{"uid":"cap_I5Jv0gUd27tyc1utvwjBA","slug":"long-ton-to-stone-mass-converter-ea9b862d","name":"Long Ton to Stone 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/long-ton-to-stone?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 imperial long tons."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"to":"stone","from":"long-ton","value":123.45,"converted":19752,"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_dkm6_nkYpDRbGnAy7glbj","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 from imperial long tons to stones using IEEE-754 double-precision arithmetic","exampleAgentPrompt":"Convert 3.75 long tons to stones for me.","exampleUseCases":[{"title":"Shipping freight weight reconciliation","prompt":"I have a cargo shipment listed as 12.5 long tons — what is that in stones?"},{"title":"Historical UK weight record lookup","prompt":"A Victorian-era record lists a load as 0.85 long tons; can you tell me what that is in stones so I can compare it to modern measurements?"},{"title":"Engineering spec unit normalisation","prompt":"Our supplier sent a material spec showing 47 long tons — I need that converted to stones for our British engineering report."}],"resultDescription":"A JSON object containing the original value and unit ('long-ton'), the converted numeric result in stones ('converted'), the target unit name ('stone'), the dimension ('mass'), and the precision level ('IEEE-754 double').","failureModes":["Missing or non-numeric 'value' query parameter returns a validation error","Negative values or values exceeding 1e+100 are rejected by schema validation","Non-GET HTTP methods are rejected","Payment not provided or insufficient USDC balance results in HTTP 402 response","Extremely large numbers may produce floating-point rounding artifacts inherent to IEEE-754 double precision"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic, pay-per-call conversion from imperial long tons to stones with well-defined IEEE-754 precision guarantees and no setup required. Ideal for agents that occasionally need this specific unit pair without embedding a full unit-conversion library.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:51.973Z","isFirstParty":false,"canonicalSlug":"long-ton-to-stone-mass-converter-ea9b862d"}