{"uid":"cap_6EqG1A7l091OoveTdxseH","slug":"number-to-words-converter-e488a2b8","name":"Number to Words Converter","description":"Write a whole number in English words (cardinal and ordinal) and as a check-writing amount in dollars and cents.","url":"https://units-convert.x402tookit.com/number-words?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["value"],"properties":{"value":{"type":"number","description":"Whole number or amount up to 999 quadrillion; decimals are read as cents"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"cents":{"type":["null","number"]},"source":{"type":["null","string"]},"ordinal":{},"reasons":{"type":["array","null"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"cardinal":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"wholePart":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"checkAmount":{"type":["null","string"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i6k0YuReE5okQcLGtki48","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a whole number (or dollar amount) into its English cardinal words, ordinal words, and check-writing dollar/cents format.","exampleAgentPrompt":"How do you write 42518 in English words — both as a cardinal number and in check-writing format with dollars and cents?","exampleUseCases":[{"title":"Check writing amount in words","prompt":"I need to write a check for $1,247.85 — can you spell out the amount in words the way it appears on a bank check?"},{"title":"Ordinal number for a formal document","prompt":"What is the ordinal word form of 53 — like for writing it out in a formal legal document?"},{"title":"Spelling large numbers in English","prompt":"How do you write 2500000 in English words? I need both the regular (cardinal) spelling and the ordinal form."}],"resultDescription":"Returns the cardinal English word form (e.g. 'forty-two thousand five hundred eighteen'), the ordinal form (e.g. 'forty-two thousand five hundred eighteenth'), the whole number part, cents value, and a check-writing formatted string (e.g. 'forty-two thousand five hundred eighteen and 00/100 dollars').","failureModes":["Value exceeds 999 quadrillion limit — input rejected","Non-integer or unsupported numeric format — unexpected results","Negative numbers may not be supported","Missing required 'value' query parameter — request fails"],"whenToPreferThis":"Use this endpoint when you need to render a number as English text for human-readable documents, checks, or formal writing. It handles both cardinal and ordinal forms plus the specific check-writing dollar/cents convention, making it more complete than generic number-to-text libraries for financial and legal contexts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:40.830Z","isFirstParty":false,"canonicalSlug":"number-to-words-converter-e488a2b8"}