Auth0
Secure AI agents, humans, and whatever comes next
TL;DR
Auth0 is a developer-friendly identity platform providing authentication, authorization, SSO, MFA, and more for web, mobile, and AI applications. It's ideal for developers and enterprises needing scalable, secure user management without building from scratch. Key differentiator: Extensive SDKs for quick integration and strong focus on securing AI agents alongside traditional users.
Our Take
Auth0 holds a strong market position as a flexible, developer-centric CIAM (Customer Identity and Access Management) solution, now backed by Okta's enterprise-scale infrastructure. Its primary value proposition is simplifying secure authentication and authorization, allowing teams to implement advanced features like passwordless login, adaptive MFA, and fine-grained access control rapidly via SDKs and APIs, reducing development time significantly. Key strengths include robust security (blocking billions of attacks), high reliability (99.99% uptime), and versatility for B2C/B2B/AI use cases, praised in reviews for ease of integration and flexibility with social logins/SSO. It stands out for startups and mid-sized apps with its generous free tier scaling to 25k MAU. Limitations include complex initial setup for advanced configs, pricing that scales aggressively with MAU (leading to complaints for high-volume freemium apps), and post-Okta acquisition support declines noted by some users. Enterprise pushes for upgrades can feel aggressive. Best suited for developer teams at growing SaaS companies, startups building customer-facing apps, and enterprises needing AI-secure auth without heavy ops overhead. Less ideal for cost-sensitive high-scale B2C without careful MAU planning.
Pros
- + Easy and quick integration with 30+ SDKs, saving significant development time.
- + Robust security features like MFA, SSO, bot detection, and attack protection, highly reliable.
- + Flexible authentication options including social, passwordless, and enterprise connections.
- + Scalable for high volumes with 99.99% uptime and AI-specific tools.
- + Generous free tier suitable for startups up to 25k MAU.
Cons
- - Pricing can become expensive quickly with MAU growth and aggressive tier upgrades.
- - Complex setup and UI for advanced configurations, steep learning curve.
- - Customer support has declined post-Okta acquisition, slower responses.
- - Limited customization in some areas like UI and push notifications.
- - Not ideal for freemium B2C apps due to MAU-based billing.
Sentiment Analysis
Auth0 receives highly positive feedback on professional review sites like G2, Capterra, and TrustRadius for its ease of use, robust security features (MFA, SSO, social logins), seamless integrations, and scalability. Common praises include quick setup and developer-friendly SDKs. Criticisms focus on pricing (high costs, recent increases, especially for scaling or enterprise features), customization limitations, UI issues, and support decline post-Okta acquisition. Reddit shows more mixed to negative views centered on pricing shocks and migration difficulties, while X is promotional/neutral. Key themes: excellent for security and integration but pricey for startups/SMBs.
Sentiment Over Time
By Source
243 mentions
Sample quotes (3)
- "Users consistently praise Auth0 for its ease of use and flexibility in authentication."
- "Users praise Auth0 for its robust security features, enabling seamless, reliable authentication."
- "Users find Auth0's ease of use remarkable, making setup and integration straightforward."
136 mentions
Sample quotes (3)
- ""Powerful authentification platform for scaling""
- ""Auth0 is a secure platform that I trust.""
- ""Auth0 provided a seamless integration experience""
77 mentions
Sample quotes (3)
- ""Secure authentication out of the box, including MFA, SSO""
- ""Easy integration with apps using OIDC, OAuth 2.0""
- ""Login and registration has become simple""
30 mentions
Sample quotes (3)
- "In my experience, auth0 was a complete disaster... introduced way more problems"
- "Auth0 pricing will KILL you if you need SAML... $34k/year"
- "Auth0 just increased the price... now it seems non-viable"
20 mentions
Sample quotes (3)
- "Unlock the power of authentication and authorization with Auth0!"
- "You build the app. Auth0 keeps the bad stuff out."
- "Scaling your app? The right @auth0 plan makes all the difference."
Screenshot
Features
Geostrategic Position
Information on which part of the world this product / vendor belongs to, i.e. the country of their headquarters primarily, but also their hosting options etc.
Find which geostrategic world region the headquarter is located in. Relevant for compliance questions (e.g., CLOUD Act) or risk of cut-off in case of conflicts. For example, some EU companies are worried about the US and would definitely not host their customer with Chinese or Russian companies.
The hosting provider that is used to host this product, if any.
The available hosting locations, if you can choose
Compliance & Security
Security certifications, compliance features, and access control capabilities.
SOC 2 Type I or Type II certification.
ISO 27001 information security certification.
Built-in tools for GDPR compliance (data export, deletion, consent).
Complete audit log of all data changes.
Granular permissions based on user roles.
Single Sign-On integration support.
Developer Experience
Tools and abstractions easing agent development and iteration.
No-code/low-code UI for designing agent workflows.
OpenAI API-compatible endpoints or SDKs.
Available as open-source with community contributions.
Programming languages with official SDK support.
Ready-to-use, customizable UI elements for auth flows.
Self-service admin dashboard for customers to manage users/orgs.
Supported frontend frameworks with dedicated guides/components.
Authentication Methods
Core authentication flows and options supported by the platform.
Supports passwordless authentication via magic links, passkeys, or biometrics.
Supported third-party social login providers.
Supported multi-factor authentication methods.
Built-in protection against bots and automated attacks during auth.
Enterprise Integrations
Protocols and tools for integrating with enterprise identity systems.
Supports SCIM for automated user provisioning and deprovisioning.
Supports syncing users/groups from directories like HRIS or IdPs.
Compatible identity providers for federation.
Just-In-Time user provisioning from SAML/OIDC assertions.
Pricing & Free Tier
Free tier limits and overall pricing structure.
Maximum Monthly Active Users allowed on the free tier.
Key usage metrics that incur costs.
