Grant
OAuth providers for Express, Koa, Hapi, Fastify, AWS Lambda, Azure, Google Cloud, Vercel, and more.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Grant?
Grant is an OAuth provider library that supports multiple frameworks and cloud platforms. It simplifies the process of integrating OAuth authentication into web applications by providing a consistent API across different environments.
Key differentiator
“Grant stands out by providing a unified approach to OAuth integration across multiple frameworks and cloud platforms, making it easier for developers to implement secure user authentication without the need for framework-specific solutions.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Grant's extensive use of JavaScript-specific patterns and idioms can be challenging for developers unfamiliar with the language.
Historical version updates, such as from v0.1 to v0.2, have required significant rewrites of configuration and integration code.
While Grant supports multiple JavaScript-based frameworks, it has limited or no direct support for non-JavaScript environments, such as Ruby on Rails or Django.
The documentation provides a good overview and basic examples but falls short when it comes to complex configurations and edge cases.
Fit analysis
Who is it for?
✓ Best for
Developers building web applications that require OAuth authentication across multiple frameworks and platforms
Teams working with Express, Koa, Hapi, or Fastify who need a consistent OAuth solution
Projects requiring integration of OAuth providers in AWS Lambda, Azure Functions, Google Cloud Functions, and Vercel
✕ Not a fit for
Developers looking for a full-stack authentication solution that includes frontend components
Teams needing real-time streaming capabilities (Grant is focused on server-side OAuth flows)
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with Grant
Step-by-step setup guide with code examples and common gotchas.