# QuantaFlow SERP Google Finance Markets

> QuantaFlow SERP Google Finance 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 2026-10-21).

Fetches Google Finance markets data (indices, currencies, futures, crypto) via a pay-per-call x402 micropayment gateway

## Facts

- Endpoint: POST https://quanta-roan.vercel.app/api/service/serp-google-finance-markets?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/quantaflow-serp-google-finance-markets-45c77619
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SRUr2Ixs1AKTZtbkzKB6g

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 quantaflow-serp-google-finance-markets-45c77619 -d '<json body>'
```

Example prompt: Pull the current Google Finance markets overview — I want to see major indices, currency rates, and futures prices right now.

## When to prefer this

Choose this endpoint when you need Google Finance market data (indices, forex, futures, crypto) with per-call micropayment billing via the x402 protocol — ideal for agents that need on-demand financial market snapshots without a subscription, paying only $0.01 USDC per call.

## Known failure modes

- Payment failure or insufficient USDC balance — x402 payment not processed, request blocked
- Upstream Google Finance SERP API unavailable or rate-limited — gateway returns error passthrough
- Invalid query parameters — malformed path or query object causes upstream rejection
- Network timeout on vercel.app deployment — transient 5xx response

## How this service works

Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.

## Output

The upstream Google Finance markets SERP data passed through as-is after successful x402 micropayment — typically includes market indices, currency pairs, futures, and crypto prices in structured JSON format.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "body": {
   "type": "string",
   "description": "Optional JSON body forwarded to POST requests."
  },
  "path": {
   "type": "string",
   "description": "Path below the selected upstream origin."
  },
  "query": {
   "type": "object"
  },
  "method": {
   "enum": [
    "GET",
    "POST"
   ],
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "description": "The upstream response body and content type are passed through after successful payment."
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/quantaflow-serp-google-finance-markets-45c77619/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from quanta-roan.vercel.app](https://www.zero.xyz/host/quanta-roan.vercel.app/llms.txt)