{
  "openapi": "3.0.1",
  "info": {
    "title": "OpenCost API",
    "description": "The OpenCost API provides real-time and historical reporting of Kubernetes cloud costs.",
    "license": {
      "name": "Apache 2.0",
      "url": "https://www.apache.org/licenses/LICENSE-2.0.html"
    },
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "http://localhost:9003",
      "description": "kubectl port-forward --namespace opencost service/opencost 9003"
    }
  ],
  "paths": {
    "/allocation": {
      "get": {
        "summary": "query for costs and resources allocated to Kubernetes workloads",
        "description": "The standard OpenCost API query for costs and resources allocated to Kubernetes workloads.  Note that 'data' is an array of sets (one per 'step').\n",
        "parameters": [
          {
            "name": "window",
            "in": "query",
            "required": true,
            "description": "Duration of time over which to query. Accepts: words like `today`, `lastweek`; durations like `30m`, `7d`; RFC3339 date pairs; or Unix timestamps.",
            "schema": {
              "type": "string"
            },
            "examples": {
              "today": {
                "value": "today"
              },
              "lastweek": {
                "value": "lastweek"
              },
              "range": {
                "value": "2024-01-01T00:00:00Z,2024-01-02T00:00:00Z"
              }
            }
          },
          {
            "name": "aggregate",
            "in": "query",
            "description": "Field by which to aggregate. e.g., `namespace`, `controller`, `label:app`.",
            "schema": {
              "type": "string"
            },
            "example": "namespace"
          },
          {
            "name": "step",
            "in": "query",
            "description": "Duration of a single allocation set. Default is `window`.",
            "schema": {
              "type": "string"
            },
            "example": "1d"
          },
          {
            "name": "accumulate",
            "in": "query",
            "description": "If true, sums the entire window into a single result set.",
            "schema": {
              "type": "boolean"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Success",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/AllocationResponse"
                }
              }
            }
          }
        }
      }
    },
    "/assets": {
      "get": {
        "summary": "query for underlying infrastructure assets",
        "description": "Returns the costs of Nodes, Disks, and Load Balancers.",
        "parameters": [
          {
            "name": "window",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Success",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/AssetsResponse"
                }
              }
            }
          }
        }
      }
    },
    "/cloudCost": {
      "get": {
        "summary": "query for cloud provider billing data",
        "description": "Retrieves non-K8s cloud provider costs via cloud integration.",
        "parameters": [
          {
            "name": "window",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Success",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/CloudCostResponse"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "AllocationResponse": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer"
          },
          "status": {
            "type": "string"
          },
          "data": {
            "type": "array",
            "items": {
              "type": "object",
              "additionalProperties": {
                "$ref": "#/components/schemas/Allocation"
              }
            }
          }
        }
      },
      "Allocation": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "cpuCost": {
            "type": "number"
          },
          "cpuCoreUsageAverage": {
            "type": "number"
          },
          "ramCost": {
            "type": "number"
          },
          "ramByteUsageAverage": {
            "type": "number"
          },
          "pvCost": {
            "type": "number"
          },
          "networkCost": {
            "type": "number"
          },
          "sharedCost": {
            "type": "number"
          },
          "externalCost": {
            "type": "number"
          },
          "totalCost": {
            "type": "number"
          },
          "minutes": {
            "type": "number"
          },
          "window": {
            "type": "object",
            "properties": {
              "start": {
                "type": "string",
                "format": "date-time"
              },
              "end": {
                "type": "string",
                "format": "date-time"
              }
            }
          },
          "properties": {
            "type": "object",
            "additionalProperties": {
              "type": "string"
            }
          }
        }
      },
      "AssetsResponse": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer"
          },
          "status": {
            "type": "string"
          },
          "data": {
            "type": "object",
            "additionalProperties": {
              "$ref": "#/components/schemas/Asset"
            }
          }
        }
      },
      "Asset": {
        "type": "object",
        "properties": {
          "type": {
            "type": "string"
          },
          "totalCost": {
            "type": "number"
          },
          "cpuCost": {
            "type": "number"
          },
          "ramCost": {
            "type": "number"
          },
          "providerID": {
            "type": "string"
          },
          "window": {
            "type": "object",
            "properties": {
              "start": {
                "type": "string",
                "format": "date-time"
              },
              "end": {
                "type": "string",
                "format": "date-time"
              }
            }
          }
        }
      },
      "CloudCostResponse": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer"
          },
          "status": {
            "type": "string"
          },
          "data": {
            "type": "object",
            "properties": {
              "sets": {
                "type": "array",
                "items": {
                  "$ref": "#/components/schemas/CloudCostSet"
                }
              }
            }
          }
        }
      },
      "CloudCostSet": {
        "type": "object",
        "properties": {
          "cloudCosts": {
            "type": "object",
            "additionalProperties": {
              "$ref": "#/components/schemas/CloudCostItem"
            }
          }
        }
      },
      "CloudCostItem": {
        "type": "object",
        "properties": {
          "netCost": {
            "type": "object",
            "properties": {
              "cost": {
                "type": "number"
              }
            }
          }
        }
      }
    }
  }
}