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QuantaFlow Alpha Vantage Gateway
x402
QuantaFlow Alpha Vantage Gateway is a paid API for AI agents from quanta-roan.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).
Proxies requests to the Alpha Vantage financial data API via the x402 micropayment protocol, charging $0.01 USDC per call
Price / call$0.01
Success—
StatusUnknown
How this service works
Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.
Output
The raw upstream response from Alpha Vantage is passed through after successful x402 micropayment, including financial time series, quotes, forex rates, technical indicators, or fundamental data in JSON format as returned by the Alpha Vantage API.
Example use cases
Real-time equity quote lookup
“Fetch the current quote for TSLA stock, including today's open, close, high, low, and volume — I need it from Alpha Vantage.”
Forex rate retrieval for currency conversion
“What is the current EUR to USD exchange rate? Pull it from Alpha Vantage's currency exchange endpoint.”
Technical indicator for trading signal
“Get me the 14-day RSI for NVDA using Alpha Vantage so I can check if it's overbought or oversold right now.”
Technical details
Endpoint
POSThttps://quanta-roan.vercel.app/api/service/alphavantage?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need Alpha Vantage financial data — stocks, forex, crypto, technical indicators, or fundamentals — and want to pay per-call via USDC micropayment using the x402 protocol without managing an Alpha Vantage API key subscription directly. Ideal for agents operating in web3/DeFi environments where crypto-native payments are preferred over traditional API key billing.
Side effects
- Payment failure if wallet lacks sufficient USDC balance
- Invalid path or query params forwarded to Alpha Vantage resulting in API error
- Alpha Vantage rate limit exceeded returning 429
- Invalid or expired Alpha Vantage API key configured on the gateway
- Unsupported HTTP method or malformed request body
- Upstream Alpha Vantage service downtime causing 502 or 503
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| body | string | Optional JSON body forwarded to POST requests. |
| path | string | Path below the selected upstream origin. |
| query | object | |
| method | string |
Output
Schema · Response
{
"description": "The upstream response body and content type are passed through after successful payment."
}Tags
x402
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