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QuantaFlow x402 API Gateway – Rapid Investing & Cryptocurrency Markets
x402
QuantaFlow x402 API Gateway – Rapid Investing & Cryptocurrency Markets is a paid API for AI agents from quanta-roan.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
Proxies requests to a rapid investing and cryptocurrency markets data upstream service 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 body and content type from the cryptocurrency/investing markets data provider, passed through transparently after the x402 micropayment of $0.01 USDC is settled. Typically includes market data such as prices, volumes, market caps, or other investing metrics depending on the path queried.
Example use cases
Live crypto price lookup for trading bot
“Fetch the current price and 24-hour trading volume for SOL/USDC from the QuantaFlow rapid investing cryptocurrency markets endpoint so I can decide whether to place a buy order.”
DeFi portfolio valuation snapshot
“Get me the latest market cap and price data for my portfolio tokens — BTC, ETH, and MATIC — through the QuantaFlow crypto markets gateway so I can calculate my current portfolio value.”
Crypto market alert monitoring
“Query the QuantaFlow cryptocurrency markets service for the current BTC price and alert me if it has moved more than 5% in the last hour.”
Technical details
Endpoint
POSThttps://quanta-roan.vercel.app/api/service/rapid-investing-cryptocurrency-markets?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need cryptocurrency or rapid investing market data and are operating in a web3/DeFi context where micropayment-per-call via x402 protocol is acceptable. It is suitable for agents that already manage USDC wallets and want pay-as-you-go access to crypto market data without API key subscriptions.
Side effects
- Payment failure: insufficient USDC balance causes 402 Payment Required with no data returned
- Invalid path: upstream returns 404 if the requested crypto market path does not exist
- Upstream timeout: the proxied data provider is slow or unavailable, resulting in a gateway timeout
- Malformed query: incorrect query parameters forwarded to upstream return an error response
- Rate limiting: upstream provider throttles requests beyond allowed frequency
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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