{"uid":"cap_dSRA7xdoVhmDElU22HvKE","slug":"usgs-asce-7-seismic-design-values-api-2b71025b","name":"USGS ASCE 7 Seismic Design Values API","description":"USGS ASCE 7 seismic design values for a US point: Ss, S1, SDS, SD1, seismic design category, and PGA, for a US address or coordinates. Optional reference document, risk category, and site class.","url":"https://api.agentstools.dev/hazard/seismic?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"lat":{"type":"number","description":"Latitude [-90,90] (with lon)"},"lon":{"type":"number","description":"Longitude [-180,180] (with lat)"},"address":{"type":"string","description":"US street address (auto-geocoded)"},"ref_doc":{"enum":["asce7-22","asce7-16","asce7-10"],"type":"string","description":"ASCE 7 reference document (default asce7-22)"},"site_class":{"enum":["A","B","C","D","E","default"],"type":"string","description":"Soil site class (default D)"},"risk_category":{"enum":["I","II","III","IV"],"type":"string","description":"Occupancy risk category (default II)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":{"p10Cents":"0.5000","medianCents":"0.5000","p90Cents":"0.5000","minCents":"0.5000","maxCents":"0.5000","p95Cents":"0.5000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QeKzIhjIrY3HeRNPX2nMP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns USGS ASCE 7 seismic design parameters (Ss, S1, SDS, SD1, PGA, seismic design category) for a US location by address or coordinates","exampleAgentPrompt":"Can you pull the ASCE 7-22 seismic design values — Ss, S1, SDS, SD1, PGA, and seismic design category — for 1600 Amphitheatre Parkway, Mountain View, CA, assuming site class D and risk category II?","exampleUseCases":[{"title":"Building code compliance check","prompt":"I need to verify our new office building in Seattle meets current seismic code requirements. Can you get me the ASCE 7-22 design values and seismic category for 1201 3rd Avenue, Seattle, WA using site class C?"},{"title":"Retrofit project seismic assessment","prompt":"We're retrofitting a hospital in Los Angeles and need the latest ASCE 7 parameters for risk category IV. Pull the Ss, S1, SDS, SD1, and PGA values for 900 Olive View Drive, Los Angeles, CA, assuming site class D foundation conditions."},{"title":"Multi-site structural analysis","prompt":"Our firm is designing a data center campus across three locations. Can you get the ASCE 7-22 seismic design category and spectral acceleration values for these coordinates — I need Ss, S1, and SDS for each: 37.7749, -122.4194 in San Francisco; 34.0522, -118.2437 in Los Angeles; and 32.7157, -117.1611 in San Diego, all assuming site class B?"}],"resultDescription":"Returns USGS ASCE 7 seismic parameters for the queried US location: short-period spectral acceleration (Ss), 1-second spectral acceleration (S1), design spectral accelerations (SDS, SD1), peak ground acceleration (PGA), and the seismic design category — all derived from the specified ASCE 7 reference document version, site class, and risk category.","failureModes":["Address outside the US or not geocodable returns an error","Invalid or out-of-range latitude/longitude values return a validation error","Neither address nor lat/lon provided causes a missing required parameter error","Unsupported ASCE 7 reference document version returns an enum validation error","Invalid site class or risk category enum value returns a bad request error","Network or upstream USGS data source unavailability causes a 5xx error"],"whenToPreferThis":"Use this endpoint when you need official USGS-sourced ASCE 7 seismic design parameters for structural engineering, building code compliance, or hazard assessment at a specific US location. It is the right choice when you need specific values like Ss, S1, SDS, SD1, PGA, or seismic design category as required by ASCE 7-10, 7-16, or 7-22 standards. Prefer this over general seismic hazard APIs when you need code-ready design values with support for site class and risk category adjustments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:40:42.055Z","isFirstParty":false,"canonicalSlug":"usgs-asce-7-seismic-design-values-api-2b71025b"}