{"uid":"cap_Feu12tuT9GKkf9Hv3t1fe","slug":"land-survey-polygon-area-perimeter-calculator-e4b7b233","name":"Land Survey Polygon Area & Perimeter Calculator","description":"Area in acres, hectares and square meters and perimeter of a polygon from lat,lon vertices, e.g. a parcel or flight area.","url":"https://land-survey.x402tookit.com/polygon-area?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","required":["points"],"properties":{"points":{"type":"string","description":"Vertices as lat,lon pairs separated by semicolons, 3 to 40 points"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"acres":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"hectares":{"type":["null","number"]},"vertices":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"squareFeet":{"type":["null","number"]},"squareMeters":{"type":["null","number"]},"perimeterFeet":{"type":["null","number"]},"perimeterMeters":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Fz791LRXfHu1GlYXSYNCg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the area (in acres, hectares, and square meters) and perimeter (in feet and meters) of a polygon defined by latitude/longitude vertices.","exampleAgentPrompt":"What's the area in acres and hectares of a parcel with these corners: 37.7749,-122.4194; 37.7759,-122.4184; 37.7749,-122.4174; 37.7739,-122.4184? Also give me the perimeter in feet.","exampleUseCases":[{"title":"Real estate parcel size check","prompt":"I need to know the area of a land parcel in acres and square meters — the boundary corners are 40.7128,-74.0060; 40.7138,-74.0050; 40.7128,-74.0040; 40.7118,-74.0050. Can you also give me the perimeter in feet?"},{"title":"Drone flight area planning","prompt":"Calculate the area in acres and hectares for my planned drone flight zone — the polygon vertices are 35.6895,139.6917; 35.6905,139.6927; 35.6915,139.6917; 35.6905,139.6907. I also need the perimeter in meters."},{"title":"Agricultural field acreage estimate","prompt":"How many acres and hectares is the field with these GPS boundary points: 41.8781,-87.6298; 41.8791,-87.6288; 41.8801,-87.6298; 41.8791,-87.6308? Include the perimeter in feet too."}],"resultDescription":"Returns the polygon's area expressed in acres, hectares, square meters, and square feet, along with the perimeter in both feet and meters, the number of vertices used, and optional summary/disclaimer text. May include a degraded flag if data quality is reduced.","failureModes":["Fewer than 3 vertices provided — polygon cannot be computed","More than 40 vertices provided — exceeds limit","Malformed coordinate string (wrong separator or missing values)","Non-numeric or out-of-range lat/lon values","Payment failure for the $0.02 USDC x402 charge"],"whenToPreferThis":"Use this endpoint when you need fast, accurate geodetic area and perimeter calculations for arbitrary polygons defined by lat/lon points — ideal for land parcel screening, drone flight planning, agricultural field sizing, or any geospatial workflow where you have boundary coordinates and need area in multiple units (acres, hectares, sq meters) plus perimeter without setting up local GIS tooling.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:08:06.743Z","isFirstParty":false,"canonicalSlug":"land-survey-polygon-area-perimeter-calculator-e4b7b233"}