# BTC-USD Spot Price (Delayed) via Yahoo Finance

> BTC-USD Spot Price (Delayed) via Yahoo Finance is a paid API for AI agents from vietnam-holiday-api.kdlcfa.workers.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Returns the current delayed BTC-USD spot price sourced from Yahoo Finance

## Facts

- Endpoint: GET https://vietnam-holiday-api.kdlcfa.workers.dev/btc-price
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/btc-usd-spot-price-delayed-via-yahoo-finance-56b6a58f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_OjFHUFEPpm8feUA4ZMsUf

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 btc-usd-spot-price-delayed-via-yahoo-finance-56b6a58f
```

Example prompt: What's the current Bitcoin price in USD? Give me the latest delayed spot quote.

## When to prefer this

Choose this endpoint when you need a quick, low-cost delayed Bitcoin spot price in USD and real-time exchange-grade data is not required. It is particularly useful for portfolio displays, price alerts with acceptable latency, or comparative analysis where Yahoo Finance's delayed feed is sufficient. Prefer a real-time exchange API if millisecond accuracy or live trading data is needed.

## Known failure modes

- Yahoo Finance upstream outage causing stale or missing data
- Rate limiting or payment failure returning 402 error
- Invalid endpoint path returning 404
- Delayed quote may lag real-time price by 15-20 minutes

## How this service works

BTC-USD spot price, delayed quote via Yahoo Finance

## Output

Returns a delayed BTC-USD spot price quote sourced from Yahoo Finance, including the current price and potentially related market data such as open, high, low, and volume figures.

## 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": [],
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/btc-usd-spot-price-delayed-via-yahoo-finance-56b6a58f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from vietnam-holiday-api.kdlcfa.workers.dev](https://www.zero.xyz/host/vietnam-holiday-api.kdlcfa.workers.dev/llms.txt)