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Format

by Format currency in Markets & finance

x402 APIPassing, checked just now

Format a numeric amount as currency for a given locale using Intl, honouring the currency's own minor-unit convention (USD→2, JPY→0). display selects the symbol, narrow symbol, ISO code or full name. An unknown currency or locale is a clean 400.

POST
https://money.openverbs.com/v1/format
Price
$0.002
per call in USDC
Uptime
100%
last 30 days
Response time
583 ms
669 ms slowest 5%
Last check
Passed
just now, next in 30 min

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://money.openverbs.com/v1/format

Each call costs $0.002 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://money.openverbs.com/v1/format
content-type: application/json

{
  "amount": 1234.56,
  "currency": "USD",
  "display": "symbol",
  "locale": "en-US"
}

Parameters

ParameterTypeRequiredDescription
amountnumberYesThe amount to format.
currencystringYesISO 4217 currency code, e.g. USD, EUR, JPY.
displaystringNoHow to display the currency. Default symbol. One of: symbol, narrowSymbol, code, name.
localestringNoBCP-47 locale, e.g. en-US, de-DE. Default en-US.

Example response

The listing has no example response.

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://money.openverbs.com/v1/format' \
  -H 'content-type: application/json' \
  --data-raw '{"amount":1234.56,"currency":"USD","display":"symbol","locale":"en-US"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://money.openverbs.com/v1/format' \
  -H 'content-type: application/json' \
  --data-raw '{"amount":1234.56,"currency":"USD","display":"symbol","locale":"en-US"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fmoney.openverbs.com%2Fv1%2Fformat&method=POST
const res = await pay("https://money.openverbs.com/v1/format", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "amount": 1234.56,
    "currency": "USD",
    "display": "symbol",
    "locale": "en-US"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://money.openverbs.com/v1/format",
        json={
            "amount": 1234.56,
            "currency": "USD",
            "display": "symbol",
            "locale": "en-US",
        },
    )
    print(res.status_code, res.text)

Security scan

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