# FusionAuth (fusionauth.io)

Hosts login, single sign-on, multi-factor and passwordless authentication, plus user management and role-based access, self-hosted or on FusionAuth's cloud.

- Atlas card: https://inite.ai/en/atlas/fusionauth.io
- Site: https://fusionauth.io
- For: Teams building customer identity who need self-hosted or dedicated auth with full control over data and upgrades
- Categories: productivity
- Use 25/100 · alive 100/100

## Used for

- add single sign-on across internal and customer apps
- enforce multi-factor login for user accounts
- run authentication on infrastructure the team controls

## Price

- from 162 USD/month, free plan (read 2026-10-15 on https://fusionauth.io/pricing)

## For developers

- MCP server: io.fusionauth/mcp-api (namespace)
- MCP server: io.fusionauth/mcp-docs (namespace; open on 2026-10-15, 2 tools)
- Status page: http://status.fusionauth.io
- Read 2026-10-15

## Your data

- Certifications stated: soc2, iso27001, gdpr, fedramp, hipaa
- Read 2026-10-15

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