{"uid":"cap_5gWF34mKs96WxTPvZmiX_","slug":"signaldesk-ai-stone-to-kilogram-converter-6b7da111","name":"SignalDesk AI Stone to Kilogram 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-kilogram?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":"kilogram","from":"stone","value":123.45,"converted":783.9436930710001,"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_QAN8hY6uHPwKb1jnRgG0I","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 stones to kilograms using IEEE-754 double precision arithmetic","exampleAgentPrompt":"Convert 13.5 stones to kilograms for me.","exampleUseCases":[{"title":"Personal weight tracking in metric","prompt":"I weigh 11 stone 4 — can you convert that to kilograms so I can log it in my fitness app?"},{"title":"Fitness app unit normalisation","prompt":"A user entered their body weight as 14 stone — convert that to kilograms so I can store it in metric format."},{"title":"Shipping weight compliance check","prompt":"A parcel is listed as 2.5 stone — what is that in kilograms so I can check it against the courier's weight limit?"}],"resultDescription":"Returns a JSON object with the original value in stones, the converted value in kilograms (IEEE-754 double precision), dimension label ('mass'), and source/target unit labels ('stone' → 'kilogram').","failureModes":["Missing or non-numeric 'value' query parameter returns a validation error","Negative values are rejected (minimum: 0)","Values exceeding 1e+100 are rejected by schema validation","Payment not provided or insufficient USDC results in 402 Payment Required","Network timeout on the Cloudflare Workers edge"],"whenToPreferThis":"Use this endpoint when you need a quick, precise stone-to-kilogram conversion via a paid micropayment API — suitable for agents that handle UK/Irish weight conventions and need IEEE-754 double precision results with explicit dimension metadata, without building local conversion logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:42:05.856Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-stone-to-kilogram-converter-6b7da111"}