{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Account Nickname (request)",
  "description": "Request for the GET /account/v1/nickname endpoint. Requires the Deriv-App-ID and Authorization headers; takes no query parameters or body. The caller's brand and identity are resolved by the gateway from the X-Brand and X-Client-ID request headers and cannot be spoofed by the client.",
  "type": "object",
  "properties": {
    "headers": {
      "type": "object",
      "properties": {
        "Deriv-App-ID": {
          "type": "string",
          "description": "Application identifier"
        },
        "Authorization": {
          "type": "string",
          "description": "Bearer token for authentication",
          "example": "Bearer YOUR_ACCESS_TOKEN"
        }
      },
      "required": ["Deriv-App-ID", "Authorization"]
    }
  },
  "required": ["headers"],
  "additionalProperties": false
}