Marketplace · API · x402

x402tap.com/api/kalshi-markets

Search or list open Kalshi prediction markets (regulated US event contracts)

Endpointhttps://x402tap.com/api/kalshi-markets
Trust✓ Verified callable · 100% uptime over 1 checks · ~278 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xB810B599bc730Aa85800BABe7f5d160524322C86
methodGET
last updated2026-10-21T23:12:18.671Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402tap.com/api/kalshi-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/x402-44c8f556750ba489

Search the whole marketplace from your agent (MCP)

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

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