Index onlineMerchant portal
Api Endpoint

pjm-nowcast

PJM zonal spread jump probability. empirical probability card for the evening congestion bar. whenToUse: next on-peak day or trailing congestion-season check. whenNotToUse: month-ahead, season-ahead, Black vol, a price forecast.

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Offering

Provider
pjm-nowcast-production.up.railway.app
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://pjm-nowcast-production.up.railway.app/v1/spread/probability-card
MIME type
application/json
First seen
2026-10-16T02:01:55.574Z
Last seen
Tags
pjm, spread, on-peak, residual, jump

Website

Payment pricing

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

Payment option 1
0.25 USDC
Atomic price: 250000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
250000 atomic units
Atomic price: 250000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "250000",
    "payTo": "0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "USDC",
    "amount": "250000",
    "payTo": "DCi9X5mmacNGLeJvCw9fdWgX3G8V4QquDn4EuXATkcYr"
  }
]

Observed health

Status
Reachable
Latest latency
100 ms
Average latency
478 ms
HTTP status
405
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

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "additionalProperties": false,
      "properties": {
        "asOf": {
          "description": "Optional ISO-8601 sample end. Default: now.",
          "type": "string"
        },
        "lookbackDays": {
          "default": 5,
          "description": "Trailing on-peak EPT weekdays (skip weekends and NERC holidays). Default 5, max 30.",
          "maximum": 30,
          "minimum": 1,
          "type": "integer"
        }
      },
      "required": [
        "lookbackDays"
      ],
      "type": "object"
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "input"
  ],
  "properties": {
    "input": {
      "type": "object",
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "properties": {
        "body": {
          "type": "object",
          "required": [
            "lookbackDays"
          ],
          "properties": {
            "asOf": {
              "type": "string",
              "description": "Optional ISO-8601 sample end. Default: now."
            },
            "lookbackDays": {
              "type": "integer",
              "default": 5,
              "maximum": 30,
              "minimum": 1,
              "description": "Trailing on-peak EPT weekdays (skip weekends and NERC holidays). Default 5, max 30."
            }
          },
          "additionalProperties": false
        },
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "output": {
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "type": {
          "type": "string"
        },
        "example": {
          "type": "object",
          "example": {
            "K": 12.4,
            "sample": {
              "tag": "high-congestion-season",
              "dayCount": 5
            },
            "hitRate": 0.4,
            "avgPayoff": 1.8
          },
          "properties": {
            "K": {
              "type": "number"
            },
            "sample": {
              "type": "object",
              "properties": {
                "tag": {
                  "type": "string",
                  "const": "high-congestion-season"
                },
                "dayCount": {
                  "type": "integer"
                },
                "lastEptDate": {
                  "type": "string"
                },
                "firstEptDate": {
                  "type": "string"
                }
              }
            },
            "hitDays": {
              "type": "integer"
            },
            "hitRate": {
              "type": "number"
            },
            "avgPayoff": {
              "type": "number"
            },
            "buyerBeware": {
              "type": "string"
            },
            "dailyMaxP50": {
              "type": "number"
            },
            "dailyMaxP95": {
              "type": "number"
            },
            "latestNowcast": {
              "type": "object"
            },
            "latestCompleteDay": {
              "type": "object"
            }
          },
          "description": "empirical probability card. Empirical only. Not a forecast, not a mid."
        }
      }
    }
  }
}