{"uid":"cap_IiMjgNeLm7XJyPDZkVQ48","slug":"polyform-earthquake-data-api-43f8d0e2","name":"Polyform Earthquake Data API","description":"Pay-per-call data endpoints for AI agents. USDC on Base via x402. No account, no API key — one micropayment per call.","url":"https://api.polyform.org/v1/geo/earthquakes?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":12,"query":"Los Angeles, CA","quakes":[],"seismicRisk":"MODERATE","maxMagnitude":4.2}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FhEUAlZmjkig37ngjEENg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns recent earthquake activity, seismic risk level, and max magnitude for a given US location query","exampleAgentPrompt":"What's the recent earthquake activity and seismic risk level near Los Angeles, CA?","exampleUseCases":[{"title":"Real estate seismic risk check","prompt":"Before I finalize buying this house in Northridge, CA, can you pull the recent earthquake data and seismic risk rating for that area?"},{"title":"Travel safety briefing","prompt":"I'm heading to Seattle next week — can you check what the seismic risk and recent earthquake activity looks like there?"},{"title":"Insurance underwriting data point","prompt":"I need the current seismic risk level and recent quake count near Salt Lake City, UT for a property risk assessment."}],"resultDescription":"Returns a JSON object with the location query string, total earthquake count, a seismic risk classification (e.g. LOW, MODERATE, HIGH, SEVERE), the maximum magnitude observed, and an array of individual quake records for the queried area.","failureModes":["Non-US or ambiguous location query may return no results or fail to resolve","Empty quakes array if no recent seismic activity detected in area","Malformed or missing query parameter returns a 400-level error","Payment failure or insufficient USDC balance returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a fast, pay-per-call seismic risk and earthquake activity summary for a US location without setting up an account or API key. Prefer it over free USGS APIs when you need a pre-summarized risk label and count rather than raw event data, and when your agent workflow uses x402 micropayments on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:46:21.323Z","isFirstParty":false,"canonicalSlug":"polyform-earthquake-data-api-43f8d0e2"}