Quick Start
Create an account, use the automatically provisioned onboarding credits, and make your first captcha.fun API request
Create Account
To get started, you'll need to create an account on the captcha.fun dashboard.
- Visit the dashboard
- Click Sign Up to create a new account
- Verify your email address to complete registration
Optional: Add more credits
New accounts automatically receive 10,000 onboarding credits. Adding funds is optional and only needed when you want more credits.
- If you need more credits, go to Billing & Credits
- Choose your preferred payment method (Stripe or Crypto)
- Select the amount of credits you want to purchase
- Complete the checkout process
Get Your API Key
Once your account is set up, you'll need to grab your API key.
- Navigate to your Dashboard
- Locate your API key in the dashboard
- Copy your API key - it will be in the format:
CAPFUN-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Create Your First Solve Request
Now you're ready to start solving captchas! Head over to the API documentation to learn how to create your first solve request.
Supported Solutions
Every solution uses the same request-and-poll flow: POST the kind to /v1/request, then poll the response endpoint. Each reference page documents the product's fields and how to replay its artifact.
| Product | kind |
|---|---|
 reCAPTCHA v3 | recap_v3 |
 Friendly Captcha | friendly_captcha |
 CaptchaFox | captchafox |
| FunCaptcha Invisible | funcaptcha_invis |
 DataDome | datadome |
| DataDome Interstitial | datadome_interstitial |
 PerimeterX | perimeterx |
| PerimeterX Hold | perimeterx_hold |
| PerimeterX Invisible | perimeterx_invisible |
| reCAPTCHA v2 | recap_v2 |
 Cloudflare Turnstile | turnstile |
| Cloudflare WAF | cf_waf |
 hCaptcha Enterprise | hcaptcha |
| hCaptcha Invisible | hcaptcha_invis |
 GeeTest | geetest |
 Akamai (_abck) | akamai_abck |
| Akamai (sbsd/bm_sc) | akamai_sbsd |
| Akamai (sec_cpt) | akamai_sec_cpt |
 Kasada | kasada |
| Kasada (cd) | kasada_cd |
| Kasada (tl payload) | kasada_tl_payload |
| Ticketmaster TMPT | tmpt |
| Imperva | imperva |
| Incapsula (_utmvc) | incapsula_utmvc |
| Incapsula (reese84) | reese84 |
 AWS WAF | aws_waf |
 Shape | shape |
| Castle | castle |
| Forter | forter |
| Riskified | riskified |
| ThreatMetrix | threatmetrix |
 Vercel Challenge | vercel_challenge |