> ## Documentation Index
> Fetch the complete documentation index at: https://docs.graphiant.com/llms.txt
> Use this file to discover all available pages before exploring further.

# /v1/lan-segments/interfaces/public

> Per LAN segment (VRF) on a device: interfaces split by globally routable IPv4 (for Public VIF / BGP)

## OpenAPI

````json GET /v1/lan-segments/interfaces/public
{
  "openapi": "3.0.0",
  "info": {
    "title": "Graphiant APIs",
    "version": "1.0.0",
    "description": "Graphiant API documentation."
  },
  "servers": [
    {
      "url": "https://api.graphiant.com"
    }
  ],
  "security": [
    {
      "jwtAuth": []
    }
  ],
  "tags": [],
  "paths": {
    "/v1/lan-segments/interfaces/public": {
      "get": {
        "security": [
          {
            "jwtAuth": []
          }
        ],
        "parameters": [
          {
            "in": "header",
            "name": "Authorization",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "Bearer token. Format: Bearer <your_token_here>"
          },
          {
            "name": "deviceId",
            "in": "query",
            "description": "device id",
            "required": true,
            "schema": {
              "type": "integer",
              "format": "int64",
              "example": 1234567891011
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/v1LanSegmentsInterfacesPublicGetResponse"
                }
              }
            }
          }
        },
        "description": "Per LAN segment (VRF) on a device: interfaces split by globally routable IPv4 (for Public VIF / BGP)"
      }
    }
  },
  "components": {
    "schemas": {
      "v1LanSegmentsInterfacesPublicGetResponse": {
        "type": "object",
        "properties": {
          "lanSegmentIds": {
            "type": "object",
            "additionalProperties": {
              "$ref": "#/components/schemas/manaV2LanSegmentPublicInterfacesLists"
            }
          }
        },
        "additionalProperties": false
      },
      "manaV2LanSegmentPublicInterfacesLists": {
        "type": "object",
        "properties": {
          "privateInterfaces": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/manaV2LanSegmentPublicInterfaceEntry"
            }
          },
          "publicInterfaces": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/manaV2LanSegmentPublicInterfaceEntry"
            }
          }
        },
        "additionalProperties": false
      },
      "manaV2LanSegmentPublicInterfaceEntry": {
        "type": "object",
        "properties": {
          "interfaceId": {
            "type": "integer",
            "format": "int64",
            "example": 1234567891011,
            "description": "network.interface id (required)"
          },
          "ipv4Addresses": {
            "type": "array",
            "items": {
              "type": "string",
              "example": "example string",
              "description": "IPv4 host/prefix strings from interface_ip_address (non-stale rows)"
            }
          },
          "name": {
            "type": "string",
            "example": "example string",
            "description": "Device interface name (BGP local_interface uses this) (required)"
          },
          "storageProvider": {
            "type": "string",
            "example": "ENUM_VALUE",
            "description": "Interface storage provider (cloud provider for gateway LAN interfaces)"
          }
        },
        "additionalProperties": false
      }
    },
    "securitySchemes": {
      "jwtAuth": {
        "type": "apiKey",
        "in": "header",
        "name": "authorization",
        "description": "Use `Bearer <token>`"
      }
    }
  }
}
````