# OpenRouter: Meta Provider API calls are failing on OpenRouter with error 401.

- Provider: [OpenRouter](https://outages.live/openrouter.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-24 22:55 UTC
- Resolved: 2026-09-25 00:33 UTC (lasted 1 h 38 min)
- Components: TTS (/api/v1/audio/speech), STT (/api/v1/audio/transcriptions), Chat (/api/v1/chat/completions)
- Official update: https://status.openrouter.ai

## Updates from OpenRouter

### resolved, 2026-09-25 00:33 UTC

The issue is now resolved. Root cause was identified as an authentication issue on the Meta Developer API Platform impacting all Managed Meta Accounts including OpenRouter's.

### monitoring, 2026-09-24 23:46 UTC

Meta Provider API calls are operational again. We are continuing to monitor.

### monitoring, 2026-09-24 23:28 UTC

The Meta team has begun applying remediations and success rate is improving. Root cause is still unknown.

### identified, 2026-09-24 23:15 UTC

The Meta team is continuing to investigate and is beginning work on remediation. Root cause is still unknown.

### investigating, 2026-09-24 22:55 UTC

The Meta team has been pinged and is investigating.