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Api Endpoint

StationFX

Average of Chicago Fed NFCI and St. Louis Fed Financial Stress Index, normalized to a common scale. Positive = tighter/more stressed than average, negative = looser/less stressed. Combines two complementary stress measures into a single composite signal. Pre-computed weekly.

Open interactive test console

Offering

Provider
stationfx.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://stationfx.com/economic-data/cross-signal/financial-conditions-composite-nfci-stlfsi
MIME type
application/json
First seen
2026-10-16T01:50:38.788Z
Last seen
Tags
economic-data, macro-signal, time-series, X402, USDC

Website

Payment pricing

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

Payment option 1
0.008 USDC
Atomic price: 8000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.008 USDC
Atomic price: 8000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "8000",
    "payTo": "0x22f7e9518dff04a5db1fddaabc0e001b8c425b3a"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "8000",
    "payTo": "3snkxosXCo6x5AEBRvnRG6wzJsvBaPpNd68Q2jJ4CVzW"
  }
]

Observed health

Status
Healthy
Latest latency
119 ms
Average latency
205 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",
      "description": "Always \"http\" for HTTP endpoints"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ],
      "description": "HTTP method. Always GET for StationFX query endpoints"
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "date_from": {
          "type": "string",
          "description": "Start date YYYY-MM-DD"
        },
        "date_to": {
          "type": "string",
          "description": "End date YYYY-MM-DD"
        },
        "fmt": {
          "type": "string",
          "enum": [
            "json",
            "toon"
          ],
          "description": "Response format. Use toon for compact agent-friendly output."
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "description": "HTTP method. Always GET for StationFX query endpoints",
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "date_from": {
              "description": "Start date YYYY-MM-DD",
              "type": "string"
            },
            "date_to": {
              "description": "End date YYYY-MM-DD",
              "type": "string"
            },
            "fmt": {
              "description": "Response format. Use toon for compact agent-friendly output.",
              "enum": [
                "json",
                "toon"
              ],
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "description": "Always \"http\" for HTTP endpoints",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "description": "Station f(x) computed cross-series signal: metadata plus one value per date",
          "properties": {
            "data": {
              "description": "Observations ordered by date ascending",
              "items": {
                "properties": {
                  "date": {
                    "description": "Observation date YYYY-MM-DD",
                    "type": "string"
                  },
                  "value": {
                    "description": "Computed signal value for that date",
                    "type": "number"
                  }
                },
                "type": "object"
              },
              "type": "array"
            },
            "meta": {
              "description": "Signal metadata: signal_key, label, signal_type, description, date_from, date_to",
              "type": "object"
            }
          },
          "type": "object"
        },
        "type": {
          "description": "Response format. Always \"json\" (or \"toon\" if fmt=toon was requested)",
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}