{"entry":{"slug":"mattermost-api","name":"Mattermost","category":"api","summary":"Self-hostable team chat with a full REST API for posts, channels and users.","description":"","auth_mode":"Bearer personal access token","endpoint":"https://<server>/api/v4/posts","docs_url":"https://api.mattermost.com/","tags":["chat","messaging"],"capabilities":["send chat message","team chat","post to channel"],"auth_params":[{"name":"Authorization","location":"header","required":true}],"input_format":"application/json","output_format":"application/json","rate_limit":"Server configured","pricing":"Free self-hosted edition","invocation_example":"","verified":false,"verified_at":null,"featured":false,"checks_total":1,"checks_ok":0,"avg_latency_ms":11,"reports_count":0,"health_ok":null,"health_status_code":null,"health_checked_at":"2026-09-22T10:26:44.841+00:00","health_latency_ms":null,"probe_url":null}}