{"uid":"cap_v04Ee5Vwm6yXHa-5U_4ux","slug":"grains-to-stones-mass-converter-38827846","name":"Grains to Stones Mass Converter","description":"Convert grains to stones (mass). Pass ?value=N.","url":"https://agent402.tools/api/convert/grains-to-stones","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":["value"],"properties":{"value":{"type":"string","description":"Numeric value to convert"}}}},"additionalProperties":false}}},"responseSchema":null,"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":"down","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_M3_4TDj2QxwvC7_jdfVUF","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 numeric mass value from grains to stones via a simple GET request with a query parameter.","exampleAgentPrompt":"Convert 10000 grains to stones for me.","exampleUseCases":null,"resultDescription":"Returns the converted mass value expressed in stones, corresponding to the input number of grains provided via the query parameter.","failureModes":["Missing 'value' query parameter returns an error","Non-numeric value passed to ?value= causes a bad request response","Extremely large or small numbers may cause precision issues","Payment failure (402) if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need a straightforward, single-value conversion from grains to stones without setting up a local unit conversion library. Ideal for agents needing a quick, paid microservice call for mass unit conversion in the imperial/apothecary system.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:27:52.007Z","isFirstParty":false}