{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/d-id/main/json-schema/d-id-agent-schema.json",
  "title": "D-ID Agent",
  "description": "Schema for a D-ID interactive AI agent.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique agent identifier."
    },
    "preview_description": {
      "type": "string",
      "description": "Human-readable description of the agent."
    },
    "presenter": {
      "type": "object",
      "description": "Avatar presenter configuration.",
      "properties": {
        "type": {
          "type": "string",
          "enum": ["talk", "clip", "expressive"],
          "description": "Presenter type (talk = V2 photo, clip = V3 personal, expressive = V4)."
        },
        "source_url": {
          "type": "string",
          "format": "uri"
        },
        "presenter_id": {
          "type": "string"
        },
        "voice": {
          "type": "object",
          "properties": {
            "type": { "type": "string" },
            "voice_id": { "type": "string" }
          }
        }
      },
      "required": ["type"]
    },
    "llm": {
      "type": "object",
      "description": "Language model configuration.",
      "properties": {
        "provider": {
          "type": "string",
          "enum": ["openai", "google", "d-id", "custom", "external"]
        },
        "model": {
          "type": "string"
        },
        "instructions": {
          "type": "string",
          "description": "System prompt / persona instructions."
        },
        "template": {
          "type": "string"
        }
      }
    },
    "knowledge": {
      "type": "object",
      "description": "Knowledge base configuration for RAG.",
      "properties": {
        "id": {
          "type": "string"
        }
      }
    },
    "starter_message": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Suggested conversation starters displayed to users."
    },
    "greetings": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Greeting messages; one is selected randomly per session."
    },
    "provider": {
      "type": "string",
      "const": "d-id-agents"
    },
    "client_key": {
      "type": "string",
      "description": "Auto-generated scoped client key for SDK embedding."
    },
    "embed": {
      "type": "boolean",
      "description": "Whether the agent is enabled for SDK/website embedding."
    },
    "metadata": {
      "type": "object",
      "description": "Plan and billing metadata.",
      "properties": {
        "plan": { "type": "string" }
      }
    },
    "triggers": {
      "type": "object",
      "description": "Event-based configurations (webhooks, tools)."
    },
    "user_data": {
      "type": "string",
      "minLength": 1,
      "maxLength": 1000,
      "description": "Custom user metadata string."
    }
  },
  "required": ["id", "presenter"],
  "additionalProperties": true
}