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Number to words

Spell an integer out in English words, e.g. 123 → "one hundred twenty-three". Negatives are prefixed with "minus".

Host	numeral.openverbs.com
Price	$0.002 per call
Network	Base
Paid endpoints listed	4
Calls, last 30 days*	9
Most unique payers on one endpoint (30 days)*	3
Last paid call*	2026-10-08
Tags	number to words, spell out number, integer to english words, convert number to text, english number words, ordinal number formatter, number to ordinal, add ordinal suffix

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://numeral.openverbs.com/v1/words` Spell an integer out in English words, e.g. 123 → "one hundred twenty-three". Negatives are prefixed with "minus".	POST	$0.002
`https://numeral.openverbs.com/v1/ordinal` Format a non-negative integer as an ordinal — both the suffixed form (21st) and the ordinal words (twenty-first).	POST	$0.002
`https://numeral.openverbs.com/v1/radix` Convert an integer between numeral bases 2–36 (binary, octal, hex, base36, …). Arbitrary size via BigInt; digits are…	POST	$0.002
`https://numeral.openverbs.com/v1/roman` Convert between integers (1–3999) and Roman numerals in either direction — a digit string is encoded to Roman, a Roman…	POST	$0.002

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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