{
  "openapi": "3.0.4",
  "info": {
    "title": "Service Alerts API",
    "description": "API for retrieving Transit Service Alerts",
    "version": "1"
  },
  "paths": {
    "/alerts/{id}": {
      "get": {
        "tags": [
          "Alerts"
        ],
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "$ref": "#/components/schemas/IAlert"
                  }
                }
              }
            }
          },
          "400": {
            "description": "Bad Request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ProblemDetails"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error"
          }
        }
      }
    },
    "/alerts/alert/{id}": {
      "get": {
        "tags": [
          "Alerts"
        ],
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/IAlert"
                }
              }
            }
          },
          "400": {
            "description": "Bad Request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ProblemDetails"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error"
          }
        }
      }
    },
    "/alerts/all": {
      "get": {
        "tags": [
          "Alerts"
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "$ref": "#/components/schemas/IAlert"
                  }
                }
              }
            }
          },
          "400": {
            "description": "Bad Request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ProblemDetails"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error"
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "EntitySelector": {
        "type": "object",
        "properties": {
          "agency_id": {
            "type": "string",
            "nullable": true
          },
          "route_id": {
            "type": "string",
            "nullable": true
          },
          "route_type": {
            "type": "integer",
            "format": "int32"
          },
          "direction_id": {
            "type": "integer",
            "format": "int32",
            "nullable": true
          },
          "direction_text": {
            "type": "string",
            "nullable": true
          },
          "trip": {
            "$ref": "#/components/schemas/TripDescriptor"
          },
          "stop_id": {
            "type": "string",
            "nullable": true
          },
          "route_label": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          }
        },
        "additionalProperties": false
      },
      "IAlert": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          },
          "last_modified_timestamp": {
            "type": "integer",
            "format": "int32",
            "readOnly": true
          },
          "alert_lifecycle": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          },
          "active_period": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/TimeRange"
            },
            "nullable": true,
            "readOnly": true
          },
          "informed_entity": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/EntitySelector"
            },
            "nullable": true,
            "readOnly": true
          },
          "cause": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          },
          "effect": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          },
          "effect_detail": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          },
          "url": {
            "$ref": "#/components/schemas/TranslatedString"
          },
          "header_text": {
            "$ref": "#/components/schemas/TranslatedString"
          },
          "description_text": {
            "$ref": "#/components/schemas/TranslatedString"
          },
          "severity_level": {
            "type": "string",
            "nullable": true,
            "readOnly": true
          },
          "image": {
            "$ref": "#/components/schemas/Image"
          }
        },
        "additionalProperties": false
      },
      "Image": {
        "type": "object",
        "properties": {
          "localized_image": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/LocalizedImage"
            },
            "nullable": true
          }
        },
        "additionalProperties": false
      },
      "LocalizedImage": {
        "type": "object",
        "properties": {
          "url": {
            "type": "string",
            "nullable": true
          },
          "media_type": {
            "type": "string",
            "nullable": true
          },
          "language": {
            "type": "string",
            "nullable": true
          }
        },
        "additionalProperties": false
      },
      "ProblemDetails": {
        "type": "object",
        "properties": {
          "type": {
            "type": "string",
            "nullable": true
          },
          "title": {
            "type": "string",
            "nullable": true
          },
          "status": {
            "type": "integer",
            "format": "int32",
            "nullable": true
          },
          "detail": {
            "type": "string",
            "nullable": true
          },
          "instance": {
            "type": "string",
            "nullable": true
          }
        },
        "additionalProperties": {}
      },
      "TimeRange": {
        "type": "object",
        "properties": {
          "start": {
            "type": "integer",
            "format": "int64"
          },
          "end": {
            "type": "integer",
            "format": "int64",
            "nullable": true
          }
        },
        "additionalProperties": false
      },
      "TranslatedString": {
        "type": "object",
        "properties": {
          "translation": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/Translation"
            },
            "nullable": true
          }
        },
        "additionalProperties": false
      },
      "Translation": {
        "type": "object",
        "properties": {
          "text": {
            "type": "string",
            "nullable": true
          },
          "language": {
            "type": "string",
            "nullable": true
          }
        },
        "additionalProperties": false
      },
      "TripDescriptor": {
        "type": "object",
        "properties": {
          "trip_id": {
            "type": "string",
            "nullable": true
          },
          "route_id": {
            "type": "string",
            "nullable": true
          },
          "direction_id": {
            "type": "integer",
            "format": "int32"
          },
          "direction_text": {
            "type": "string",
            "nullable": true
          }
        },
        "additionalProperties": false
      }
    }
  },
  "tags": [
    {
      "name": "Alerts"
    }
  ]
}