# Integer to Roman Numeral Converter

> Integer to Roman Numeral 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 positive integer into its Roman numeral representation for display formatting, outlines, and labels.

## Facts

- Endpoint: POST https://api.delx.ai/api/v1/x402/int-to-roman
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/integer-to-roman-numeral-converter-df2278e1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SocVPSghWu42jIokgXsLw

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 integer-to-roman-numeral-converter-df2278e1 -d '<json body>'
```

Example prompt: What's 2024 in Roman numerals? Just need the Roman numeral so I can use it in a chapter heading.

## When to prefer this

Choose this endpoint when you need a reliable, deterministic Roman numeral conversion without setting up a library or shipping extra code. Ideal for agent UIs, document generation pipelines, chapter/section labeling, outline formatting, and anywhere display-quality Roman numerals are needed on demand. The micropayment model means no API key or subscription setup is required.

## Known failure modes

- Non-positive integer input (0 or negative) returns a validation error, no charge
- Input exceeds allowed range returns a structured validation error, no charge
- Non-integer input (float, string) returns a type validation error
- Missing required 'n' field returns a bad request error

## How this service works

Integer → Roman numerals. Use for outlines, chapter labels, or display formatting in agent UIs. Returns a Roman numeral for a positive integer. $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 a JSON object containing the Roman numeral string representation of the input integer (e.g., 14 → 'XIV', 2024 → 'MMXXIV'). Errors on invalid or out-of-range inputs without charging.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "n": {
   "type": "integer",
   "description": "Integer input (see tool summary for allowed range)."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "n": 42,
  "roman": "XLII",
  "schema": "delx/int-to-roman/v1"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/integer-to-roman-numeral-converter-df2278e1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.delx.ai](https://www.zero.xyz/host/api.delx.ai/llms.txt)