Backend-as-a-Service

Node-Casbin

Authorization library supporting ACL, RBAC and ABAC models.

Status
Generally available
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

Node-Casbin is an authorization library that supports various access control models like ACL, RBAC, and ABAC. It helps developers implement fine-grained access controls in their applications efficiently.

Node-Casbin stands out by offering a flexible, extensible framework for implementing various access control models with support for multiple storage backends.

When it fits — and when it doesn’t

A good fit for

  • Developers building scalable web applications requiring robust authorization mechanisms

  • Teams needing to enforce complex access control policies across multiple services

  • Projects that require integration with various storage backends for policy management

Look elsewhere if

  • Applications where real-time policy enforcement is critical and cannot tolerate any latency

  • Scenarios where the overhead of setting up a custom authorization layer outweighs the benefits

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited documentation for advanced use cases

    Examples and guides are sparse for implementing complex ABAC policies

  2. 02

    Performance issues with large policy sets

    Scalability tests show significant slowdowns when managing more than 10,000 rules

What it does well

  • Support for multiple access control models (ACL, RBAC, ABAC)

  • Flexible policy management with support for various storage backends

  • Extensible architecture allowing custom authorization logic

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

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Set up Node-Casbin

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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