# USD to KRW Live Exchange Rate

> USD to KRW Live Exchange Rate 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).

Returns the current live USD/KRW (US Dollar to Korean Won) forex exchange rate with no input parameters required.

## Facts

- Endpoint: GET https://api.x402node.dev/forex/rate/usd/krw/usd-krw
- 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/usd-to-krw-live-exchange-rate-6a913143
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_PnoeMDEF6XW8UjX78wcJQ

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 usd-to-krw-live-exchange-rate-6a913143
```

Example prompt: What's the live USD to KRW exchange rate right now? I need the current dollar to Korean won rate.

## When to prefer this

Use this endpoint when you need a zero-configuration, real-time USD to KRW spot rate for display, conversion calculations, or financial data enrichment. It requires no parameters and returns a clean structured JSON response. Prefer this over generic forex APIs when you specifically need the USD/KRW pair and want a pay-per-call model with no subscription.

## Known failure modes

- Rate feed unavailable — upstream forex data source is down or delayed
- HTTP 402 Payment Required — USDC payment not provided or payment verification failed
- Rate may be slightly delayed depending on source feed refresh interval
- Malformed response if the data provider returns unexpected format

## How this service works

Live USD to KRW exchange rate (US Dollar / Korean Won). Zero-param: GET returns current rate. 美元兑韩元实时汇率。米ドル/ウォン 為替レート。Tipo de cambio dólar-won. 달러 원 환율. usd krw, usd-krw, USD/KRW forex quote. Accepts payment on Base or Solana — either network works.

## Output

Returns a JSON object with the currency pair identifier (e.g. 'usd-krw'), the base currency ('USD'), the quote currency ('KRW'), the live numeric exchange rate (rate), a timestamp indicating when the rate was fetched (as_of), and the data source name.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/usd-to-krw-live-exchange-rate-6a913143/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)