WhatsApp

How to Diagnose an API Integration That Works Until Its Access Token Expires

11/10/2026

An integration may fail after token expiry when refresh logic, scope, clock drift, or credential rotation is mishandled.

Checks to make

Capture status codes without secrets, confirm expiry and refresh behavior, check scopes and server time, test rotation safely, and alert before expiry.

When to get help

API engineering can improve authentication resilience and monitoring. Informatix Systems can assess the symptoms, evidence, and next steps. Contact Informatix Systems to discuss this issue.