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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimed

numeral.openverbs.com

Spell an integer out in English words, e.g. 123 → "one hundred twenty-three". Negatives are prefixed with "minus". (4 paid endpoints on numeral.openverbs.com.)

Call via Rooms

Rooms resells calls to numeral.openverbs.com: you make one x402 payment to Rooms, Rooms pays numeral.openverbs.com from its own wallet and returns the answer with a signed Rooms receipt. Never charged when the call fails. No account or API key.

$0.003 per call, all in (numeral.openverbs.com's listed price $0.002 plus the Rooms margin; the 402 quotes the live price)

See the price (free, unpaid)

curl -i -X POST https://rooms.aurmada.com/x402/v1/broker/numeralopenverbscom -H 'Content-Type: application/json' -d '{"path":"/v1/words","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /v1/words), query and body go to numeral.openverbs.com as given. Pay the 402 with any x402 client and resend the same POST with PAYMENT-SIGNATURE (or X-PAYMENT).

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "numeralopenverbscom" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="numeralopenverbscom")

Track record

Uptime
Collecting: shown after 3 daily checks.
Calls via Rooms (30 days)
0

No calls through Rooms in the last 30 days yet. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (4)

  • POST /v1/words $0.003 via Rooms
    Spell an integer out in English words, e.g. 123 → "one hundred twenty-three". Negatives are prefixed with "minus".
  • POST /v1/roman $0.003 via Rooms
    Convert between integers (1–3999) and Roman numerals in either direction — a digit string is encoded to Roman, a Roman numeral is decoded to an integer. Non-canonical numerals (IIII, IC) are rejected.
  • POST /v1/radix $0.003 via Rooms
    Convert an integer between numeral bases 2–36 (binary, octal, hex, base36, …). Arbitrary size via BigInt; digits are case-insensitive and a leading minus is allowed.
  • POST /v1/ordinal $0.003 via Rooms
    Format a non-negative integer as an ordinal — both the suffixed form (21st) and the ordinal words (twenty-first).

Automated check

Not checked yet. Checks run in the background.