Marketplace · API · x402

api.annalist.dev/v1/outcomes/market

One Hyperliquid outcome (prediction) market by id: readable title, structured details (teams, thresholds, deadlines, official source), each side's implied probability, 24h change, volume and outstanding value, its question, and a week of hourly prices per side. Ids come from /v1/outcomes/list. Signed. Not investment advice.

Endpointhttps://api.annalist.dev/v1/outcomes/market
Trust✓ Verified callable · 100% uptime over 1 checks · ~370 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xDE4805678438b6bfBbFE047fFF305C928653Fe17
methodGET
last updated2026-11-09T12:00:46.831Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.annalist.dev/v1/outcomes/market
# 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/x402-96d7943c6b31b6a7

Search the whole marketplace from your agent (MCP)

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

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