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BizIntel API – eBay Product Trends
x402
BizIntel API – eBay Product Trends is a paid API for AI agents from bizintel-api.hahavoid0.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Returns current eBay market trend data for a given product, including average price and number of listings analyzed
Price / call$0.001
Success—
StatusUnknown
How this service works
Parses active and completed listings on eBay to determine average resale pricing trends.
Output
Returns a JSON object with the average sale price of the queried product on eBay, the number of listings analyzed to derive that estimate, a confidence rating (e.g. 'high'), the data freshness date (month/year), a 'supported' boolean indicating whether the query was resolvable, any warnings, and a disclaimer about informational use only.
Example use cases
Resale price check before selling
“I'm about to list my iPhone 13 on eBay — what's the average price it's selling for right now so I can price it competitively?”
Secondhand market research for buyers
“Before I buy a used Nintendo Switch on eBay, can you tell me what the average asking price is and how confident we are in that estimate?”
Inventory valuation for e-commerce business
“I need to value my stock of Samsung Galaxy S21s — what's the current average eBay market price based on recent listings?”
Technical details
Endpoint
POSThttps://bizintel-api.hahavoid0.workers.dev/product/ebay-trendsWhen to prefer
Choose this endpoint when you need a quick, pay-per-call eBay market price estimate without setting up an API key or OAuth flow. It is ideal for one-off resale valuations, pricing intelligence, or inventory benchmarking where a real-time eBay data snapshot is sufficient. Prefer it over scraping or full eBay API integration when low setup overhead and micro-payment billing (USDC on Base) are acceptable tradeoffs.
Side effects
- Unsupported or ambiguous product query may return supported:false with low or no price data
- Very niche products with few listings may return a low confidence rating or sparse listings_analyzed count
- Overly generic queries (e.g. 'phone') may return imprecise or averaged results
- Payment failure via x402/USDC may prevent the call from completing
- Network timeout on the Cloudflare Worker may result in a 5xx error with no result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"average_price": 380,
"listings_analyzed": 5
},
"warnings": [],
"supported": true,
"confidence": "high",
"data_as_of": "2026-06",
"disclaimer": "Informational support only. Not legal, tax, medical, veterinary, or financial advice. Verify with the cited official source or a qualified professional before acting."
}
}Tags
x402
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