Api Endpoint

Darkly Energized

Federal Reserve Total Assets (USD) ($0.05): Federal Reserve total assets in USD. One central bank balance sheet converted to USD, comparable with the others. Macro liquidity from central bank balance sheets, not order-book or market-depth liquidity.

Open interactive test console

Offering

Provider
darklyenergized.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://darklyenergized.com/api/v1/x402/series/cb_usd_walcl
MIME type
application/json
First seen
2026-10-16T01:50:19.913Z
Last seen
Tags
macro-liquidity, fed-balance-sheet, central-banks, macro-indicators, market-data, Liquidity, Macro, balance-sheets, USD

Payment pricing

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

Payment option 1
0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0x540B090cF83D74eaAf12fAAacd1B8f481a1B5501"
  }
]

Observed health

Status
Healthy
Latest latency
66 ms
Average latency
64 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",
          "format": "date",
          "description": "Start date (YYYY-MM-DD)"
        },
        "to": {
          "type": "string",
          "format": "date",
          "description": "End date (YYYY-MM-DD)"
        },
        "limit": {
          "type": "integer",
          "minimum": 1,
          "maximum": 10000,
          "default": 500,
          "description": "Most data points to return, oldest first"
        },
        "after": {
          "type": "string",
          "format": "date",
          "description": "Return points after this date (meta.pagination.cursor)"
        },
        "summary": {
          "type": "boolean",
          "default": false,
          "description": "Return a statistical summary instead of the data points"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "after": {
              "description": "Return points after this date (meta.pagination.cursor)",
              "format": "date",
              "type": "string"
            },
            "from": {
              "description": "Start date (YYYY-MM-DD)",
              "format": "date",
              "type": "string"
            },
            "limit": {
              "default": 500,
              "description": "Most data points to return, oldest first",
              "maximum": 10000,
              "minimum": 1,
              "type": "integer"
            },
            "summary": {
              "default": false,
              "description": "Return a statistical summary instead of the data points",
              "type": "boolean"
            },
            "to": {
              "description": "End date (YYYY-MM-DD)",
              "format": "date",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "oneOf": [
            {
              "properties": {
                "data": {
                  "properties": {
                    "category": {
                      "type": "string"
                    },
                    "data": {
                      "items": {
                        "properties": {
                          "time": {
                            "example": "2026-02-14",
                            "format": "date",
                            "type": "string"
                          },
                          "value": {
                            "description": "Null where the series has no value on that date (for example while a computed series warms up).",
                            "example": 1.23,
                            "type": [
                              "number",
                              "null"
                            ]
                          }
                        },
                        "required": [
                          "time",
                          "value"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "description": {
                      "type": "string"
                    },
                    "frequency": {
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "unit": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "description",
                    "category",
                    "frequency",
                    "data"
                  ],
                  "type": "object"
                },
                "meta": {
                  "properties": {
                    "count": {
                      "type": "integer"
                    },
                    "dataRange": {
                      "properties": {
                        "from": {
                          "format": "date",
                          "type": "string"
                        },
                        "to": {
                          "format": "date",
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "freshness": {
                      "properties": {
                        "frequency": {
                          "type": "string"
                        },
                        "isStale": {
                          "type": "boolean"
                        },
                        "lastObservation": {
                          "format": "date",
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "pagination": {
                      "properties": {
                        "cursor": {
                          "type": "string"
                        },
                        "hasMore": {
                          "type": "boolean"
                        },
                        "total": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "timestamp": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "timestamp"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "data",
                "meta"
              ],
              "type": "object"
            },
            {
              "properties": {
                "data": {
                  "properties": {
                    "category": {
                      "type": "string"
                    },
                    "description": {
                      "type": "string"
                    },
                    "frequency": {
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "interpretation": {
                      "example": "Federal Reserve Total Assets is at 6.78T, up 0.3% this week. All Federal Reserve Banks: Total Assets.",
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "summary": {
                      "properties": {
                        "changes": {
                          "additionalProperties": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "description": "Percent changes for standard periods; null where the series has too little data for that period",
                          "example": {
                            "1M": -3.1,
                            "1W": 5.2,
                            "1Y": 15.3,
                            "3M": 12.4,
                            "6M": -8.7
                          },
                          "type": "object"
                        },
                        "count": {
                          "type": "integer"
                        },
                        "dateRange": {
                          "properties": {
                            "from": {
                              "format": "date",
                              "type": "string"
                            },
                            "to": {
                              "format": "date",
                              "type": "string"
                            }
                          },
                          "type": "object"
                        },
                        "latest": {
                          "properties": {
                            "time": {
                              "format": "date",
                              "type": "string"
                            },
                            "value": {
                              "type": [
                                "number",
                                "null"
                              ]
                            }
                          },
                          "type": "object"
                        },
                        "range": {
                          "properties": {
                            "avg": {
                              "type": [
                                "number",
                                "null"
                              ]
                            },
                            "max": {
                              "type": [
                                "number",
                                "null"
                              ]
                            },
                            "min": {
                              "type": [
                                "number",
                                "null"
                              ]
                            }
                          },
                          "type": "object"
                        }
                      },
                      "required": [
                        "latest",
                        "changes",
                        "range",
                        "count",
                        "dateRange"
                      ],
                      "type": "object"
                    },
                    "unit": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "description",
                    "summary",
                    "interpretation"
                  ],
                  "type": "object"
                },
                "meta": {
                  "properties": {
                    "count": {
                      "type": "integer"
                    },
                    "dataRange": {
                      "properties": {
                        "from": {
                          "format": "date",
                          "type": "string"
                        },
                        "to": {
                          "format": "date",
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "freshness": {
                      "properties": {
                        "frequency": {
                          "type": "string"
                        },
                        "isStale": {
                          "type": "boolean"
                        },
                        "lastObservation": {
                          "format": "date",
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "pagination": {
                      "properties": {
                        "cursor": {
                          "type": "string"
                        },
                        "hasMore": {
                          "type": "boolean"
                        },
                        "total": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "timestamp": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "timestamp"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "data",
                "meta"
              ],
              "type": "object"
            }
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}