Auth0
Developer-first CIAM with SDKs and docs
Pricing: Free up to 25,000 MAUs; B2C paid from $35/mo; B2B paid from $150/mo
Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed February 2026 · How we review listings
What is Auth0?
Auth0 is a developer-focused customer identity platform (CIAM) now owned by Okta but sold as a separate product. It provides drop-in login, social sign-in, passwordless authentication, and multi-factor auth for applications, with SDKs for nearly every major framework. Auth0 is especially popular with SaaS startups because of its generous free tier and developer experience: you can go from zero to a working login flow in minutes.
- ✓ Excellent developer experience and documentation
- ✓ Generous free tier covers most early-stage apps
- ✓ Extensive SDKs for every major framework
- ✓ Actions and Rules allow flexible custom logic
- • Pricing gets expensive fast past the free tier
- • Okta acquisition raised long-term pricing concerns
- • B2B pricing tier jumps sharply for simple orgs support
- • Admin UI can feel dense for non-developer users
Reported in public reviews and vendor documentation. See sources below.
Key Features
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Sources & references
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Quick Info
| Pricing | Free up to 25,000 MAUs; B2C paid from $35/mo; B2B paid from $150/mo |
| Model | Per monthly active user (MAU) |
| Founded | 2013 |
| Cloud | Yes |
| Self-Hosted | No |
Last updated: Feb 20, 2026