Resolved: Tracking Number Association API Maintenance Impact
Planned maintenance was performed on June 12, 2026, which briefly affected the Tracking Number Association API.
During this time, some customers were unable to add tracking numbers to their Advanced Integrated Visibility (AIV) webhook subscriptions.
Maintenance Duration
- Start: June 12, 2026, 7:20 AM CT
- End: June 12, 2026, 7:57 AM CT
Current Status
- Resolved
Affected Functionality
- Endpoint: https://apis.fedex.com/webhook/v1/subscriptions/trackingnumbers/association
- POST requests returned HTTP 500 errors during the maintenance window.
Issue Summary
- The system entered maintenance mode and temporarily rejected new tracking number association requests.
- Existing subscriptions and previously added tracking numbers were not impacted.
- Some customers were unable to add new tracking numbers to AIV webhook subscriptions during the maintenance window.
Remediation
- The API is now fully operational.
- All impacted requests have been reprocessed.
