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GamePulse Trading Card Deal Finder
x402
GamePulse Trading Card Deal Finder is a paid API for AI agents from gamepulse-zeta.vercel.app, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-15).
Analyzes the gap between eBay sold prices and active listings to surface underpriced trading cards ripe for arbitrage.
Price / call$0.15
Success—
StatusUnknown
How this service works
Trading card deal finder for card-investor and card-collector agents. Returns eBay sold-vs-listed gap analysis to surface underpriced listings for arbitrage.
Output
Returns a gap analysis comparing recent eBay sold prices against current active listings for trading cards, highlighting specific underpriced listings with their price discrepancy, potential arbitrage margin, and relevant card details to help a buyer act quickly.
Example use cases
Spot Magic the Gathering arbitrage deals
“Search for any Magic the Gathering cards listed on eBay right now where the seller's asking price is way below what similar cards have actually sold for recently — I want to find the biggest pricing gaps so I can buy and resell them quickly.”
Find underpriced sports card flips
“Show me sports cards that are currently listed for way less than they've been selling for lately on eBay — focus on high-volume sales so I know there's real demand and I can move them fast.”
Hunt Yu-Gi-Oh pricing inefficiencies
“Look for Yu-Gi-Oh cards on eBay where the listed price doesn't match up with what those same cards went for in recent sales — I'm looking for the biggest price gaps I can exploit.”
Technical details
Endpoint
GEThttps://gamepulse-zeta.vercel.app/api/cards/dealWhen to prefer
Use this endpoint when an agent needs to identify specific underpriced trading card listings with quantified arbitrage potential based on real eBay sold-vs-listed gap analysis. Prefer this over general card pricing endpoints when the goal is actionable buy opportunities rather than just market value lookup.
Side effects
- Card or set not found — no listings or sold history available
- Insufficient sales volume to compute a reliable gap — returns low-confidence or empty results
- eBay data temporarily unavailable — upstream fetch failure
- Invalid card query parameter — 400 error
- Payment not processed — 402 payment required before data is returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| card | string | card |
| game | string | game |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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