{"entry":{"slug":"checkly-api","name":"Checkly API","category":"api","summary":"Run and manage browser tests and synthetic API monitors from an agent, with results, locations and runtimes exposed over REST.","description":"Checkly runs Playwright-based browser checks and API checks from 20+ locations and exposes everything over a REST API: create checks, trigger runs, read results, list runtimes and locations. The runtimes and locations endpoints answer without a key, the rest needs a personal API key plus account id headers. Useful for agents that need a second, independent browser-testing interface next to Playwright MCP and Browserless.","auth_mode":"api_key","endpoint":"https://api.checklyhq.com/v1/runtimes","docs_url":"https://developers.checklyhq.com/reference/getv1runtimes","tags":["test","testing","browser","monitoring","automation","playwright"],"capabilities":["run a browser test","run an api check","read test results","list check runtimes","synthetic monitoring"],"auth_params":[],"input_format":"HTTP GET/POST with JSON body; Authorization: Bearer <api key> and X-Checkly-Account headers for account scoped routes","output_format":"JSON","rate_limit":"Documented at 1200 requests per minute per account; public reference routes (runtimes, locations) are unauthenticated but should not be polled aggressively.","pricing":"Free tier with 10k check runs per month, paid plans above.","invocation_example":"curl -s https://api.checklyhq.com/v1/runtimes","verified":false,"verified_at":null,"featured":false,"checks_total":59,"checks_ok":59,"avg_latency_ms":595,"reports_count":0,"health_ok":true,"health_status_code":200,"health_checked_at":"2026-11-04T20:17:10.989+00:00","health_latency_ms":1155,"probe_url":"https://developers.checklyhq.com/"},"watch":{"hint":"Follow \"checkly-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\":\"checkly-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."}}