# Binance Spot Price Lookup

> Binance Spot Price Lookup is a paid API for AI agents from api.chainmarket-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-24).

Fetches real-time spot price data for a Binance trading pair (e.g. BTCUSDT, ETHUSDT) via pay-per-call with no signup required.

## Facts

- Endpoint: GET https://api.chainmarket-api.workers.dev/api/finance/binance-prices?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-24
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/binance-spot-price-lookup-56701211
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jdAtdHxJh36vxxgBME_BY

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 binance-spot-price-lookup-56701211
```

Example prompt: What's the current spot price of BTCUSDT on Binance right now?

## When to prefer this

Choose this endpoint when you need real-time Binance spot prices with no API key or signup, pay-per-call via USDC microtransactions, and only pay for successful calls. Ideal for AI agents that need occasional or unpredictable price lookups without committing to a subscription.

## Known failure modes

- Invalid or unsupported trading pair symbol returns an error (e.g. typos like 'BTCUSD' instead of 'BTCUSDT')
- Missing required 'symbol' query parameter causes a 400-level error
- Binance API downtime or rate limiting may cause upstream failures
- Payment failure on x402 will result in a 402 response and no charge

## How this service works

Binance spot last price for one trading pair (for example BTCUSDT), from Binance's public ticker endpoint. Only the last price is returned; no order book or history.

## Output

Returns real-time spot price data for the specified Binance trading pair, including the current market price and associated pair metadata sourced directly from Binance public market data.

## 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": [
      "symbol"
     ],
     "properties": {
      "symbol": {
       "type": "string",
       "description": "Binance pair, e.g. BTCUSDT, ETHUSDT"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/binance-spot-price-lookup-56701211/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.chainmarket-api.workers.dev](https://www.zero.xyz/host/api.chainmarket-api.workers.dev/llms.txt)