Marketplace · API · x402

api.annalist.dev/v1/outcomes/list

Every live Hyperliquid outcome (prediction) market: readable title, category (sports, price, ipo, policy_rate, awards), deadline, each side's price as implied probability with its 24h change, and 24h volume, most traded first. Filter with category and q (text search). On-chain data. Signed. Not investment advice.

Endpointhttps://api.annalist.dev/v1/outcomes/list
Trust✓ Verified callable · 100% uptime over 1 checks · ~357 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xDE4805678438b6bfBbFE047fFF305C928653Fe17
methodGET
last updated2026-11-09T12:01:15.469Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.annalist.dev/v1/outcomes/list
# 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/x402-09fc86ed60104628

Search the whole marketplace from your agent (MCP)

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

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