Incident Library

Organisation

AssemblyAI

AssemblyAI · assemblyai

2 cases · 2026

Root cause Capacity exhaustion1Cloud provider outage1
Component Amazon ECS1Message broker1
Contributing factor Automation amplification1Excessive blast radius1Ignored early signal1Monitoring blind spot1
Symptom High error rate2High latency2Cloud API rate limit exhausted1Service outage1

Cases

  1. IL-0410 SQS Fair Queues rejected valid messages with InvalidParameterValue, failing about half of AssemblyAI's US async requestsAssemblyAI · 2026

    Root cause Cloud provider outage

  2. IL-0409 AssemblyAI's async and LLM Gateway APIs returned 5xx after its auth service could not get ENIs and scaled to zeroAssemblyAI · 2026

    Root cause Capacity exhaustion