Convert 1-3999 to Roman numerals or read Roman numerals as numbers, strict or le
Convert 1-3999 to Roman numerals or read Roman numerals as numbers, strict or lenient (IIII, IC), additive style option.
Answers HTTP 429 without x402 payment termsour last check, 2026-10-21
0 of 1checks answered this week
n/amedian answer time
$0.02listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://number-words.x402tookit.com/roman-numeral
| Category | Everything else |
|---|---|
| Provider host | number-words.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | no x402 terms | 429 | 702 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"style": "standard",
"value": "1994"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"mode": {
"description": "Reading Roman: strict (default; only standard forms) or lenient (also IIII, VIIII, IC, XM)",
"enum": [
"strict",
"lenient"
],
"type": "string"
},
"style": {
"description": "Writing Roman: standard (default, IV IX XL XC CD CM) or additive (IIII, VIIII, XXXX)",
"enum": [
"standard",
"additive"
],
"type": "string"
},
"value": {
"description": "Digits 1 to 3999 (becomes Roman) or Roman letters such as MCMXCIV (becomes a number)",
"type": "string"
}
},
"required": [
"value"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"direction": {
"type": [
"null",
"string"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"input": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"number": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"roman": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},
"style": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}