{"uid":"cap_bL3t4PChYqtKuqP_QGvqe","slug":"x402-data-bazaar-vercel-app-98c6d809","name":"x402-data-bazaar Air Quality Index by ZIP Code","description":"Current air quality index (AQI) by US ZIP code -- PM2.5, ozone readings, category (Good/Moderate/Unhealthy), dominant pollutant, and outdoor-activity decision guidance. e.g. GET /api/air-quality/20002","url":"https://x402-data-bazaar.vercel.app/api/air-quality/20002?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"data":{"zip":"20002","decision":{"summary":"Air quality is Good (AQI 39). Outdoor activity is generally safe for most people.","riskLevel":"low","maskRecommended":false,"outdoorGuidance":"Proceed with normal outdoor plans."},"readings":[{"aqi":18,"category":"Good","parameter":"O3"},{"aqi":39,"category":"Good","parameter":"PM2.5"}],"overallAqi":39,"overallCategory":"Good","dominantPollutant":"PM2.5"},"source":"EPA AirNow API","success":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vDrVp4LT7P7lysq1-I-eX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current AQI readings (PM2.5, ozone), overall category, dominant pollutant, and outdoor-activity guidance for a US ZIP code","exampleAgentPrompt":"What's the air quality like right now in ZIP code 20002 — is it safe to go for a run outside, and should I be worried about PM2.5 or ozone?","exampleUseCases":null,"resultDescription":"Returns overall AQI score and category (e.g. Good/Moderate/Unhealthy), individual readings for PM2.5 and ozone each with their own AQI and category, the dominant pollutant, a risk level (low/moderate/high), whether a mask is recommended, and a plain-English outdoor activity guidance summary. Data is sourced from the EPA AirNow API.","failureModes":["Invalid or non-existent ZIP code returns an error or empty result","ZIP code not covered by AirNow monitoring stations may return no data","EPA AirNow API downtime may cause upstream failures","Only US ZIP codes are supported — international postal codes will fail"],"whenToPreferThis":"Use this endpoint when you need real-time, US-specific air quality data keyed to a ZIP code, especially when you need actionable outdoor-activity guidance alongside raw AQI numbers. Prefer this over generic weather APIs when PM2.5, ozone, or health-risk context is the primary concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:31:15.549Z","isFirstParty":false,"canonicalSlug":"x402-data-bazaar-vercel-app-98c6d809"}