{"entry":{"slug":"slack-web-api","name":"Slack Web API","category":"api","summary":"Post messages, read channels and manage a workspace programmatically.","description":"","auth_mode":"Bearer bot token","endpoint":"https://slack.com/api/chat.postMessage","docs_url":"https://api.slack.com/methods/chat.postMessage","tags":["chat","messaging"],"capabilities":["send a slack message","post to a channel","read channel history"],"auth_params":[{"name":"Authorization","location":"header","required":true}],"input_format":"application/json","output_format":"application/json","rate_limit":"1 msg/s per channel","pricing":"free","invocation_example":"curl -X POST https://slack.com/api/chat.postMessage -H \"Authorization: Bearer $SLACK_BOT_TOKEN\" -d '{\"channel\":\"#general\",\"text\":\"hi\"}'","verified":false,"verified_at":null,"featured":false,"checks_total":10,"checks_ok":10,"avg_latency_ms":262,"health_ok":true,"health_status_code":200,"health_checked_at":"2026-09-16T13:12:23.98+00:00","health_latency_ms":151,"probe_url":null}}