{"uid":"cap_Pql0s4rGSnth7DtipKtOu","slug":"signaldesk-ai-stone-to-long-ton-mass-converter-2fd5344d","name":"SignalDesk AI – Stone to Long Ton Mass Converter","description":"Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.","url":"https://x402-agent.kariguetoazul.workers.dev/api/units/mass/stone-to-long-ton?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["value"],"properties":{"value":{"type":"number","maximum":1e+100,"minimum":0,"description":"Amount in stones."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"to":"long-ton","from":"stone","value":123.45,"converted":0.7715625000000002,"dimension":"mass","precision":"IEEE-754 double"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XvFZ6Uart31d3tdP8m4L7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a mass value in stones to long tons using IEEE-754 double-precision arithmetic","exampleAgentPrompt":"Convert 85 stones to long tons for me.","exampleUseCases":[{"title":"Shipping weight compliance check","prompt":"I need to know how many long tons 200 stones works out to — it's for a freight weight limit calculation."},{"title":"Historical archive weight translation","prompt":"An old UK inventory record lists a load as 450 stones — can you convert that to long tons so I can compare it with modern tonnage figures?"},{"title":"Livestock or agricultural weight conversion","prompt":"A farm record shows cattle weight as 18 stones per head across 30 animals, and I need the total in long tons — can you work that out?"}],"resultDescription":"A JSON object containing the original value and unit (stone), the converted value in long tons computed via IEEE-754 double-precision floating point, the target unit label, and the dimension category (mass).","failureModes":["Missing or non-numeric 'value' query parameter returns a validation error","Negative value (below minimum of 0) rejected by schema validation","Extremely large values near 1e+100 may trigger range issues","Payment failure or insufficient USDC balance returns HTTP 402","Cloudflare Worker cold-start or quota exhaustion may return 5xx"],"whenToPreferThis":"Use this endpoint when you need a fast, deterministic, pay-per-call conversion from stones to long tons without setting up a local unit-conversion library. Ideal for agents operating in contexts involving UK imperial mass units, historical records, shipping, or agricultural data where stone and long-ton are the native units.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:51.196Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-stone-to-long-ton-mass-converter-2fd5344d"}