# KiteEndpoints.ai - Alpha Vantage Proxy

> KiteEndpoints.ai - Alpha Vantage Proxy is a paid API for AI agents from kite-endpoints.vercel.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-14).

Proxies requests to Alpha Vantage financial market data API, returning stock quotes, forex rates, technical indicators, and other financial data via pay-per-request USDC billing.

## Facts

- Endpoint: POST https://kite-endpoints.vercel.app/api/alpha-vantage
- Price: $0.2/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kiteendpoints-ai-alpha-vantage-proxy-7b437917
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_X_by6MaY72jd5pqycqyfc

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 kiteendpoints-ai-alpha-vantage-proxy-7b437917 -d '<json body>'
```

Example prompt: Can you pull the latest daily time series stock data for AAPL from Alpha Vantage so I can see its recent closing prices?

## When to prefer this

Choose this endpoint when you need Alpha Vantage financial market data — stock prices, forex, crypto, or technical indicators — without managing your own Alpha Vantage API key, and prefer paying per-request in USDC on Base chain rather than a monthly subscription. Ideal for AI agents that need on-demand financial lookups without pre-committing to a plan.

## Known failure modes

- Invalid or unsupported Alpha Vantage function parameter returns error
- Unknown or delisted ticker symbol returns empty or error response
- Alpha Vantage rate limit exceeded upstream causes failure
- Malformed request body returns bad request error
- Payment of 0.2 USDC not completed causes 402 rejection
- Alpha Vantage API key quota exhausted on proxy side causes downstream failure

## How this service works

400+ paid API endpoints. Social media, AI, crypto, finance, weather, ecommerce, tools. Pay per request with USDC on Base chain.

## Output

Returns a result object containing Alpha Vantage API response data, which may include time series price data (open, high, low, close, volume), technical indicator values, forex exchange rates, or other financial metrics depending on the function called. The exact structure mirrors the standard Alpha Vantage API response format.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "example": {
  "result": {
   "data": "example response"
  }
 },
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kiteendpoints-ai-alpha-vantage-proxy-7b437917/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kite-endpoints.vercel.app](https://www.zero.xyz/host/kite-endpoints.vercel.app/llms.txt)