Psa Interface Checker Scary Mistake Fix Here

The setup: a PSA (public service announcement) interface checker—an automated gatekeeper that inspects incoming data to an application programming interface, flags protocol violations, sanitizes payloads, and either permits or rejects requests. It runs at the edge, before business logic, and everybody breathes easier: malformed requests don’t reach fragile subsystems, data shape is guaranteed, and logs show neat successes.