Marketplace · API · x402

x402.botsmith.dev/kalshi/markets

Kalshi Markets ($0.01/call): Search and list open Kalshi prediction markets (CFTC-regulated, US). Filter by series ticker (e.g. KXFED for Fed rate decisions, KXBTCD for daily Bitcoin price) or event ticker, and narrow by keywords; busiest first, with implied probability, YES/NO bid and ask, last trade, 24h volume, open interest and close time for each. Each call reads one upstream page of 200 open markets (keywords filter that page, so pair them with a series) and returns a cursor for

Endpointhttps://x402.botsmith.dev/kalshi/markets
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xcb9b3F94387389e38EF2A7b3C0B851FB8325d7e9
methodGET
last updated2026-11-11T00:35:02.458Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402.botsmith.dev/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/x402-6b37ed1515ec258d

Search the whole marketplace from your agent (MCP)

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

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