{
  "$schema": "http://json-schema.org/schema#",
  "type": "object",
  "properties": {
    "jrgen": {
      "description": "Version of the jrgen spec.",
      "type": "string",
      "enum": ["1.0", "1.1", "1.2"]
    },
    "jsonrpc": {
      "description": "Version of the json-rpc protocol.",
      "type": "string",
      "enum": ["2.0"]
    },
    "info": {
      "description": "Meta information about the api.",
      "type": "object",
      "properties": {
        "title": {
          "description": "Name of the api.",
          "type": "string",
          "minLength": 1
        },
        "description": {
          "description": "Description or usage information about the api.",
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          ]
        },
        "version": {
          "description": "Current version of the api.",
          "type": "string",
          "minLength": 3
        },
        "servers": {
          "description": "Server endpoints that implement this api.",
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "url": {
                "description": "URL to a server endpoint.",
                "type": "string",
                "format": "uri"
              },
              "description": {
                "description": "Description about the server.",
                "type": "string"
              }
            },
            "required": ["url"]
          }
        }
      },
      "required": ["title", "version"]
    },
    "definitions": {
      "description": "Global definitions for use in the api.",
      "type": "object"
    },
    "methods": {
      "description": "Definitions of the available procedures in the api. A key equals to the name of a procedure.",
      "type": "object",
      "patternProperties": {
        "^.*$": {
          "description": "Definition of an api procedure.",
          "type": "object",
          "properties": {
            "summary": {
              "description": "Short summary of what the procedure does.",
              "type": "string"
            },
            "description": {
              "description": "Longer description of what the procedure does.",
              "anyOf": [
                {
                  "type": "string"
                },
                {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                }
              ]
            },
            "tags": {
              "description": "Tags for grouping similar procedures.",
              "type": "array",
              "items": {
                "description": "Tag for the procedure.",
                "type": "string"
              }
            },
            "params": {
              "description": "JSON-Schema of the procedure params.",
              "type": "object",
              "$ref": "http://json-schema.org/schema#"
            },
            "result": {
              "description": "JSON-Schema of the procedure result.",
              "type": "object",
              "$ref": "http://json-schema.org/schema#"
            },
            "errors": {
              "description": "Definition of possible error responses.",
              "type": "array",
              "items": {
                "description": "Definition of an error response.",
                "type": "object",
                "properties": {
                  "description": {
                    "description": "Description of what went wrong.",
                    "type": "string"
                  },
                  "code": {
                    "description": "Unique error code.",
                    "type": "number"
                  },
                  "message": {
                    "description": "Unique error message,",
                    "type": "string"
                  },
                  "data": {
                    "description": "JSON-Schema of the additonal error data.",
                    "type": "object",
                    "$ref": "http://json-schema.org/schema#"
                  }
                },
                "required": ["code", "message"]
              }
            }
          },
          "required": ["summary"]
        }
      }
    }
  },
  "required": ["jrgen", "jsonrpc", "info", "methods"]
}