# serp402 Google Finance

> serp402 Google Finance is a paid API for AI agents from serp402.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-31).

Extract structured stock performance data, price movements, related news, and financial metrics from Google Finance for any given ticker or query.

## Facts

- Endpoint: POST https://serp402.com/api/v1/google-finance?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/serp402-google-finance-210f7775
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uiZ6RMIFuQwvJBv0DahHF

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 serp402-google-finance-210f7775 -d '<json body>'
```

Example prompt: Pull the Google Finance data for AAPL showing the last 1 month of price movement, and include any related news you can find.

## When to prefer this

Choose this endpoint when you need structured, machine-readable Google Finance data — stock prices, price movements, time-series performance, and related news — without setting up an API key or subscription. It is particularly useful for lightweight financial lookups where you want pay-per-call pricing at $0.05 per query in USDC with no account required. Prefer this over brokerage APIs when you only need public market data and want zero onboarding friction.

## Known failure modes

- Invalid or unrecognized ticker symbol returns empty or error JSON
- Unsupported language code may fall back to default or return error
- Google Finance temporarily unavailable or rate-limited causing upstream failure
- Very new or delisted tickers may return no data
- Malformed query string may return unrelated results

## How this service works

Google Finance: Extract stock performance, values, price movements, related news, and more. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners.

## Output

Returns a structured JSON object containing stock price, price change, percentage movement, a time-series graph data points for the selected window, related news articles (headline, source, timestamp), and other financial metadata such as market cap or trading volume where available.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "q": {
   "type": "string"
  },
  "hl": {
   "type": "string",
   "description": "language to use for the Google Finance search. It's a two or three-letter language code. (e.g., en for English, es for Spanish, or fr for French), optionally…"
  },
  "window": {
   "type": "string",
   "description": "Parameter is used for setting time range for the graph. It can be set to: 1D - 1 Day(default) 5D - 5 Days 1M - 1 Month 6M - 6 Months YTD - Year to Date 1Y - 1…"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/serp402-google-finance-210f7775/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from serp402.com](https://www.zero.xyz/host/serp402.com/llms.txt)