Number to English words

$0.003 per call · failed calls are never charged · no account or API key needed

Write a whole number (up to trillions, negatives allowed) out in English words, e.g. for cheques and invoices. Also returns the cheque form with 'and' cents when given a decimal amount. Use when amounts must be written out in full.

Run it free (25 free calls) Buy credits by card (from $5) Example result (JSON)

Inputs

NameTypeDescription
number (required)numberThe number, decimals allowed

Request

Over HTTP, with a card key from /credits:

curl -H "Authorization: Bearer adt_…" "https://agent-data-tools.revmesh2074.workers.dev/number/words?number=1234.5"

Or one of your 25 free calls, no key:

curl "https://agent-data-tools.revmesh2074.workers.dev/number/words?number=1234.5&trial=1"

Without a key, the same URL answers 402 Payment Required with x402 and MPP terms, so an agent with a wallet pays per call in USDC (Base, Polygon, Arbitrum, Monad, World Chain or Tempo) and retries.

Example result

{
  "words": "one thousand two hundred thirty-four",
  "cheque": "one thousand two hundred thirty-four and 50/100"
}

From an AI agent (MCP)

Add the MCP server to Claude, Cursor or any MCP client. This tool is number_words, and the first 25 successful calls are free:

https://agent-data-tools.revmesh2074.workers.dev/mcp

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