Index onlineMerchant portal
Api Endpoint

PM Crypto

Crypto prediction markets on Polymarket: the highest-volume open BTC, ETH and crypto markets with live odds (outcome probabilities), best bid/ask, spread, 24h + total volume, liquidity, price change and end date. "Bitcoin above X", price targets, ETF and protocol events — what the prediction market ACTUALLY prices in, as flat JSON refreshed every 5 minutes. Crypto odds, Bitcoin prediction market, ETH probability. $0.001 per call.

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-crypto
MIME type
application/json
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
crypto odds, polymarket, bitcoin prediction, Prediction Markets, eth odds

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
140 ms
Average latency
335 ms
HTTP status
402
Last checked
Reachability
100% over 14 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": {}
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "data": {
      "venue": "polymarket",
      "markets": [
        {
          "url": "https://polymarket.com/event/bitcoin-above-what-on-july-10",
          "slug": "will-bitcoin-be-above-130000-on-july-10",
          "spread": 0.02,
          "bestAsk": 0.63,
          "bestBid": 0.61,
          "endDate": "2026-07-10T22:00:00Z",
          "marketId": "531244",
          "outcomes": [
            {
              "outcome": "Yes",
              "probability": 0.62
            },
            {
              "outcome": "No",
              "probability": 0.38
            }
          ],
          "question": "Will Bitcoin be above $130,000 on July 10?",
          "eventTitle": "Bitcoin above ___ on July 10?",
          "conditionId": "0x99a1b2c3d4e5f60718293a4b5c6d7e8f9021324354657687980a1b2c3d4e5f60",
          "liquidityUsd": 421889.2,
          "volume24hUsd": 1120433.8,
          "lastTradePrice": 0.62,
          "volumeTotalUsd": 5901220.4,
          "oneDayPriceChange": -0.04,
          "oneWeekPriceChange": 0.11
        }
      ],
      "generatedAt": "2026-07-10T12:00:00.000Z",
      "marketCount": 25,
      "totalVolume24hUsd": 18240771.6
    },
    "meta": {
      "degraded": false,
      "validUntil": "",
      "generatedAt": "",
      "stalenessSec": 0
    },
    "status": "success"
  }
}