Failed to synthesize speech: Invalid response status (429 Too Many Requests)

Agents
1

I have been continuously getting this error for some reasons

“message”: “failed to synthesize speech: Invalid response status (429 Too Many Requests), retrying in 0.1s”, “level”: “WARNING”, “name”: “livekit.agents”, “tts”: “livekit.agents.inference.tts.TTS”, “attempt”: 1, “streamed”: false, “pid”: 88, “job_id”: “AJ_NyeqMHXGjGWi”, “room_id”: “RM_q4vNmF3ZwXMh”, “timestamp”: “2026-03-26T10:44:18.369649+00:00”}
{“message”: “failed to synthesize speech: Invalid response status (429 Too Many Requests), retrying in 2.0s”, “level”: “WARNING”, “name”: “livekit.agents”, “tts”: “livekit.agents.inference.tts.TTS”, “attempt”: 2, “streamed”: false, “pid”: 88, “job_id”: “AJ_NyeqMHXGjGWi”, “room_id”: “RM_q4vNmF3ZwXMh”, “timestamp”: “2026-03-26T10:44:18.477596+00:00”}
{“message”: “process initialized”, “level”: “INFO”, “name”: “livekit.agents”, “pid”: 128, “elapsed_time”: 1.09, “timestamp”: “2026-03-26T10:44:18.556141+00:00”}
{“message”: “failed to synthesize speech: Invalid response status (429 Too Many Requests), retrying in 2.0s”, “level”: “WARNING”, “name”: “livekit.agents”, “tts”: “livekit.agents.inference.tts.TTS”, “attempt”: 3, “streamed”: false, “pid”: 88, “job_id”: “AJ_NyeqMHXGjGWi”, “room_id”: “RM_q4vNmF3ZwXMh”, “timestamp”: “2026-03-26T10:44:20.485544+00:00”}

This is being happening what are the cause?

2

Hi, I’m seeing logs on our server that indicate you have exceeded your free quota of Inference requests, Pricing | LiveKit .

You should have received an email about this? We are working on making this more visible on the dashboard.