Outage in Checkly

Slack Alerts Degradation

Resolved Minor
February 26, 2025 - Started 11 months ago - Lasted about 14 hours
Official incident page

Incident Report

We are experiencing intermittent failures in delivering alerts via Slack due to an upstream issue at Slack https://slack-status.com/. Some notifications may not be delivered. We are monitoring the situation and will provide updates as needed.
Components affected
Checkly Alerting

Need to monitor Checkly outages?

One place to monitor all your cloud vendors.
Get instant alerts when an outage is detected.

Start Monitoring Checkly
Latest Updates ( sorted recent to last )
RESOLVED 11 months ago - at 02/27/2025 06:24AM

This incident has been resolved.

MONITORING 11 months ago - at 02/26/2025 09:04PM

A fix has been applied upstream by Slack, and we are no longer seeing failed alert deliveries. We will continue to monitor the situation.

INVESTIGATING 11 months ago - at 02/26/2025 04:51PM

We are experiencing intermittent failures in delivering alerts via Slack due to an upstream issue at Slack https://slack-status.com/. Some notifications may not be delivered. We are monitoring the situation and will provide updates as needed.

Latest Checkly outages

Test sessions taking long - 3 months ago
Region ap-northeast-3 down - 3 months ago
Increase of error rate and API response time - 3 months ago
eu-north-1 Stockholm check run issues - 4 months ago
OpsGenie alert notification degraded - 4 months ago

The Status Page Aggregator with Early Outage Detection

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 5350 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook