Write a number or money amount in words, in Spanish or English (EUR, USD, GBP, M
Write a number or money amount in words, in Spanish or English (EUR, USD, GBP, MXN), with correct Spanish apocope (veintiún, un millón de euros). For invoices, cheques and contracts.
Answeringour last check, 2026-10-02
1 of 1checks answered this week
326 msmedian answer time
$0.003listed price per call
$0.003price 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
POST https://api.vextorium.com/numero-a-letras-pago
| Category | Everything else |
|---|---|
| Provider host | api.vextorium.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-02 | valid payment request | 402 | $0.003 | 326 ms |
Example input (from the provider)
{
"body": {
"idioma": "es",
"moneda": "EUR",
"numero": 1234.56
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"idioma": {
"enum": [
"es",
"en"
],
"type": "string"
},
"mayusculas": {
"description": "Return in capitals",
"type": "boolean"
},
"moneda": {
"description": "EUR, USD, GBP or MXN (optional)",
"type": "string"
},
"numero": {
"description": "Number or amount",
"type": "number"
}
},
"required": [
"numero"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"idioma": {
"type": [
"string",
"null"
]
},
"moneda": {
"type": [
"string",
"null"
]
},
"numero": {
"type": [
"number",
"null"
]
},
"texto": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}