governing-credential-schemas

Designing a multi-tenant API key database schema requires enforcing tenant isolation, using polymorphic principal patterns, and storing only cryptographic hashes of credentials. This framework ensures secure data separation and prevents unauthorized access across tenants.

Secure API credential storage relies on hash-only key retention, dedicated scope tables, and comprehensive audit trails. Avoid storing plaintext keys; instead, use cryptographic hashing and implement lifecycle management to track credential expiration and rotation.

Auditing an existing api_keys table involves reviewing it against established security dimensions and anti-patterns. You should evaluate tenant isolation boundaries, verify hash-only storage compliance, and check for missing credential lifecycle management or audit trail gaps.

A polymorphic principal pattern in multi-tenant authentication allows a single API credential schema to represent diverse entity types, such as users, services, or organizations. This design simplifies credential management while maintaining strict tenant isolation boundaries.

Multi-tenant authentication models require separate scope tables to define granular access controls for API keys. Implementing dedicated scope tables allows precise authorization mapping, ensuring credentials only access permitted resources within isolated tenant boundaries.