Previous incidents

October 2025
Oct 28, 2025
1 incident

Elevated errors in connecting calls.

Resolved Oct 28, 2025 at 11:01pm UTC

We experienced a spike in call connection errors between 3:40 and 3:58. The issue has since been resolved.

Oct 22, 2025
1 incident

API + DB Degradation

Resolved Oct 22, 2025 at 7:35pm UTC

We are seeing increased latency and requests timing out from API and DB degradation. We are working with our DB provider to resolve this, and have made a change.

Now monitoring to ensure improvement.

There was a DB restart and things are looking normal now. The issues have been resolved.

Oct 21, 2025
1 incident

Elevated errors in api

Resolved Oct 21, 2025 at 4:54pm UTC

we experienced elevated errors in our api (for phone calls create) at 9:35 AM PT for few minutes. This has been resolved.

Oct 15, 2025
1 incident

Increased 5XXs for a minute

Resolved Oct 15, 2025 at 6:31pm UTC

We had a restart on our database endpoint leading to a small blip in 500s for api endpoints.

Oct 14, 2025
1 incident

Worker died errors on calls.

Resolved Oct 14, 2025 at 9:00am UTC

We had a small blip on daily channel with call.in-progress.error-vapifault-worker-died errors due to a new daily deployment. We have rolled it back.

Oct 13, 2025
2 incidents

Degradation for inbound twilio calls

Degraded

Resolved Oct 13, 2025 at 8:11pm UTC

The issue with twilio inbound calls failing on daily has been resolved. The root cause was connection timeouts on a new egress proxy service.

1 previous update

Call logs not visible on dashboard

Resolved Oct 13, 2025 at 7:45am UTC

We detected calls logs not reflecting in the dashboard for some time. This was due to an error while attaching a partition and has been resolved now. Call logs will be populated soon if they were missing.

Oct 03, 2025
1 incident

Increased Latency in Vapi Web Call

Degraded

Resolved Oct 4, 2025 at 11:22pm UTC

After further investigation with our WebRTC provider, this does not seem to be platform issue. We will follow up with impacted users directly.

1 previous update

September 2025
Sep 30, 2025
1 incident

Elevated API errors between 9:30-11:30am PT on 30th Sept.

Resolved Sep 30, 2025 at 7:11pm UTC

We experienced intermittent spikes in 5xx errors on our APIs in the weekly cluster. The root cause was identified, and a fix has already been implemented.

During this period, both inbound and outbound calls may have been affected, as they rely on the APIs for data, resulting in potential service degradation.

Sep 12, 2025
1 incident

Degradation in connecting SIP calls.

Degraded

Resolved Sep 12, 2025 at 10:47pm UTC

Services are restored.

1 previous update

Sep 10, 2025
1 incident

High errors with connecting to our assistant Db. Calls and API are affected.

Degraded

Resolved Sep 10, 2025 at 7:27pm UTC

Problem has been resolved now. All services are healthy again.

1 previous update

Sep 04, 2025
2 incidents

Call Logs Since 09/05 00:00 UTC not loading

Degraded

Resolved Sep 5, 2025 at 1:43am UTC

We have fixed the issue. Call Logs are returned correctly by API

1 previous update

Cartesia Voices Degraded

Degraded

Resolved Sep 4, 2025 at 8:55pm UTC

Cartesia has resolved the issue, and is full operational.

1 previous update

Sep 03, 2025
1 incident

Elevated cases of assistant not responding in calls on daily cluster

Degraded

Resolved Sep 3, 2025 at 10:06am UTC

We have identified the root cause. The problem has been fixed by rolling back a recent deployment on daily.

1 previous update

Sep 02, 2025
1 incident

Call Transfers Degradation on Vapi Phone Number

Degraded

Resolved Sep 2, 2025 at 7:24pm UTC

We have scaled up our telephony infrastructure resources and bumped our rate limits. We haven't seen any more issues in the last 20 minutes, and call transfers are working as expected now. We are closely monitoring.

1 previous update

August 2025
Aug 28, 2025
1 incident

Deepgram Aura-2 TTS Performance Degradation

Resolved Aug 28, 2025 at 7:04pm UTC

Deepgram is investigating an issue where a subset of requests may return elevated rates of 5XX errors or experience significantly higher time to first byte

Aug 27, 2025
1 incident

Aura-2 TTS Performance Degradation

Degraded

Resolved Aug 27, 2025 at 9:00pm UTC

This incident has been resolved.

1 previous update

Aug 25, 2025
1 incident

Intermittent issues with the dashboard loading

Resolved Aug 26, 2025 at 12:04am UTC

The issue was pinpointed and reverted quickly

2 previous updates

Aug 05, 2025
1 incident

Elevated error rates on ElevenLabs Voice requests

Degraded

Resolved Aug 6, 2025 at 4:14am UTC

Elevenlabs released a fix and is fully operational now. We are also seeing normal levels, but will continue to monitor.

For impacted users, we recommend implementing Vapi Fallback Plan to automatically failover in the future
https://docs.vapi.ai/voice-fallback-plan

1 previous update

Aug 04, 2025
1 incident

API and calls were momentarily disrupted

Resolved Aug 5, 2025 at 7:12pm UTC

IR August 4th: Call Degradation due to Pod Evictions

TL;DR

On August 4th, an incident occurred due to aggressive pod consolidation by Karpenter, which caused Redis pods to be evicted and restarted. This led to API pod failures, triggering a failover to an outdated networking component, resulting in dropped calls. The incident caused a total of 393 calls to be dropped.

Timeline (PST)

August 4th

  • 11:02-11:27 AM - Core team identifies Karpenter pods in CrashLoopBackOff (OOMKi...

1 previous update