{"uid":"cap_8TmOR3eDSWUsPt4jzj5vd","slug":"saylor-innovations-shipment-carbon-estimator-a6f535a4","name":"Saylor Innovations Shipment Carbon Estimator","description":"Shipment carbon estimate from cargo mass, distance and mode (air, road, rail, sea) in kg CO2e","url":"https://saylorinnovations.com/api/shipping/carbon?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":["weight_kg","distance_km","mode"],"properties":{"mode":{"type":"string","description":"required one of air, road, rail, sea (query)"},"weight_kg":{"type":"string","description":"required finite cargo mass, 0.001-100000000 kg (query)"},"distance_km":{"type":"string","description":"required finite one-way distance, 0.1-1000000 km (query)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["weight_kg","distance_km","mode","estimated_kg_co2e","formula","scope_note"],"properties":{"mode":{"type":"string","description":"Mode used"},"factors":{"type":"object"},"formula":{"type":"string","description":"Formula used for the calculation"},"rounding":{"type":"string","description":"Rounding rule applied to the figures"},"tonne_km":{"type":"number","description":"Tonne, in kilometres"},"weight_kg":{"type":"number","description":"Weight in kilograms"},"scope_note":{"type":"string","description":"What this data covers and what it leaves out"},"distance_km":{"type":"number","description":"Distance in kilometres"},"source_note":{"type":"string","description":"Source note"},"estimated_g_co2e":{"type":"number","description":"Estimated g co2e"},"estimated_kg_co2e":{"type":"number","description":"Estimated kg co2e"},"emission_factor_kg_co2e_per_tonne_km":{"type":"number","description":"Emission factor kg co2e per tonne, in kilometres"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_PmRV3s40UrwL3KqjCLTqL","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":"Estimates the carbon footprint (kg CO2e) of a shipment given cargo mass, distance, and transport mode (air, road, rail, or sea)","exampleAgentPrompt":"Estimate the carbon footprint for shipping 2500 kg of cargo by sea over 8000 km — I need the result in kg CO2e with the formula and emission factor used.","exampleUseCases":[{"title":"E-commerce shipment carbon labeling","prompt":"Calculate the CO2e emissions for shipping a 12 kg package by air freight over 6500 km — I want to show the carbon footprint on our checkout page."},{"title":"Supply chain sustainability reporting","prompt":"We're shipping 50000 kg of goods by sea across 18000 km and 8000 kg by road for the last 200 km — can you estimate the kg CO2e for the sea leg so I can include it in our annual sustainability report?"},{"title":"Freight mode comparison for logistics planning","prompt":"I need to compare the carbon footprint of sending 3000 kg of freight 4500 km by air versus rail — estimate the CO2e for the rail option so I can weigh the trade-offs."}],"resultDescription":"A JSON object containing the input echo (weight_kg, distance_km, mode), computed tonne-km, the emission factor (kg CO2e per tonne-km), estimated CO2e in both grams and kilograms, the formula used for the calculation, a rounding rule note, a scope note explaining what is and isn't covered, and a source note citing the underlying emission factors.","failureModes":["Missing required query parameters (weight_kg, distance_km, or mode) returns an error","Invalid mode value (not one of air, road, rail, sea) returns a validation error","weight_kg or distance_km outside allowed ranges (weight <0.001 or >100,000,000 kg; distance <0.1 or >1,000,000 km) returns a range error","Non-numeric values for weight_kg or distance_km cause a parsing error","Payment not provided or insufficient (x402 protocol) results in a 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you need a quick, per-shipment carbon emission estimate based on standard emission factors for a known transport mode, weight, and distance. It is ideal for carbon labeling, sustainability reporting, or logistics mode comparison where a science-based formula and source citation are needed. It is not suited for multi-leg journey aggregation in a single call, real-time carrier-specific tracking data, or scope 1/2/3 full lifecycle analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:08:45.843Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-shipment-carbon-estimator-a6f535a4"}