Synthflow outage history

Every smaller Synthflow incident

Minor and short incidents from the Synthflow AI Status Page status page, newest first, each with a line from the official updates. Times are UTC.

September 2026

• Sep 7, 2026, 13:15 UTC · Login issue affecting white-label workspaces

  2 hours 27 min · rated "Minor"

  "This issue is now resolved. RCA: Impact: Users were unable to log in to white-label workspaces using custom domains. Standard workspaces were unaffected."

August 2026

• Aug 17, 2026, 11:40 UTC · Call failures and degraded performance on call transfers

  duration not stated · rated "Minor"

  "What happened A change to our internal telephony configuration was rolled out to production and introduced an unexpected fault in call routing."

• Aug 7, 2026, 13:57 UTC · Failures within our post call webhook

  duration not stated · rated "Minor"

  "What happened An internal configuration change restricted which AI models the Synthflow platform was permitted to call. The restriction was applied more broadly than intended and blocked the models used by our post-call processing pipeline."

July 2026

• Jul 15, 2026, 09:39 UTC · Degraded agent performance due to upstream Azure OpenAI incident (East US 2)

  duration not stated · rated "Minor"

  "Summary Between 12:29 UTC and 14:00 UTC, a subset of customers experienced agents that were unresponsive or significantly delayed."

• Jul 10, 2026, 12:24 UTC · Increased Rate Limiting (HTTP 429) in the Synthflow API

  duration not stated · marked as no impact

  "June 16, 2026 Synthflow RCA Increased Rate Limiting (HTTP 429\) in the Synthflow API Summary On June 16, 2026, we experienced a significant increase in overall traffic, which triggered Synthflow's service-wide rate limiting rules."

• Jul 10, 2026, 12:24 UTC · US cluster - Degraded performance on end to end calling

  duration not stated · rated "Major"

  "Service Incident Report - US Voice Service Disruption Date: July 6, 2026 Status: Resolved Summary On July 6, 2026, our US voice service experienced a brief disruption lasting approximately 18 minutes."

• Jul 10, 2026, 12:24 UTC · Degraded performance

  duration not stated · rated "Minor"

  "Due to a database memory spike, we had limietd degraded performance during this window."

• Jul 10, 2026, 12:24 UTC · [EU region] Degraded performance on calls

  duration not stated · rated "Minor"

  "This issue has been resolved."

• Jul 10, 2026, 12:24 UTC · We are investigating an issue

  duration not stated · rated "Minor"

  "We are seeing an evaluation in failed calls. We are investigating the issue."

• Jul 10, 2026, 12:24 UTC · Degraded agent performance due to upstream Azure OpenAI incident (East US 2)

  duration not stated · marked as no impact

  "Summary Between 12:29 UTC and 14:00 UTC, a subset of customers experienced agents that were unresponsive or significantly delayed."

• Jul 10, 2026, 12:24 UTC · Service degradation

  duration not stated · rated "Major"

  "Voice Agents Not Responding During Phone Calls Summary Impact: Customers in all regions - Global, US, and EU - experienced unresponsive voice agents. The most common symptom was a silent agent."

• Jul 10, 2026, 12:24 UTC · Limited issues for RingCentral number

  duration not stated · marked as no impact

  "We are currently experiencing outbound call failures for customers using our RingCentral integration configured with the sip12.ringcentral.com SIP proxy. This only affects customers on that specific configuration."

• Jul 10, 2026, 12:24 UTC · API Routing Disruption

  duration not stated · marked as no impact

  "This incident has been resolved."

• Jul 10, 2026, 12:24 UTC · Voice quality issue

  duration not stated · marked as no impact

  "We have identified cases where the voice agent prematurely terminates speech output during a response. This is due an external vendor issue we are investigating."

• Jul 10, 2026, 12:24 UTC · We are investigating degraded end-to-end calling performance for certain accounts.

  duration not stated · rated "Minor"

  "The issue has been fully resolved. A small number of requests (approximately 100 calls) failed during the incident window as a result of an upstream service disruption affecting Cloudflare. https://www.cloudflarestatus.com/"

• Jul 10, 2026, 12:24 UTC · Degraded performance on some calls.

  duration not stated · rated "Minor"

  "Incident Summary (RCA) Earlier today, some calls experienced media delays due to an issue affecting part of our media infrastructure."

• Jul 10, 2026, 12:24 UTC · Synthflow API is down

  duration not stated · rated "Critical"

  "Synthflow API recovered."

• Jul 10, 2026, 12:24 UTC · We are experiencing degraded performance on end to end calling

  duration not stated · rated "Minor"

  "Incident Summary (RCA) On December 12, 2025, starting at 13:58 CET, we experienced a brief service interruption caused by a DNS management policy change that led to unintended DNS record removals."

• Jul 10, 2026, 12:24 UTC · Synthflow Dashboard Degradation

  duration not stated · rated "Minor"

  "The vendor has implemented the fix and we are continuing to monitor the results. https://www.cloudflarestatus.com/incidents/lfrm31y6sw9q"

• Jul 10, 2026, 12:24 UTC · Synthflow API is down

  duration not stated · rated "Critical"

  "Synthflow API recovered."

• Jul 10, 2026, 12:24 UTC · Degraded performance on our dashboard and API

  duration not stated · rated "Minor"

  "Incident Summary (RCA) 1. Summary On 2 December 2025 (16:23-20:10 CET), our dashboard and public API experienced severe degradation affecting all customers."

• Jul 10, 2026, 12:24 UTC · Synthflow API may be degraded

  duration not stated · marked as no impact

  "Backend infrastructure changes can lead to degraded performance"

• Jul 10, 2026, 12:24 UTC · Synthflow API is down

  duration not stated · rated "Critical"

  "Synthflow API recovered."

• Jul 10, 2026, 12:24 UTC · Synthflow API is down

  duration not stated · rated "Critical"

  "Synthflow API recovered."

• Jul 10, 2026, 12:24 UTC · Synthflow API is down

  duration not stated · rated "Critical"

  "Synthflow API recovered."