{"uid":"cap_XE9l7IETEO41eXKwsK3T7","slug":"vextorium-number-to-words-spanish-english-8ddb68e3","name":"Vextorium Number to Words (Spanish/English)","description":"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.","url":"https://api.vextorium.com/numero-a-letras-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["numero"],"properties":{"idioma":{"enum":["es","en"],"type":"string"},"moneda":{"type":"string","description":"EUR, USD, GBP or MXN (optional)"},"numero":{"type":"number","description":"Number or amount"},"mayusculas":{"type":"boolean","description":"Return in capitals"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":["object","null"],"properties":{"texto":{"type":["string","null"]},"idioma":{"type":["string","null"]},"moneda":{"type":["string","null"]},"numero":{"type":["number","null"]}}}}}}},"responseSchema":{"type":"json","example":{"texto":"mil doscientos treinta y cuatro euros con cincuenta y seis céntimos","idioma":"es","moneda":"EUR","numero":1234.56}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IoV5Jw_ZEopMRpYdSV_1N","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a number or monetary amount into its written-out word form in Spanish or English, supporting EUR, USD, GBP, and MXN currencies with correct grammatical forms.","exampleAgentPrompt":"Write out the amount 1234.56 in words in Spanish for a EUR invoice — something like 'mil doscientos treinta y cuatro euros con cincuenta y seis céntimos', and make it all uppercase.","exampleUseCases":[{"title":"Invoice amount written in Spanish","prompt":"I need to print the amount $2,500.00 USD in words on a Spanish-language invoice — can you write it out in Spanish in all capitals?"},{"title":"Cheque word amount in English","prompt":"Write out 985.75 British pounds in words in English for a cheque — like 'nine hundred eighty-five pounds and seventy-five pence'."},{"title":"Mexican peso contract clause","prompt":"I'm drafting a contract in Spanish and need the amount 21,000 MXN written out as words — make sure the grammar is correct, like 'veintiún mil pesos'."}],"resultDescription":"Returns a JSON object containing the number spelled out in words as a string (e.g. 'mil doscientos treinta y cuatro euros con cincuenta y seis céntimos'), along with the language, currency, and original number echoed back. Optionally returns the text in all capitals.","failureModes":["Missing required 'numero' field returns a validation error","Unsupported currency code causes an error or is ignored","Very large numbers may exceed formatting limits","Invalid language enum value (anything other than 'es' or 'en') causes rejection","Non-numeric input in numero field causes a schema validation error"],"whenToPreferThis":"Choose this endpoint when you need a number or monetary amount converted to its written-out word form for formal documents such as invoices, cheques, or contracts, especially when correct Spanish grammatical rules (apocope: 'veintiún', 'un millón de euros') are required. It is the right choice over generic translation or NLP services when currency-aware, grammatically correct number-to-word conversion in Spanish or English is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:37.057Z","isFirstParty":false,"canonicalSlug":"vextorium-number-to-words-spanish-english-8ddb68e3"}