Marketplace · API · x402

www.x402financialdata.com/trending-markets

Top active prediction markets by 24h trading volume on Polymarket -- what's trending right now, no keyword needed. Pairs with /prediction-markets (keyword search) and /prediction-market (exact-ID lookup): use this one when you don't already know what to search for. Not ticker-specific. Supports optional limit (default 10, max 25). $0.01/call.

Endpoint	`https://www.x402financialdata.com/trending-markets`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~354 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xe4181c7de066959bcca010525304ba68a84768e0
method	GET
last updated	2026-11-13T08:05:45.304Z

Use it

Call it (an x402 client pays automatically)

curl -i https://www.x402financialdata.com/trending-markets
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-839a3bcfc68712c1

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}