Index onlineMerchant portal
Api Endpoint

PM Search

Search Polymarket prediction markets by free text: elections, Fed rates, crypto prices, sports, geopolitics, AI. Returns the top matching open markets with live odds (outcome probabilities), best bid/ask, spread, volume, liquidity, end date and event link as flat JSON. Prediction market search, event odds lookup, "what are the odds of X". $0.001 per call — 5x cheaper than comparable PM search.

Open interactive test console

Offering

Provider
x402.ottoai.services
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Prediction Markets
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402.ottoai.services/pm-search
MIME type
application/json
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
prediction market search, polymarket, odds lookup, event odds, market search

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.001 USDC
Atomic price: 1000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5"
  }
]

Observed health

Status
Healthy
Latest latency
1056 ms
Average latency
507 ms
HTTP status
402
Last checked
Reachability
100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "query": {
          "type": "string",
          "description": "Free-text search across open prediction markets (e.g. \"fed rate cut\", \"bitcoin 150k\", \"world cup\")"
        }
      },
      "required": [
        "query"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "enum": [
            "success",
            "unavailable"
          ]
        },
        "data": {},
        "meta": {
          "type": "object"
        },
        "reason": {
          "type": "string",
          "description": "status=unavailable only; every >=400 is UNCHARGED"
        }
      },
      "required": [
        "status"
      ]
    }
  },
  "required": [
    "type"
  ]
}