{"uid":"cap_spFow6OY93hVr7SorMOES","slug":"grains-to-milligrams-mass-converter-dc7544f1","name":"Grains to Milligrams Mass Converter","description":"Convert grains to milligrams (mass). Pass ?value=N.","url":"https://agent402.tools/api/convert/grains-to-milligrams","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_1aztZCfK0GzzYfa4OZLmh","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 milligrams via a simple GET request.","exampleAgentPrompt":"Can you convert 7.5 grains to milligrams for me?","exampleUseCases":null,"resultDescription":"Returns the converted mass value expressed in milligrams corresponding to the input grain value.","failureModes":["Missing 'value' query parameter returns an error or bad request","Non-numeric value parameter causes a parse or validation error","Negative or zero values may return an error depending on server validation","Network timeout or server unavailability returns a 5xx error","Payment failure via x402 protocol returns a 402 Payment Required response"],"whenToPreferThis":"Use this endpoint when you need a quick, programmatic conversion from grains (a unit used in pharmacy, ballistics, and gemology) to milligrams, especially within an automated agent workflow that already handles x402 micropayments. Prefer this over manual calculation or general-purpose math tools when you need a reliable, API-driven unit conversion in a pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T14:26:00.488Z","isFirstParty":false}