Slack
Slack — free tier with API key
Slack exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.
We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗
On our probe schedule. Uptime charts appear after the first check lands.
GET https://api.slack.com/api/v1
{
"ok": false,
"error": "unknown_method",
"req_method": "v1"
}curl "https://api.slack.com/api/v1"const res = await fetch("https://api.slack.com/api/v1");
const data = await res.json();
console.log(data);import requests
res = requests.get("https://api.slack.com/api/v1")
print(res.json())/api/v1PROBEDSlack — free tier with API key
/apiApi — documented GET route.
/api/1Api details by ID (example: 1).
/api?limit=10Api — documented GET route.
/api/search?q=testSearch by query parameters.
/developer-programDeveloper Program — documented GET route.
We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.
Not tracked yet. Shape-change history starts once this API joins our probe schedule.
Slack: common questions
Is Slack free to use?
Yes — Slack is a free social & work API. Free tier: Free tier — API key required. Whether the free tier allows commercial use is unclear — check the provider docs.
Does Slack need an API key?
Yes — Slack needs a free API key, which you pass on each request. Rate limits: Unpublished.
Can I call Slack from the browser?
Yes — Slack returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.
Is Slack up right now?
Slack is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.