{"uid":"cap_A4mcgIYWji3NhJc-YHI2t","slug":"primeapi-geo-isoline-f1ed712d","name":"PrimeAPI Geo Isoline","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://prime-api-seven.vercel.app/api/geo/isoline","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.063111","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":"$0.063111/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.063111","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.063111","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BcbU0FFvVVvnrOxEY43nT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.063111","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates isoline (isochrone/isodistance) contours around a geographic point based on travel time or distance","exampleAgentPrompt":"Generate an isochrone contour showing the area I can reach within 30 minutes by car from downtown Chicago — give me the polygon boundary as GeoJSON.","exampleUseCases":null,"resultDescription":"Returns a geographic polygon or set of contour lines (likely GeoJSON) representing the boundary of the area reachable from the origin point within the specified travel time or distance threshold, using the chosen transport mode.","failureModes":["Invalid or unrecognized location input returns an error","Unsupported transport mode causes computation failure","Overly large time/distance thresholds may time out or return oversimplified polygons","Malformed query string returns a 400 bad request","Service unavailability returns 503 or 402 payment-required if USDC payment fails"],"whenToPreferThis":"Use this endpoint when you need to compute geographic reachability contours (isolines, isochrones, or isodistance polygons) around a point — for logistics zone planning, delivery area mapping, real estate search radius, or travel time analysis. Prefer this over simple radius/circle APIs when you need road-network-aware or transit-aware reachability polygons.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:55:56.946Z","isFirstParty":false}