On the page, like adults.
No “book a demo”. Start free, upgrade when the fraud you catch pays for it. Prices in USD; taxes shown at checkout.
10k events a month, 30 days of memory. Enough to see it work on your own traffic.
- Events
- 10,000/mo
- Sites
- 1 · 3 domains
- Lookback
- 30 days
- Per 1k events
- Free
- All engine checks + verdicts
- Device fingerprinting (@kaidn/fp)
- Email, IP & phone lookups
- Bulk CSV scoring & lookups
- Strict / balanced / less strict presets
- Dashboard & free checker
- Allow / blocklists
50k events and 60 days of memory — twice as far back as Free, so a farmer has to wait two months.
- Events
- 50,000/mo
- Sites
- 1 · 3 domains
- Lookback
- 60 days
- Per 1k events
- $0.78
- Everything in Free
- AI reasons & insights
- Custom rules (weights & thresholds)
250k events and a 90-day memory, at less than half Basic's cost per event.
- Events
- 250,000/mo
- Sites
- 5 · 20 domains
- Lookback
- 90 days
- Per 1k events
- $0.40
- Everything in Basic
1M events, 180 days of memory, and the cross-operator graph.
- Events
- 1,000,000/mo
- Sites
- Unlimited
- Lookback
- 180 days
- Per 1k events
- $0.30
- Everything in Starter
- Cross-network fraud graph
- Higher rate limits
From $999: custom volume, SLA and dedicated support.
- Events
- Custom
- Sites
- Unlimited
- Lookback
- Custom
- Per 1k events
- Quoted
- Everything in Growth
- Custom event volume
- Integration support
| Compare plans | Free | Basic | Starter | Growth | Enterprise |
|---|---|---|---|---|---|
| Events / month | 10,000 | 50,000 | 250,000 | 1,000,000 | Custom |
| AI-written reasons | — | ✓ | ✓ | ✓ | ✓ |
| All engine checks + verdicts | ✓ | ✓ | ✓ | ✓ | ✓ |
| Email · IP · phone lookups | ✓ | ✓ | ✓ | ✓ | ✓ |
| Allow / blocklists | ✓ | ✓ | ✓ | ✓ | ✓ |
| Sensitivity preset (strict / balanced / less strict) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Custom rules (weights & thresholds) | — | ✓ | ✓ | ✓ | ✓ |
| Cross-network fraud graph | — | — | — | ✓ | ✓ |
| Sites (tracker keys) | 1 | 1 | 5 | Unlimited | Unlimited |
| Domains per site | 3 | 3 | 20 | 20 | 20 |
| Event retention | 30 days | 60 days | 90 days | 180 days | Custom |
| Support | Community support | Email support | Email support | Priority support | Dedicated support + SLA |
Every plan includes all engine checks and verdicts; AI-written reasons are on the paid plans. Payments are securely processed by Paddle, our Merchant of Record. By subscribing you agree to our Terms and Refund Policy.
On the roadmap
What we’re building next. These aren’t live yet — we list them so you know where Kaidn is headed, not to bill you for vapor.
- pendingNative mobile SDKiOS & Android; the web SDKs are already live
- pendingURL / link scanner
- pendingTenant alerts & outbound webhooks
- pendingTransaction scoring templates
- pendingAddress verification
- pendingReverse identity checks
- pendingResidential-proxy detectionproxy & datacenter detection is live; this is the harder residential case
- pending99.9% uptime SLAEnterprise
Pricing questions
Is there really a free tier?
Yes — 10,000 events a month, forever, no card required. It includes all engine checks and verdicts so you can evaluate Kaidn on your own traffic. AI-written reasons unlock on the paid plans.
How am I billed, and what about tax?
Paid plans are billed in advance, monthly or annually, and renew automatically until you cancel. Payments are processed by Paddle, our Merchant of Record, which adds any applicable VAT or sales tax at checkout and sends your receipt. We never see your full card details.
What counts as an event?
One call to POST /v1/score is one event. The free-tool checkers and dashboard views do not count against your event allowance.
What happens if I go over my plan's limit?
We'll let you know before it bites. Depending on your plan we may throttle, queue overage for billing at the published rate, or ask you to upgrade — we won't silently stop scoring your traffic.
Can I cancel or get a refund?
Cancel anytime from your dashboard — you keep access until the end of the period you’ve paid for. Your first paid subscription is covered by a 14-day money-back window. See the Refund Policy for details.
Do you offer annual or custom pricing?
Annual billing is available on every paid plan, and Enterprise is fully custom — email support@kaidn.io and we’ll sort it out. No sales call required.