{"uid":"cap_Ep6ugkRWPaOPxBzUDz2TE","slug":"roman-numeral-converter-75a79beb","name":"Roman Numeral Converter","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/util/roman-numeral-convert?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SClRxaAE-ilG9KGhCTVg1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts integers to Roman numerals or Roman numerals back to integers","exampleAgentPrompt":"Convert 2024 to Roman numerals for me.","exampleUseCases":[{"title":"Display year in Roman numerals","prompt":"What is the year 1999 written as a Roman numeral? I want to display it on a monument inscription."},{"title":"Decode a Roman numeral inscription","prompt":"Can you convert the Roman numeral MMXXIV back to a regular number for me?"},{"title":"Generate chapter numbering","prompt":"Convert the numbers 1 through 12 to Roman numerals so I can use them as chapter headings in my book."}],"resultDescription":"Returns a JSON object with ok:true, paid:true, and the conversion result — either the Roman numeral string for a given integer input, or the integer value for a given Roman numeral string input.","failureModes":["Invalid or malformed schema parameter returns an error response","Numbers outside the valid Roman numeral range (typically 1–3999) may fail or return an error","Payment failure (402) if USDC balance is insufficient","Malformed Roman numeral strings that don't correspond to valid numerals may return an error"],"whenToPreferThis":"Use this endpoint when you need a simple, deterministic, pay-per-call Roman numeral conversion without requiring API key setup or account registration. Ideal for AI agents operating autonomously with a USDC wallet on Base, needing quick one-off numeral conversions at minimal cost ($0.001 per call).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:45:27.590Z","isFirstParty":false,"canonicalSlug":"roman-numeral-converter-75a79beb"}