work should not get blocked. React on suspicious behavior, not stereotypes.

Python
Django
FastAPI
Flask
Rust
Tokio
JavaScript
TypeScript
React
Astro
Next.js
Bun
Deno
Remix
jsDelivr

Run Anywhere, From Browsers to CLIs

SDKs for Python, Rust, JS/TS, and React are provided. Secure your apps from a single place.

Browse the docs

Get Human Support by Duckity Devs

When real problems arise, it's not the time for AI to make mistakes. We handle support ourselves, so you get the help that actually helps.

Hey! How can I help you?
Is the React SDK bugged? It's not working in my component.
React hooks are client-side only, make sure you have "use client" at the top of your file.
That was it. Thanks!
Solved

Simple Pricing

Get started for free, scale fearlessly when needed.

Hobby

Free
Comes with:
5,000 challenges per month
2 applications
3 policies per application
No CAPTCHA branding
1-week analytics retention
Best-effort Human Support™

Pro

$20/mo + taxes
Comes with:
100,000 challenges per month
10 applications
20 policies per application
No CAPTCHA branding
3-month analytics retention
Priority Human Support™
Additionally:
$1 per 1,000 extra challenges issued

You'll be Ready in 10 Minutes

Ditch CAPTCHAs with Duckity, your users will thank you.