Tool detail

Otto AI

Returns top open Polymarket crypto prediction markets (BTC, ETH) with implied odds, best bid/ask, spread, volume, liquidity and price change, refreshed every 5 minutes.

Categories: Prediction markets, Market prices

Use when

find current Polymarket odds for a Bitcoin price target
check implied probability of an ETH prediction market event
get bid/ask spread and liquidity for a crypto prediction market

Not for

not a general prediction-market search across all topics — crypto markets only
not historical odds — current snapshot only

Inputs

GET, no query params or body

Admitted input schema

{
  "type": "object",
  "properties": {},
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://x402.ottoai.services/pm-crypto

Payment

Protocol: x402
Listed price: 0.001 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://x402.ottoai.services/pm-crypto
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z