Master secure authentication patterns for REST/GraphQL APIs with OAuth 2.0, JWT, API keys, and mTLS. Perfect for enterprise security architects and API developers.
Industry-standard protocol for secure delegated access with token refresh, client credentials, and resource owner grants.
Stateless bearer tokens with cryptographic signatures for secure claims-based authentication and cross-service validation.
Simple yet powerful keys for application authentication with automated rotation and quota-based rate limiting.
Mutual TLS authentication for machine-to-machine communication with client server certificate validation.
Implement production-grade authentication workflows with enterprise-grade security practices
Choose authentication strategy based on use case (web service, mobile app, machine to machine).
Implement fine-grained RBAC/ABAC policies with dynamic entitlements management.
Create token refresh, revocation, and rotation policies with centralized key management.
// Validate token signature
const isValid = verifyJWT(token, publicKey)
if (!isValid) throw Error('Invalid signature')
Example JSON Web Token validation using RS256 signature verification with public key infrastructure.
Standard OAuth 2.0 Authorization Code Flow with PKCE for mobile/web security.
const certs = validateMTLS(
clientCert, serverCert,
caChain
);
Mutual TLS validation with certificate chain verification and automated key rotation.
if (!hasValidKey(headers.apiKey))
return 401 Unauthorized
Basic API key validation pattern with quota tracking and automated key expiration.
Our authentication system integrates seamlessly with global compliance requirements and security best practice frameworks
Authentication systems follow strict data minimization and encryption requirements.
All authentication logs and certificate records follow SOC 2 Type II security controls.
Continuous authentication and least-privilege access patterns for microservices.
Join our certification program to gain official API Security Practitioner credentials with hands-on security validation exercises.