{"uid":"cap_KVAhecMP-Dh1eknS5vS9s","slug":"roman-numeral-converter-agent402-tools-9ec5085e","name":"Roman Numeral Converter (agent402.tools)","description":"Convert an integer (1-3999) to Roman numerals, or a Roman numeral back to an integer. Auto-detects direction.","url":"https://agent402.tools/api/roman","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{"description":"Integer 1-3999 or a Roman numeral string"}}},"responseSchema":{"type":"json","example":{"result":"MMXXIV"}},"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":"unknown","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_nU2ykymIlnNwXPhClwAy4","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":"Bidirectionally converts between integers (1–3999) and Roman numeral strings, auto-detecting the direction of conversion.","exampleAgentPrompt":"What is 2024 in Roman numerals? Also, can you convert MCMXCIX back to an integer for me?","exampleUseCases":null,"resultDescription":"Returns the converted value: either the Roman numeral string representation of the input integer, or the integer value of the input Roman numeral string. The endpoint auto-detects which direction to convert based on the type of input provided.","failureModes":["Integer out of range (below 1 or above 3999) returns an error","Invalid Roman numeral string that doesn't conform to standard notation returns an error","Missing or null 'value' field returns a validation error","Non-numeric string passed when an integer is expected returns an error"],"whenToPreferThis":"Use this endpoint when you need reliable bidirectional conversion between integers and Roman numerals with auto-detection. Ideal for formatting years, numbering chapters, or parsing historical/decorative numerals. Prefer this over custom logic when you need a simple, pay-per-call, no-setup API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:02.944Z","isFirstParty":false}