{"uid":"cap_jTS2xCdJ0uv6knnSHqvDn","slug":"synthora-us-severe-weather-alerts-455164f5","name":"SYNTHORA US Severe Weather Alerts","description":"Returns active National Weather Service severe-weather alerts (tornado, flood, hurricane, winter storm) as GeoJSON for any US state or area code, keyless with a User-Agent. Autonomous safety, logistics, insurance and travel agents consume it for A2A hazard monitoring and agent-to-agent emergency routing. Ranking surface: weather alerts API, NWS alerts, severe weather, tornado warning, US hazard feed. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.","url":"https://nws-severe-weather-alerts.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"area":{"type":"string","description":"area"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"nws-severe-weather-alerts","result":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rUaPqVfRyjGIAXVMm_-aU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns active National Weather Service severe-weather alerts (tornado, flood, hurricane, winter storm) as GeoJSON for any US state or area code","exampleAgentPrompt":"Pull the active NWS severe weather alerts for Texas right now — I need to know about any tornado, flood, or winter storm warnings currently in effect.","exampleUseCases":[{"title":"Logistics route hazard monitoring","prompt":"Check for any active severe weather alerts — tornado warnings, flood advisories, or winter storms — along our delivery corridor through Oklahoma and Kansas so we can reroute trucks if needed."},{"title":"Travel safety check before departure","prompt":"Are there any active NWS severe weather alerts for Florida right now? I'm flying into Miami tonight and want to know about hurricanes, floods, or any other hazard warnings in the area."},{"title":"Insurance risk assessment for active claims","prompt":"Pull the current severe weather alerts for Louisiana — tornado watches, flood warnings, hurricane advisories — so I can flag which policyholders are in active hazard zones."}],"resultDescription":"A JSON response containing an 'ok' boolean and a 'result' object with GeoJSON-formatted active NWS severe weather alerts for the requested US state or area, including alert type (tornado, flood, hurricane, winter storm), severity, affected geometry, and alert metadata such as status and effective time ranges.","failureModes":["Invalid or unrecognized area code returns an empty result set or error","NWS upstream outage may result in stale or missing alert data","Malformed POST body missing the 'area' field may return a 400-level error","No active alerts for the requested area returns an empty GeoJSON feature collection","Rate limiting or payment failure (x402) may block the request"],"whenToPreferThis":"Choose this endpoint when you need real-time, authoritative US severe weather hazard data sourced directly from the National Weather Service, particularly for autonomous safety monitoring, logistics rerouting, insurance risk scoring, or travel safety checks. It is keyless (only requires a User-Agent) and priced per call via x402 micropayment, making it ideal for high-frequency agent polling loops or event-driven A2A emergency routing workflows. Prefer this over generic weather forecast APIs when the specific need is official NWS alert status rather than forecast data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T04:06:51.847Z","isFirstParty":false}