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Api Endpoint

Prediction Market Volume API

Time-bucketed total prediction-market volume across all exchanges.

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Offering

Provider
api.predictionmarketdata.io
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://api.predictionmarketdata.io/prediction-total-volume
MIME type
Not provided
First seen
2026-10-16T01:59:37.852Z
Last seen
Tags
None supplied

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
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x995c0abdcd2ad76548e5f7deb54d32549b2b781f"
  }
]

Observed health

Status
Healthy
Latest latency
68 ms
Average latency
164 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": {
        "from": {
          "type": "string",
          "description": "UTC start timestamp in ISO-8601 format."
        },
        "to": {
          "type": "string",
          "description": "UTC end timestamp in ISO-8601 format."
        },
        "interval": {
          "type": "string",
          "description": "Bucket size in milliseconds."
        }
      },
      "required": [
        "from",
        "to",
        "interval"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object"
    }
  },
  "required": [
    "type"
  ]
}