# BaseBuilder Stocks – Yahoo Finance15 Endpoint

> BaseBuilder Stocks – Yahoo Finance15 Endpoint is a paid API for AI agents from bbx-stocks.vercel.app, paid per call via x402, $0.10273/call, status unknown (last checked 2026-09-14).

Retrieves stock market data via Yahoo Finance through a paid x402 API hub supporting quotes, financials, and related equity data

## Facts

- Endpoint: POST https://bbx-stocks.vercel.app/api/yahoo-finance15
- Price: $0.10273/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/basebuilder-stocks-yahoo-finance15-endpoint-76db21bf
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sCWBwi_1IWQ_AIaXVuYtS

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 basebuilder-stocks-yahoo-finance15-endpoint-76db21bf -d '<json body>'
```

Example prompt: Can you pull the current stock quote and key financial metrics for AAPL from Yahoo Finance?

## When to prefer this

Choose this endpoint when you need programmatic access to Yahoo Finance stock data and are comfortable with micropayment-based (x402 USDC) API access. Useful for agents that need on-demand equity data without a long-term subscription to a traditional financial data provider.

## Known failure modes

- Invalid or unknown ticker symbol returns an error or empty result
- Payment failure if x402 USDC payment is not processed correctly
- Rate limiting or quota exhaustion on the underlying Yahoo Finance data source
- Malformed POST body causes a 400 error
- Stale or delayed data if Yahoo Finance feed has latency

## How this service works

BaseBuilder Stocks API hub - 21 paid endpoints

## Output

Returns stock market data from Yahoo Finance including price quotes, trading volume, market cap, financial ratios, and other equity metrics depending on the query parameters sent in the POST body.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/basebuilder-stocks-yahoo-finance15-endpoint-76db21bf/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bbx-stocks.vercel.app](https://www.zero.xyz/host/bbx-stocks.vercel.app/llms.txt)