{"uid":"cap_usPCS3Hdrx1cMNLPiK22m","slug":"gocreative-distance-calculator-haversine-63b88c65","name":"GoCreative Distance Calculator (Haversine)","description":"Keyless, pay-per-call compliance & regulated-data API for AI agents — OFAC wallet + sanctions/PEP + KYB screening, SEC filings, FRED economics, FDA recalls, federal awards, plus continuous monitoring. USDC on Base/Solana via x402, native MCP. No API key, no signup.","url":"https://api.gocreativeai.com/v1/calc/distance/%7Barg%7D","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"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"endpoint argument"}}}},"additionalProperties":false}}},"responseSchema":null,"example":{"request":{"arg":"40.7128,-74.0060,51.5074,-0.1278"},"response":{"km":5570.23,"to":[51.5074,-0.1278],"from":[40.7128,-74.006],"miles":3461.179,"source":"haversine"}},"exampleRequest":{"arg":"40.7128,-74.0060,51.5074,-0.1278"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3jugbgfixhPn3f8p7mLIB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the great-circle distance between two geographic coordinates using the Haversine formula, returning results in both kilometers and miles.","exampleAgentPrompt":"What's the straight-line distance between New York City (40.7128, -74.0060) and London (51.5074, -0.1278) in both kilometers and miles?","exampleUseCases":null,"resultDescription":"Returns a JSON object with the great-circle distance in kilometers and miles, the origin and destination coordinate arrays, and the calculation method used (haversine). Example: {km: 5570.23, miles: 3461.179, from: [40.7128, -74.006], to: [51.5074, -0.1278], source: 'haversine'}.","failureModes":["Invalid coordinate format — coordinates must be provided as 'lat1,lon1,lat2,lon2' in the path argument","Out-of-range coordinate values (latitude outside -90 to 90, longitude outside -180 to 180)","Missing or malformed input query parameter resulting in 400 error","Payment failure via x402 if USDC balance insufficient"],"whenToPreferThis":"Use this endpoint when you need a quick, accurate great-circle (as-the-crow-flies) distance between two lat/lon coordinate pairs and want a simple numeric result in both km and miles without needing routing or road-based distance. Ideal for geospatial calculations in agent workflows where no API key setup is desired and pay-per-call USDC micropayment via x402 is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-08T19:12:48.219Z","isFirstParty":false}