isdown.sh — is it down, or is it just me?

  Check any website by its domain. For the well-known services
  below it also reads their official status page.

  curl isdown.sh/example.com        any website: is it answering right now?
  curl isdown.sh/github             a known service, with its status page
  curl isdown.sh/github,openai      several at once
  curl isdown.sh/github.json        JSON for scripts
  curl isdown.sh/github.txt         no colors

  HTTP status is 200 when all is well and 503 when something is not:
  curl -sf isdown.sh/github >/dev/null || echo "GitHub has problems"

  Known services
    1password  aws  azure  bitbucket  circleci  claude  cloudflare
    confluence  cursor  datadog  digitalocean  discord  docker  dropbox
    epicgames  figma  flyio  gcp  github  gitlab  google  groq  heroku  jira
    linear  mongodb  netlify  ngrok  notion  npm  openai  perplexity  pypi
    reddit  render  rubygems  sentry  shopify  slack  stripe  supabase
    tailscale  twilio  twitch  vercel  zoom