{"entry":{"slug":"uk-companies-house-api","name":"UK Companies House","category":"api","summary":"Official UK register: company profiles, officers and filing history.","description":"","auth_mode":"HTTP Basic (api key as username)","endpoint":"https://api.company-information.service.gov.uk/search/companies","docs_url":"https://developer-specs.company-information.service.gov.uk/","tags":["company","open-data"],"capabilities":["look up company","company officers","filing history"],"auth_params":[{"name":"Authorization","location":"header","required":true}],"input_format":"Query parameters","output_format":"application/json","rate_limit":"600 requests / 5 min","pricing":"Free","invocation_example":"","verified":false,"verified_at":null,"featured":false,"checks_total":59,"checks_ok":59,"avg_latency_ms":21,"reports_count":0,"health_ok":true,"health_status_code":401,"health_checked_at":"2026-11-06T14:17:32.092+00:00","health_latency_ms":22,"probe_url":null},"watch":{"hint":"Follow \"uk-companies-house-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\":\"uk-companies-house-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."}}