{"uid":"cap_fKv6s1finLhF8G8jlHBj5","slug":"polyform-weather-alerts-b670f77e","name":"Polyform Weather Alerts","description":"Active watches/warnings/advisories for a US state or coordinate: event type, severity, headline, timing. Source: National Weather Service. JSON.","url":"https://api.polyform.org/v1/weather/alerts?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":1,"alerts":[{"event":"Severe Thunderstorm Warning","expires":"…","headline":"…","severity":"Severe"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wVB-CxgORh5Ah2xpNmbfE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns active NWS watches, warnings, and advisories for a US state or coordinate, including event type, severity, headline, and timing.","exampleAgentPrompt":"Are there any active weather watches, warnings, or advisories right now for Florida — pull the NWS alerts with their severity and headline so I know what's in effect.","exampleUseCases":[{"title":"Tornado warning check before travel","prompt":"Before I drive through Oklahoma today, can you check if there are any active tornado or severe thunderstorm warnings along the route — specifically for the Oklahoma City area around 35.47, -97.52?"},{"title":"Emergency alert monitor for field crews","prompt":"We have crews working in Harris County, Texas — are there any active NWS weather warnings or advisories right now that could affect safety? Pull the current alerts for that area near 29.76, -95.37."},{"title":"Event planning weather safety check","prompt":"I'm hosting an outdoor event in North Carolina this weekend — can you check whether there are any active weather watches or warnings in effect for the state so I can decide if we need a contingency plan?"}],"resultDescription":"A JSON object containing a count of active alerts and an array of alert objects, each with event type (e.g. 'Severe Thunderstorm Warning'), severity level, a human-readable headline, and expiration time. Sourced live from the National Weather Service.","failureModes":["Missing or invalid state/coordinate input returns an error","No active alerts returns count:0 with an empty alerts array","Invalid coordinate outside the US may return no results or an error","API unavailability or NWS data outage could cause timeout or 5xx response","Malformed query parameters may result in a 400 bad request"],"whenToPreferThis":"Choose this endpoint when you need real-time official US weather alert data (watches, warnings, advisories) from the National Weather Service for a specific state or coordinate, without needing a full forecast. It is ideal for safety checks, automated monitoring, or triggering alerts in workflows. Prefer it over a general forecast endpoint when the user's concern is hazard-level official alerts rather than routine weather conditions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T00:45:12.240Z","isFirstParty":false,"canonicalSlug":"polyform-weather-alerts-b670f77e"}