{"uid":"cap_TVRfKDI88jezkwXv4ctJ3","slug":"primeapi-length-converter-50dd6bfd","name":"PrimeAPI Length Converter","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://prime-api-seven.vercel.app/api/tools/convert/length","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":"0.147418","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":"$0.147418/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.147418","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.147418","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jjosW_0wgx7Ltzts-Eqff","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.147418","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a length value from one unit of measurement to another (e.g. meters to feet, inches to centimeters)","exampleAgentPrompt":"Convert 6.5 feet to centimeters for me.","exampleUseCases":null,"resultDescription":"Returns the converted length value in the requested target unit, typically including the numeric result and unit label.","failureModes":["Invalid or unrecognized unit names return an error","Missing value or query parameter returns a 400-level error","Ambiguous query string fails to parse source or target unit","Payment not included or insufficient USDC results in 402 Payment Required","Malformed input (non-numeric value) causes conversion failure"],"whenToPreferThis":"Use this endpoint when an AI agent needs a quick, pay-per-call length unit conversion without managing API keys. Suitable for one-off conversions between common or obscure length units within automated workflows that already support x402 USDC payments on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:51:08.255Z","isFirstParty":false}