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PennyRail Market Trending Sellers Intelligence
x402
PennyRail Market Trending Sellers Intelligence is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-20).
Returns trending seller data and market intelligence for x402 payment protocol participants
Price / call$0.005
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
A JSON object containing trending seller data from the x402 marketplace, likely including seller identifiers, ranking metrics, usage signals, and market position indicators for top-performing x402 API providers.
Example use cases
Discover top x402 API sellers
“Who are the hottest sellers trending on the x402 marketplace today? I want to find the most popular API providers I should know about.”
Competitive market research for x402
“I'm launching an x402 API and want to understand the competitive landscape — can you pull up which sellers are currently trending so I know what I'm up against?”
Curate a list of popular paid APIs
“Help me put together a list of the top trending x402 sellers right now — I want to integrate some popular micropayment APIs into my project.”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/p/intel/market.x402-trending--x402-sellers-trending?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to discover which sellers or API providers are gaining traction within the x402 micropayment ecosystem specifically. Prefer this over generic API directory lookups when the focus is on x402-protocol-native sellers and their market momentum.
Side effects
- Empty or sparse market data if few x402 sellers are active
- Payment failure (402) if USDC balance is insufficient for the $0.005 call fee
- Opaque response schema due to additionalProperties:true making output structure unpredictable
- Service unavailability on Vercel cold start
- Generic input schema provides no guidance on valid filter parameters
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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