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Optix402 Underpriced Endpoints Finder
x402
Optix402 Underpriced Endpoints Finder is a paid API for AI agents from optinx402.vercel.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-13).
Identifies underpriced API endpoints in the x402 ecosystem that may represent market arbitrage or value opportunities
Price / call$0.05
Success—
StatusUnknown
How this service works
Real-time analytics for the x402 ecosystem. 30 endpoints covering market intelligence, buyer analytics, competitive analysis, revenue tracking, and ecosystem health.
Output
Returns a JSON object with an 'items' array listing x402 endpoints currently identified as underpriced, likely including endpoint names, prices, and relevant market metadata.
Example use cases
Scout bargain APIs for cost optimization
“Hey, can you check the x402 marketplace and pull up any APIs that look underpriced right now? I'm trying to cut down on our API spend and want to swap out some of our current calls for cheaper alternatives that do the same job.”
Find arbitrage opportunities in x402
“I'm researching arbitrage plays in the x402 ecosystem — can you hit the marketplace intelligence feed and show me which endpoints are currently priced below their apparent market value so I can flag them before the pricing catches up?”
Discover undervalued APIs for new features
“We're scoping out some new capabilities to add to our product and I don't want to overpay. Can you scan the x402 marketplace for undervalued endpoints that might be worth integrating while they're still cheap?”
Technical details
Endpoint
GEThttps://optinx402.vercel.app/api/underpricedWhen to prefer
Use this endpoint when you want to discover low-cost or undervalued APIs within the x402 ecosystem specifically — particularly for arbitrage research, cost optimization, or scouting new capabilities at minimal spend. Prefer this over general API directories when your focus is x402 payment-gated services and pricing analytics.
Side effects
- Empty items array returned if no underpriced endpoints are currently detected
- 402 Payment Required if the $0.05 USDC payment is not attached
- Network or Vercel cold-start latency causing timeout
- Stale data if the underlying analytics pipeline has not refreshed recently
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"items": []
}
}Tags
x402
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