Does IAM cost money? The free service and its paid neighbors

Quick answer

AWS IAM is completely free: creating and using users, roles, groups, policies, access keys, and IAM roles for services costs nothing, no matter how many you have. What can cost money are adjacent identity and secrets services, not IAM itself: AWS Secrets Manager (per secret per month plus API calls), some AWS Identity Center integrations, and features like IAM Access Analyzer's external unused-access analysis on higher tiers. So the core IAM service is free, and you should use it generously; only its neighboring paid services carry charges.

IAM (Identity and Access Management) is the backbone of AWS security, and a frequent question is whether all those users, roles, and policies add to the bill. The answer is refreshingly simple: IAM itself is free. There is no charge for the core identity service at any scale. The only costs come from separate, adjacent services that people sometimes lump in with IAM.

What is free in IAM

IAM feature	Cost
Users, groups, roles	Free, any number
Policies (managed and inline)	Free
Access keys and MFA	Free
IAM roles for services (instance profiles, etc.)	Free
Basic IAM Access Analyzer findings	Free

You can create as many users, roles, groups, and policies as you need without any charge. This is by design: AWS wants you to follow least-privilege and use fine-grained roles freely, so the security foundation is free. Like security groups and the VPC structure itself, IAM is a free control-plane service. Use it generously.

The paid neighbors

The cost confusion comes from services near IAM. AWS Secrets Manager charges per secret per month plus per API call (Systems Manager Parameter Store is a cheaper or free alternative for many cases). Some AWS Identity Center (formerly SSO) integrations and third-party identity federations may carry cost depending on setup. IAM Access Analyzer's basic findings are free, but its unused-access and external-access analysis features are billed per analyzer on higher tiers. None of these is IAM itself, they are separate services you can choose to use.

Practical takeaway

Because IAM is free, there is no cost reason to skimp on good identity practices: create dedicated roles per service, use fine-grained policies, and follow least-privilege freely. The security benefit is real and the cost is zero. Just be aware that storing secrets (Secrets Manager) and advanced access analysis are separate, paid services, and choose those deliberately. For where AWS costs actually come from, see the biggest AWS cost drivers and, for another free service, does Terraform cost money. Price the paid neighbors before you adopt them against the resource catalog.

FAQ

Does AWS IAM cost money?

No. AWS IAM is completely free. Creating and using users, roles, groups, policies, access keys, MFA, and IAM roles for services costs nothing, no matter how many you have. IAM is a free control-plane service by design, so AWS encourages you to follow least-privilege and use fine-grained roles freely. Only adjacent services near IAM carry charges, not IAM itself.

Is there a limit to how many IAM roles I can create free?

IAM has default quotas on the number of users, roles, groups, and policies per account, but everything within those quotas is free, and many quotas can be raised on request. There is no per-role or per-user charge at any scale. So you can create dedicated roles per service and follow least-privilege generously without any cost concern, only quota limits, not billing, apply.

What identity-related AWS services do cost money?

Not IAM itself, but adjacent services: AWS Secrets Manager (per secret per month plus API calls), some AWS Identity Center integrations depending on setup, and IAM Access Analyzer's unused-access and external-access analysis features on higher tiers. Systems Manager Parameter Store is a cheaper or free alternative to Secrets Manager for many cases. These are separate services you choose to use, distinct from free core IAM.

Does Secrets Manager count as IAM?

No. AWS Secrets Manager is a separate service from IAM, and it does charge, per secret stored per month plus per API call. People sometimes group it with identity and access, but it is distinct from the free IAM service. For simpler secret and parameter storage, Systems Manager Parameter Store offers a cheaper or free alternative for many use cases.

Should I limit IAM roles to save money?

No. Because IAM is free, there is no cost reason to skimp on identity practices. Create dedicated roles per service, use fine-grained least-privilege policies, and enable MFA freely, the security benefit is real and the cost is zero. The only identity-related costs come from separate paid services like Secrets Manager and advanced access analysis, which you should choose deliberately.

How does C3X handle free services like IAM?

C3X prices your infrastructure from Terraform and reflects that free services like IAM add no cost, while surfacing the paid neighbors (such as Secrets Manager) that do. Seeing which resources are free and which carry charges at design time keeps your cost estimates accurate and helps you adopt paid identity services deliberately rather than by surprise.

What to do next

Know which resources are free and which cost money before you deploy. C3X prices your resources against a live catalog. Start with the quickstart.