# ARB/USD Live Price Feed

> ARB/USD Live Price Feed 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 price of Arbitrum (ARB) in US Dollars with no parameters required

## Facts

- Endpoint: GET https://api.x402node.dev/crypto/price/arb/usd/arb-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/arb-usd-live-price-feed-6312cc9e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_zEbKGYJR-C1G5xDKvh13P

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 arb-usd-live-price-feed-6312cc9e
```

Example prompt: What is the current price of Arbitrum in USD — can you pull the latest ARB/USD rate for me?

## When to prefer this

Use this endpoint when you need the current real-time price of Arbitrum (ARB) denominated in USD and want a zero-parameter GET call with a clean JSON response including timestamp and source attribution. Ideal for agents that need to check ARB price on demand without constructing complex queries.

## Known failure modes

- Upstream price feed unavailable — service returns error or stale data
- Payment of $0.004 USDC not processed — 402 Payment Required response
- Rate limit exceeded — too many requests in a short window
- Network timeout — no response from the endpoint

## How this service works

Live ARB to USD price (Arbitrum / US Dollar). Zero-param: GET returns current price. Arbitrum美元实时价格行情。アービトラム/米ドル 価格。Precio Arbitrum dólar. 아비트럼 달러 시세. arb usd, arb-usd, ARB price. Accepts payment on Base or Solana — either network works.

## Output

Returns a JSON object with fields: base (ARB), quote (USD), pair (arb-usd), price (current numeric price), as_of (timestamp of the price), and source (data provider). No input parameters are needed.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/arb-usd-live-price-feed-6312cc9e/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)