{"uid":"cap_YtewCAdLxOqrXZo554Dxg","slug":"stone-to-metric-tonne-converter-d74e4e86","name":"Stone to Metric Tonne 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-metric-tonne?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":"metric-tonne","from":"stone","value":123.45,"converted":0.7839436930710001,"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_pfGRu_mtkQ79qOlKkwvk5","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 metric tonnes using IEEE-754 double precision arithmetic","exampleAgentPrompt":"Convert 123.45 stones to metric tonnes for me.","exampleUseCases":[{"title":"Body weight conversion for health records","prompt":"I need to convert a patient's weight of 14 stone into metric tonnes for our international health records system."},{"title":"Shipping cargo weight standardization","prompt":"We have a cargo listed as 500 stones — what is that in metric tonnes so I can fill out the international shipping manifest?"},{"title":"Historical data unit normalization","prompt":"I'm cleaning up an old dataset where mass is recorded in stones; can you convert 87.3 stones to metric tonnes so I can normalize it?"}],"resultDescription":"A JSON object containing the original value, the source unit ('stone'), the target unit ('metric-tonne'), the converted numeric result in metric tonnes computed with IEEE-754 double precision, and a 'dimension' label confirming mass.","failureModes":["Missing or non-numeric 'value' query parameter returns an error","Negative value rejected (minimum is 0)","Value exceeding 1e+100 rejected (maximum enforced by schema)","Payment not provided or invalid x402 payment header causes 402 response","Rate limit or free quota exhausted returns quota error"],"whenToPreferThis":"Use this endpoint when you need a quick, precise, on-demand stone-to-metric-tonne conversion via an API call, especially in automated pipelines or agent workflows that already use x402 micropayment infrastructure. Prefer it over manual calculation when audit trails or programmatic integration matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:42:13.943Z","isFirstParty":false,"canonicalSlug":"stone-to-metric-tonne-converter-d74e4e86"}