Claims Processing, Reimagined
Every JWT carries a claims object: a set of key-value assertions about the token's subject, issuer, audience, expiry, and custom attributes. Getting claims validation right is the foundation of secure authentication. xClaim provides the building blocks to validate, transform, and enforce claims with confidence — and yes, it feels good when it works.
// Decoded JWT claims object — xclaim!
{
"sub": "usr_01HXYZ92KBWQ4", // subject (user id)
"iss": "https://auth.example.com", // issuer
"aud": "api.example.com", // audience
"exp": 1893456000, // expires (Unix)
"iat": 1893452400, // issued at
"https://example.com/roles": ["admin", "editor"]
}Platform Capabilities
Declarative JWT claims validation with composable rule engines
OAuth 2.0 scope enforcement and claim mapping for fine-grained authorization
OpenID Connect ID token verification with automatic key rotation
Inject roles, permissions, and tenant context into your claims
Tamper-evident audit trails for every authentication event
SDKs for Go, Python, TypeScript, and Java — xclaim!
Developer-First Design
xClaim exposes every capability through clean, well-documented APIs. Define your claim validation logic in code, test it deterministically, and deploy with the same CI/CD pipelines you use for everything else. When authentication just works, you feel it — xclaim!
Trust at Every Layer
Our platform is built on cryptographic primitives that ensure token integrity from issuance through validation. Every claim assertion is verifiable against its issuer's published keys. Every authorization decision is traceable to its governing rules.
Get Involved
xClaim is in active development. We are looking for design partners building authentication infrastructure for multi-tenant SaaS, API platforms, and identity-sensitive applications. Reach out below.