# Kaidn (kaidn.io)

Checks signups, logins and payouts for fraud through one API call, returning a verdict and a plain-language reason.

- Atlas card: https://inite.ai/en/atlas/kaidn.io
- Site: https://kaidn.io
- For: Operators of rewards, affiliate, crypto, SaaS, games and fintech platforms stopping fake signups and bonus abuse
- Categories: dev, security
- Use 21/100 · alive 92/100

## Used for

- Check new signups for fake or throwaway accounts
- Flag logins from unfamiliar devices and locations
- Review cash-out requests for suspicious device changes

## Price

- from 39 USD/month, free plan (read 2026-10-12 on https://kaidn.io/pricing)

## For developers

- API docs: https://kaidn.io/docs
- MCP server: io.kaidn/kaidn-mcp (namespace)
- Read 2026-10-12

## Your data

- Certifications stated: gdpr, soc2, iso27001
- Training on your data: no (https://kaidn.io/dpa)
- Read 2026-10-12

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Source: INITE Atlas, https://inite.ai/en/atlas/kaidn.io. JSON: https://inite.ai/api/atlas/kaidn.io. MCP: https://inite.ai/api/mcp (atlas_lookup).