Sold by: FusionAuth
Deployed on AWS
The only Customer Identity and Access Management (CIAM) with hybrid, dedicated deployment you can dev and test anywhere.
4.5
Overview
FusionAuth is an OIDC, SAML, and OAuth-compatible auth server. This includes user management, groups, roles, unlimited enterprise SAML and OIDC connections, and social logins such as Facebook and Google. It is compatible with SAMLv2 and OAuth2 clients. The Starter plan includes premium auth features including advanced MFA, single sign-on, passwordless and social login, LDAP connectors, application theming, breached password detection, machine-to-machine authentication, and more. On the Starter plan, support is provided through the community, including forums, Slack, and GitHub. The Starter plan allows up to 10,000 monthly active users. The service runs on a dedicated EC2 instance. This is a single server with 3 days of backups. You can configure one custom domain name.
Highlights
- User management, groups, roles, unlimited enterprise SAML and OIDC connections, and social logins such as Facebook and Google. It is compatible with SAMLv2 and OAuth2 clients.
- Premium authentication features include advanced MFA (including TOTP, SMS and email), , generic LDAP connectors, application theming, breached password detection, machine-to-machine authentication, and more.
- Runs on a dedicated EC2 instance. This is a single server with 3 days of backups. You can configure one custom domain name.
Details
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Deployed on AWS
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Pricing
Pricing is based on the duration and terms of your contract with the vendor, and additional usage. You pay upfront or in installments according to your contract terms with the vendor. This entitles you to a specified quantity of use for the contract duration. Usage-based pricing is in effect for overages or additional usage not covered in the contract. These charges are applied on top of the contract price. If you choose not to renew or replace your contract before the contract end date, access to your entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
Dimension | Description | Cost/month |
|---|---|---|
FusionAuth | FusionAuth Plan as defined in your private offer. | $400.00 |
Dimension | Description | Cost/unit |
|---|---|---|
overage | MAU overages charged on an arrears basis as needed. | $0.01 |
Vendor refund policy
All fees are non-cancellable and non-refundable except as required by law.
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Software as a Service (SaaS)
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Customer reviews
Катя .
Flexible and Reliable Authentication Solution
Reviewed on Feb 25, 2026
Review provided by G2
What do you like best about the product?
I like FusionAuth because it is flexible and developer-friendly, allowing full control over authentication and user data. It saves me time, makes integration smooth, and lets me customize authentication the way my application needs without fighting the system. It's also reliable and handles login, registration, and roles seamlessly. Plus, the initial setup was relatively straightforward with clear documentation.
What do you dislike about the product?
Some parts of the documentation and advanced configuration can feel overwhelming at first, and simplifying the onboarding experience would make it even better
What problems is the product solving and how is that benefiting you?
FusionAuth handles login, registration, password resets, roles, and API security, freeing me from building authentication from scratch and letting me focus on product features.
Jeffrey E.
FusionAuth manages passwords securely with ease
Reviewed on Feb 11, 2026
Review provided by G2
What do you like best about the product?
Honestly I think the biggest benefit is that I don’t have to remember a million different passwords anymore and since we use it for work and it handles everything from generates strong passwords whenever I want one and stores them automatically and populates passwords when I log in somewhere. The password sharing feature has been especially convenient because our whole team needs to get into some accounts and before we would just send them over slack which likely isn’t ideal.
What do you dislike about the product?
They had me make a master password which made sense but then they wanted me to make another password as well? And I wasn’t entirely sure if these two passwords were supposed to be the same or if they should be different as the wording of that section wasn’t very clear. And sometimes it even comes up randomly on forms fields that don’t require it, and I have to navigate past it to complete things normally.
What problems is the product solving and how is that benefiting you?
We are a small team and everyone had kept their passwords in notebooks or reused the same ones all over the place which obviously was not secure. FusionAuth solved that problem for us by providing an easy-to-use solution for our entire team to safely share login credentials without sending them via chat or email.
Vipin K.
FusionAuth: Essential for Security Research with Easy Setup
Reviewed on Jan 16, 2026
Review provided by G2
What do you like best about the product?
I like that FusionAuth helped me in getting some details about my past accounts, like where the account was created and by which server and browser. It gives me partial access to important information, which is crucial for my research on vulnerability and identity theft. Also, the initial setup of FusionAuth was quite easy.
What do you dislike about the product?
I don't like how FusionAuth is available for everyone, which means while I'm using it for my research, others can use it against me to get my information reversed or changed. It would be better if there was a way to enhance privacy, like adding face or retina authentication so that no one can misuse it.
What problems is the product solving and how is that benefiting you?
FusionAuth helps me research data lost due to security vulnerabilities, providing partial information about account creation details like server and browser used.
Stoyan K.
User-Friendly Integration with Easy Setup
Reviewed on Jan 07, 2026
Review provided by G2
What do you like best about the product?
I use FusionAuth for authentication and user management, including for SSO and roles. I find it user-friendly and that it works out of the box. It's easy to integrate too. The setup is straightforward, and the documentation is clear, which enhances my experience significantly. Compared to Keycloak, FusionAuth feels less complicated and more straightforward, making the initial setup pretty easy.
What do you dislike about the product?
The UI feels too complicated at first. Some advanced features take time to understand, and an advanced toggle or similar option could be helpful.
What problems is the product solving and how is that benefiting you?
I use FusionAuth for authentication and user management. It saves time on building and maintaining our own auth system.
Firdavs S.
Easy Setup, Predictable Pricing, Needs UI Improvement
Reviewed on Dec 12, 2025
Review provided by G2
What do you like best about the product?
I find FusionAuth very easy to set up and use, with pretty understandable API features. The interface is clean and easy to use, which is good. The pricing is pretty predictable, especially when compared to other services. It's good for developers like me who own a website, thanks to its clean APIs and good API documentation, which is easy to understand and take action on.
What do you dislike about the product?
The token lifetimes don't really last long, which is a bit frustrating. Also, when I first logged into FusionAuth, I didn't really understand what it was meant to help with. The interface, while functional, isn't user-friendly or particularly pretty. It wasn't easy to understand at first, and I had to do my own research to figure it out. This part of the experience could definitely be improved.
What problems is the product solving and how is that benefiting you?
I find FusionAuth easy to set up and use. It simplifies login and authentication, sparing me from manual coding. The API is clear and helps make it user-friendly for my website.