{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "properties": {
        "provider_key": {
            "type": "string"
        },
        "services": {
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "id": {
                        "type": "integer"
                    },
                    "backend_authentication_type": {
                        "type": "string",
                        "enum": [
                            "provider_key",
                            "service_token"
                        ]
                    },
                    "backend_authentication_value": {
                        "type": "string"
                    },
                    "backend_version": {
                        "type": "string",
                        "enum": [
                            "1",
                            "2",
                            "oauth"
                        ]
                    },
                    "backend": {
                        "type": "object",
                        "properties": {
                            "endpoint": {
                                "type": "string"
                            },
                            "host": {
                                "type": "string"
                            }
                        },
                        "required": [
                            "endpoint"
                        ]
                    },
                    "proxy": {
                        "type": "object",
                        "properties": {
                            "api_backend": {
                                "type": "string"
                            },
                            "hosts": {
                                "type": "array",
                                "items": {
                                    "type": "string"
                                }
                            },
                            "proxy_rules": {
                                "type": "array",
                                "items": {
                                    "type": "object",
                                    "properties": {
                                        "http_method": {
                                            "type": "string"
                                        },
                                        "pattern": {
                                            "type": "string"
                                        },
                                        "metric_system_name": {
                                            "type": "string"
                                        },
                                        "delta": {
                                            "type": "integer"
                                        }
                                    },
                                    "required": [
                                        "http_method",
                                        "pattern",
                                        "metric_system_name",
                                        "delta"
                                    ]
                                }
                            }
                        },
                        "required": [
                            "api_backend",
                            "hosts",
                            "proxy_rules"
                        ]
                    }
                },
                "required": [
                    "id",
                    "backend_authentication_type",
                    "backend_authentication_value",
                    "backend_version",
                    "proxy"
                ]
            }
        }
    },
    "required": [
        "services"
    ]
}