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Roman to Integer Converter
x402
Roman to Integer Converter is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Converts a Roman numeral string (e.g. 'XIV') into its integer equivalent
Price / call$0.001
Success—
StatusUnknown
How this service works
Roman numerals → integer. Handy for parsing outlines, clocks, or classic numbering in scraped text. Returns the integer value of a Roman numeral string. $0.001 USDC per successful call via x402 on Base—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.
Output
Returns the integer value of the provided Roman numeral string as a JSON object with a numeric field, e.g. {"value": 42} for input 'XLII'. On structured validation errors (e.g. invalid characters), no charge is incurred.
Example use cases
Parse outline roman numeral headings
“I'm scraping a legal document and the section headers use Roman numerals like III, VII, and XIV — can you convert those to integers so I can index them properly?”
Decode clock face numerals
“The antique clock image shows the hour as XII and the minute mark at XXX — what are those as regular numbers?”
Normalize scraped book chapter numbering
“This old book I scraped has chapters labeled as MCMXCIX and CDXLIV — convert those Roman numerals to integers for me so I can sort them.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/roman-to-intWhen to prefer
Use this endpoint when you need a lightweight, deterministic, no-key-required Roman numeral to integer conversion — especially useful in agent pipelines processing scraped text (legal docs, book chapters, outlines, clock faces) where Roman numerals appear and need to be normalized to integers. Prefer this over general-purpose LLM parsing when you need reliable, structured JSON output without hallucination risk and at minimal cost ($0.001 USDC).
Side effects
- Invalid characters in input (non-Roman-numeral characters) — returns a validation error, no charge
- Empty string input — validation error
- Malformed numeral sequence may still parse if characters are valid — no semantic validation of numeral ordering
- Payment failure via x402 — call blocked if USDC payment on Base is not completed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| roman | string | Roman numeral string (I, V, X, L, C, D, M). |
Output
Schema · Response
{
"type": "json",
"example": {
"roman": "XLII",
"value": 42,
"schema": "delx/roman-to-int/v1"
}
}Tags
x402
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