Marketplace · API · x402

www.x402pulse.dev/v1/whales

Polymarket whale trades: the largest recent buys and sells across all markets above a size you choose, with trader name, outcome, price and USD size. 5- and 15-minute crypto markets filtered out. Pair with /v1/wallet to check whether a whale is any good.

Endpointhttps://www.x402pulse.dev/v1/whales
Trust✓ Verified callable · 100% uptime over 1 checks · ~468 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x5e901f973C17E5542b4Da2A64C7fDc736B2A6e74
methodGET
last updated2026-10-30T07:52:25.879Z

Use it

Call it (an x402 client pays automatically)

curl -i https://www.x402pulse.dev/v1/whales
# 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-f0397518d2f31f7c

Search the whole marketplace from your agent (MCP)

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

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