# Roman Numerals to Number Converter

> Roman Numerals to Number Converter is a paid API for AI agents from yruz.one, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-19).

Converts a Roman numeral string into its corresponding integer value

## Facts

- Endpoint: POST https://yruz.one/api/toolkit/roman-numerals-to-number?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/roman-numerals-to-number-converter-814a74eb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hJrU4ARI2e4wG2FkDGR21

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability roman-numerals-to-number-converter-814a74eb -d '<json body>'
```

Example prompt: Convert the Roman numeral MCMXCIX to its number — what integer does that represent?

## When to prefer this

Use this endpoint when an agent needs to programmatically decode Roman numeral strings into integers — for example when parsing historical documents, chapter numbers, movie release years, monument inscriptions, or any structured content using Roman numeral notation.

## Known failure modes

- Invalid Roman numeral string returns an empty or error result
- Missing 'text' field in the request body causes a validation error
- Malformed or out-of-range Roman numerals may return an unexpected result
- Very large or non-standard Roman numeral combinations may not be supported

## How this service works

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## Output

A JSON object containing the tool name ('roman-numerals-to-number') and a result field with the integer equivalent of the submitted Roman numeral string.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "description": "Roman numerals (required)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "tool": "roman-numerals-to-number",
  "result": {}
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/roman-numerals-to-number-converter-814a74eb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from yruz.one](https://www.zero.xyz/host/yruz.one/llms.txt)