{"uid":"cap_9lcgjIDQQICSvnVCmAW74","slug":"freightgate-demurrage-detention-calculator-36227f07","name":"FreightGate Demurrage & Detention Calculator","description":"Calculate demurrage & detention costs for a shipping line, country, container type, and number of days. Returns slab breakdown with free days, per-diem rates, and total cost.","url":"https://api.shippingrates.org/api/dd/calculate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"days":{"type":"number","maximum":365,"minimum":1,"description":"Number of detention days (1-365)"},"line":{"enum":["maersk","msc","cma-cgm","hapag-lloyd","one","cosco","zim"],"type":"string","description":"Shipping line slug: maersk, msc, cma-cgm, hapag-lloyd, one, cosco, zim"},"country":{"type":"string","description":"ISO 2-letter country code (e.g. IN, AE, SG, CN, MY, LK, PK, BD, TH)"},"container_type":{"enum":["20DV","40DV","40HC","20RF","40RF","20OT","40OT","20FR","40FR"],"type":"string","description":"Container type: 20DV, 40DV, 40HC, 20RF, 40RF, 20OT, 40OT, 20FR, 40FR"}}},"responseSchema":{"type":"json","example":{"days":14,"line":"maersk","slabs":[{"to":7,"cost":22.5,"days":3,"from":5,"rate_per_day":7.5},{"to":14,"cost":105,"days":7,"from":8,"rate_per_day":15}],"country":"IN","currency":"USD","free_days":4,"total_cost":127.5,"container_type":"40HC"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_p1xEttbZK1-ZodDvUIZQL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates demurrage and detention costs for a specific shipping line, country, container type, and number of days, returning a slab-by-slab cost breakdown with free days and per-diem rates.","exampleAgentPrompt":"What are the demurrage and detention costs for a 40HC container on Maersk in India if it's held for 14 days — show me the full slab breakdown with free days and per-diem rates?","exampleUseCases":null,"resultDescription":"A JSON object containing the shipping line, country, container type, number of days, the number of free days included, a list of cost slabs (each with from/to day range, rate per day, days in slab, and cost), the currency (USD), and the total cost across all chargeable days.","failureModes":["Unsupported shipping line slug returns validation error","Country code not covered by the dataset returns empty or error response","Container type not in supported enum returns 400 bad request","Days value outside 1–365 range is rejected","Missing required fields returns schema validation error","Payment failure (x402 USDC) blocks request from being processed"],"whenToPreferThis":"Use this endpoint when you need a precise, slab-by-slab demurrage and detention cost calculation for a specific shipping line in a specific country, rather than a cross-line comparison. Ideal for logistics agents, freight forwarders, or importers who know their shipping line and need an exact liability estimate before container return.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:33:08.259Z","isFirstParty":false,"canonicalSlug":"freightgate-demurrage-detention-calculator-36227f07"}