{"uid":"cap_vzh4VbTI4ngVndRXacRT3","slug":"primeapi-speed-unit-converter-f0e28b57","name":"PrimeAPI Speed Unit 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/speed","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":"0.125741","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":"$0.125741/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.125741","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.125741","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_I7pBihcTtuOAXdXLPnpkB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.125741","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts speed values between different units of measurement (e.g. mph, km/h, m/s, knots)","exampleAgentPrompt":"Convert 60 miles per hour to kilometers per hour for me.","exampleUseCases":null,"resultDescription":"Returns the converted speed value in the requested target unit, along with relevant conversion metadata such as the original value, source unit, and result unit.","failureModes":["Unsupported unit type returns error or empty result","Malformed query string fails to parse source or target unit","Non-numeric speed value causes computation error","Missing unit specification results in ambiguous or failed conversion","Service unavailability or payment failure returns 402 or 5xx error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to convert speed values between common units (mph, km/h, m/s, knots, ft/s) on a per-call pay-as-you-go basis with no API key setup required, particularly in workflows involving transportation data, physics calculations, or international unit normalization.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:02:42.846Z","isFirstParty":false}