# KRW to USD Currency Converter (api.x402node.dev)

> KRW to USD Currency Converter (api.x402node.dev) is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).

Converts a specified amount of Korean Won (KRW) to US Dollars (USD) at the live exchange rate

## Facts

- Endpoint: GET https://api.x402node.dev/forex/convert/krw/usd/krw-usd
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/krw-to-usd-currency-converter-api-x402node-dev-4af0d54b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wvK_44QzBo7nTK3nD2464

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability krw-to-usd-currency-converter-api-x402node-dev-4af0d54b
```

Example prompt: How much is 50000 Korean won in US dollars right now? Give me the live conversion.

## When to prefer this

Use this endpoint when you need to convert a specific KRW amount to USD using a live exchange rate and want the numeric result directly. Prefer this over a simple rate-lookup endpoint when you need the computed USD value for a given won amount rather than just the rate itself.

## Known failure modes

- Missing or invalid amount parameter may return an error or default to zero
- Rate data unavailability from upstream forex source could cause stale or missing rate
- Non-numeric amount values will likely cause a 400 bad request
- Payment failure (x402) if USDC balance is insufficient

## How this service works

Convert KRW to USD at live rate. Pass ?amount=100 for value in US Dollar. 韩元兑换美元换算。ウォンを米ドルに換算。Convertir won a dólar. 원를 달러로 환전. krw to usd convert. Accepts payment on Base or Solana — either network works.

## Output

Returns a JSON object with: the source currency (from: 'KRW'), target currency (to: 'USD'), the live exchange rate (rate), the input amount (amount), the converted result in USD (result), the timestamp of the rate (as_of), and the data source (source).

## Request schema (JSON Schema)

```json
{
 "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": [
      "amount"
     ],
     "properties": {
      "amount": {
       "type": "string",
       "description": "要换算的金额，如 ?amount=100"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/krw-to-usd-currency-converter-api-x402node-dev-4af0d54b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.x402node.dev](https://www.zero.xyz/host/api.x402node.dev/llms.txt)