{"uid":"cap_nk4DW8sxVTm-DrGbri6WX","slug":"apexapi-weight-converter-a939e94f","name":"ApexAPI Weight Converter","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/tools/convert/weight?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.07817","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":"$0.07817/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.07817","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.07817","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_T3a4d6qhptpvRTLXlINJ3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.07817","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts weight values between different units of measurement (e.g. kg, lbs, oz, grams, stones)","exampleAgentPrompt":"Convert 185 pounds to kilograms for me.","exampleUseCases":null,"resultDescription":"Returns the converted weight value in the target unit, along with the original input value and units, as a JSON object.","failureModes":["Invalid or unrecognized unit names return an error response","Missing value or query string returns a 400 bad request","Unsupported unit pair may return null or empty result","Very large or very small numbers may lose precision","Payment failure in USDC returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when an AI agent needs programmatic weight unit conversion without relying on a built-in calculator, or when converting between obscure units (e.g. stone, troy ounce) that a generic LLM may not handle accurately. Suitable for health, fitness, shipping, cooking, and scientific use cases requiring reliable numeric conversions paid per-call without API key management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:48:29.400Z","isFirstParty":false,"canonicalSlug":"apexapi-weight-converter-a939e94f"}