{"entry":{"slug":"attestwire-api","name":"Attestwire","category":"api","summary":"Validate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS.","description":"","auth_mode":"API key","endpoint":"https://api.attestwire.com/docs","docs_url":"https://api.attestwire.com/docs","tags":["validation","data"],"capabilities":["data validation","input validation","validate","invoices","xrechnung","zugferd","factur","peppol"],"auth_params":[{"name":"Authorization","location":"header","required":true}],"input_format":"application/json","output_format":"application/json","rate_limit":"Provider defined","pricing":"Free or free tier","invocation_example":"","verified":false,"verified_at":null,"featured":false,"checks_total":54,"checks_ok":54,"avg_latency_ms":130,"reports_count":0,"health_ok":true,"health_status_code":200,"health_checked_at":"2026-11-05T22:17:07.025+00:00","health_latency_ms":137,"probe_url":null},"watch":{"hint":"Follow \"attestwire-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\":\"attestwire-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."}}