Tessl Outage History

Tessl is up right now

Tessl had 3 outages in the last 2 years totaling 10h 12m of downtime, averaging 0.1 incidents per month.

There were 3 Tessl outages since August 17, 2026 totaling 10h 12m of downtime. Each is summarised below. Incident details, duration, and resolution information.

Source: tesslstatus.io

Minor October 1, 2026

Tessl service unavailable

Detected by Pingoru
Oct 01, 2026, 03:37 PM UTC
Resolved
Oct 01, 2026, 04:49 PM UTC
Duration
1h 11m
Affected: WebsiteCLIAPI
Timeline · 3 updates
  1. investigating Oct 01, 2026, 03:37 PM UTC

    Status: Investigating We're currently experiencing an outage. Our team is actively investigating and we'll post updates here as we learn more. Affected components Website (Full outage) CLI (Full outage) API (Full outage)

  2. monitoring Oct 01, 2026, 03:48 PM UTC

    Status: Monitoring We identified a database issue that was causing service unavailability and have applied a fix. Services have recovered and we're monitoring to confirm stability. Affected components Website (Operational) CLI (Operational) API (Operational)

  3. resolved Oct 01, 2026, 04:49 PM UTC

    Status: Resolved This incident has been resolved. A change made during a deployment caused Tessl services to become unavailable between 15:16 and 15:43 UTC. Services have now fully recovered. We'll be reviewing the cause to prevent recurrence. Affected components Website (Operational) CLI (Operational) API (Operational)

Read the full incident report →

Minor August 17, 2026

Some Tessl services may be down due to a third-party outage

Detected by Pingoru
Aug 17, 2026, 02:56 PM UTC
Resolved
Aug 17, 2026, 09:23 PM UTC
Duration
6h 26m
Affected: WebsiteCLI
Timeline · 2 updates
  1. investigating Aug 17, 2026, 02:56 PM UTC

    Status: Investigating • GitHub App connection and repository inventory/import may be affected. • Tessl Code Review, GitHub auth/token setup, and other commands using the GitHub API may fail. Affected components Website (Degraded performance) CLI (Degraded performance)

  2. resolved Aug 17, 2026, 09:23 PM UTC

    Status: Resolved All systems are now back to normal after the third party outage was resolved. Affected components Website (Operational) CLI (Operational)

Read the full incident report →

Minor August 17, 2026

Issue with Evals using DeepSeek

Detected by Pingoru
Aug 17, 2026, 01:05 PM UTC
Resolved
Aug 17, 2026, 03:39 PM UTC
Duration
2h 34m
Affected: API
Timeline · 3 updates
  1. identified Aug 17, 2026, 01:05 PM UTC

    Status: Identified Evals using our default model (DeepSeek) are currently not completing. Affected components API (Partial outage)

  2. monitoring Aug 17, 2026, 02:42 PM UTC

    Status: Monitoring We have deployed a fix and are monitoring now Affected components API (Partial outage)

  3. resolved Aug 17, 2026, 03:39 PM UTC

    Status: Resolved The incident has been resolved Affected components API (Operational)

Read the full incident report →