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QuantaFlow - Rapid eBay Average Selling Price
x402
QuantaFlow - Rapid eBay Average Selling Price is a paid API for AI agents from quanta-roan.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).
Retrieves the average selling price of items on eBay via a pay-per-call x402 gateway for $0.01 USDC per request
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
Returns eBay average selling price data for a queried product, typically including average sold price figures derived from recent eBay sold listings, passed through from the upstream RapidAPI eBay data source.
Example use cases
Reseller profit margin check
“Before I buy a batch of vintage Levi's jeans at the thrift store, can you pull the average eBay selling price so I can figure out if the margins are worth it?”
eBay listing price guidance
“I'm about to list my old Canon EOS 5D Mark III on eBay — what's the average price these are actually selling for so I can price mine competitively?”
Product arbitrage research
“I found some Apple AirPods Pro 2nd gen at a liquidation sale for $80 each — can you check the average eBay selling price to see if there's a real arbitrage opportunity here?”
Technical details
Endpoint
POSThttps://quanta-roan.vercel.app/api/service/rapid-ebay-average-selling-price?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need quick, pay-per-call eBay average sold price data without a subscription, especially in agentic workflows where micro-payments via x402/USDC are already supported and per-request billing at $0.01 is preferable to managing API keys or monthly plans.
Side effects
- Payment failure if USDC balance is insufficient or x402 payment header is malformed
- Upstream API timeout or rate limiting from the RapidAPI eBay data source
- No results found if search query is too niche or misspelled
- Invalid query parameters resulting in upstream 400 error
- Upstream eBay data unavailability causing 502/503 passthrough
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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