{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/silverpop/main/json-schema/silverpop-contact-schema.json",
  "title": "Silverpop Contact",
  "description": "Schema for a Silverpop (Acoustic Campaign) contact resource.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique contact identifier."
    },
    "email": {
      "type": "string",
      "format": "email",
      "description": "Contact's email address (primary key)."
    },
    "first_name": {
      "type": "string",
      "description": "Contact's first name."
    },
    "last_name": {
      "type": "string",
      "description": "Contact's last name."
    },
    "opt_in_status": {
      "type": "string",
      "enum": ["opted_in", "opted_out", "pending"],
      "description": "Email opt-in status."
    },
    "custom_fields": {
      "type": "object",
      "additionalProperties": true,
      "description": "Custom field key-value pairs specific to the database schema."
    },
    "created": {
      "type": "string",
      "format": "date-time",
      "description": "Contact creation timestamp."
    },
    "modified": {
      "type": "string",
      "format": "date-time",
      "description": "Last modification timestamp."
    }
  },
  "required": ["email"]
}