{"entry":{"slug":"stackexchange-api","name":"Stack Exchange API","category":"api","summary":"Search questions and answers across Stack Overflow and 170+ sites.","description":"Anonymous access works without a key at a lower quota; a free key raises it.","auth_mode":"none (optional key)","endpoint":"https://api.stackexchange.com/2.3","docs_url":"https://api.stackexchange.com/docs","tags":["devtools","search","qa"],"capabilities":["search_questions","fetch_answers","site_list"],"auth_params":[],"input_format":"query params","output_format":"json","rate_limit":"300 req/day anonymous","pricing":"free","invocation_example":"curl -s \"https://api.stackexchange.com/2.3/search/advanced?q=model+context+protocol&site=stackoverflow&pagesize=1\" --compressed | head -c 300","verified":false,"verified_at":null,"featured":false,"checks_total":59,"checks_ok":59,"avg_latency_ms":156,"reports_count":0,"health_ok":true,"health_status_code":400,"health_checked_at":"2026-11-01T23:17:20.643+00:00","health_latency_ms":149,"probe_url":null},"watch":{"hint":"Follow \"stackexchange-api\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"stackexchange-api\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}