{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://specmatic.io/schemas/contract",
  "title": "Specmatic Contract",
  "description": "Represents an API contract in the Specmatic platform, derived from an API specification file.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the contract."
    },
    "name": {
      "type": "string",
      "description": "Human-readable name for the contract."
    },
    "specificationFormat": {
      "type": "string",
      "enum": ["OpenAPI", "AsyncAPI", "gRPC", "GraphQL", "WSDL", "Arazzo", "Avro"],
      "description": "Format of the API specification that defines the contract."
    },
    "specificationVersion": {
      "type": "string",
      "description": "Version of the specification format (e.g., '3.1.0' for OpenAPI)."
    },
    "protocol": {
      "type": "string",
      "enum": [
        "HTTP", "Kafka", "JMS", "AMQP", "SOAP", "Redis", "gRPC",
        "GraphQL", "GooglePubSub", "RabbitMQ", "ActiveMQ", "AWSSNS",
        "AWSSQS", "AWSEventBridge", "IBMMQ", "MQTT", "WebSocket", "MCP"
      ],
      "description": "Communication protocol the contract covers."
    },
    "specificationUrl": {
      "type": "string",
      "format": "uri",
      "description": "URL or file path to the raw specification file."
    },
    "backwardCompatible": {
      "type": "boolean",
      "description": "Whether the current version is backward compatible with the previous version."
    },
    "coveragePercent": {
      "type": "number",
      "minimum": 0,
      "maximum": 100,
      "description": "Percentage of specification paths/operations covered by tests."
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the contract was first registered."
    },
    "updatedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of the last contract update."
    }
  },
  "required": ["id", "name", "specificationFormat", "protocol"],
  "additionalProperties": false
}