diff --git a/pkg/api/rest/docs/docs.go b/pkg/api/rest/docs/docs.go
index ca1708d..7b43974 100644
--- a/pkg/api/rest/docs/docs.go
+++ b/pkg/api/rest/docs/docs.go
@@ -331,6 +331,144 @@ const docTemplate = `{
                 }
             }
         },
+        "/migration/infra/instance": {
+            "post": {
+                "description": "It migrates instance on a cloud platform. Storage includes name, spec, OS, and so on.",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "[Migration] Infrastructure"
+                ],
+                "summary": "(Skeleton) Migrate instance on a cloud platform",
+                "parameters": [
+                    {
+                        "description": "Specify name, spec, OS, and so on.",
+                        "name": "InstanceInfo",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateInstanceRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully migrated storage on a cloud platform",
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateInstanceResponse"
+                        }
+                    },
+                    "404": {
+                        "description": "Not Found",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    }
+                }
+            }
+        },
+        "/migration/infra/network": {
+            "post": {
+                "description": "It migrates network on a cloud platform. Network includes name, ID, IPv4 CIDR block, IPv6 CIDR block, and so on.",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "[Migration] Infrastructure"
+                ],
+                "summary": "(Skeleton) Migrate network on a cloud platform",
+                "parameters": [
+                    {
+                        "description": "Specify name, IPv4 CIDR block, etc.",
+                        "name": "NetworkInfo",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateNetworkRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully migrated network on a cloud platform",
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateNetworkResponse"
+                        }
+                    },
+                    "404": {
+                        "description": "Not Found",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    }
+                }
+            }
+        },
+        "/migration/infra/storage": {
+            "post": {
+                "description": "It migrates storage on a cloud platform. Storage includes name, ID, type, size, and so on.",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "[Migration] Infrastructure"
+                ],
+                "summary": "(Skeleton) Migrate storage on a cloud platform",
+                "parameters": [
+                    {
+                        "description": "Specify name, type, size, affiliated Network ID, and so on.",
+                        "name": "StorageInfo",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateStorageRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully migrated storage on a cloud platform",
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateStorageResponse"
+                        }
+                    },
+                    "404": {
+                        "description": "Not Found",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    }
+                }
+            }
+        },
         "/ns": {
             "get": {
                 "description": "List all namespaces or namespaces' ID",
@@ -939,6 +1077,132 @@ const docTemplate = `{
                 }
             }
         },
+        "migration.MigrateInstanceRequest": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "os": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
+        "migration.MigrateInstanceResponse": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "os": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
+        "migration.MigrateNetworkRequest": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "ipv4CidrBlock": {
+                    "type": "string"
+                },
+                "ipv6CidrBlock": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "subnets": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/migration.Subnet"
+                    }
+                }
+            }
+        },
+        "migration.MigrateNetworkResponse": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "ipv4CidrBlock": {
+                    "type": "string"
+                },
+                "ipv6CidrBlock": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "subnets": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/migration.Subnet"
+                    }
+                }
+            }
+        },
+        "migration.MigrateStorageRequest": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "size": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
+        "migration.MigrateStorageResponse": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "size": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
         "migration.RegionInfo": {
             "type": "object",
             "properties": {
@@ -1136,6 +1400,26 @@ const docTemplate = `{
                 }
             }
         },
+        "migration.Subnet": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "ipv4CidrBlock": {
+                    "type": "string"
+                },
+                "ipv6CidrBlock": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "parentNetworkId": {
+                    "type": "string"
+                }
+            }
+        },
         "migration.TbVmDynamicReq": {
             "type": "object",
             "required": [
@@ -1185,7 +1469,7 @@ const docTemplate = `{
                     "type": "string",
                     "example": "3"
                 },
-                "vmUserPassword default:": {
+                "vmUserPassword": {
                     "type": "string"
                 }
             }
diff --git a/pkg/api/rest/docs/swagger.json b/pkg/api/rest/docs/swagger.json
index cb3d9e2..4545701 100644
--- a/pkg/api/rest/docs/swagger.json
+++ b/pkg/api/rest/docs/swagger.json
@@ -324,6 +324,144 @@
                 }
             }
         },
+        "/migration/infra/instance": {
+            "post": {
+                "description": "It migrates instance on a cloud platform. Storage includes name, spec, OS, and so on.",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "[Migration] Infrastructure"
+                ],
+                "summary": "(Skeleton) Migrate instance on a cloud platform",
+                "parameters": [
+                    {
+                        "description": "Specify name, spec, OS, and so on.",
+                        "name": "InstanceInfo",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateInstanceRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully migrated storage on a cloud platform",
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateInstanceResponse"
+                        }
+                    },
+                    "404": {
+                        "description": "Not Found",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    }
+                }
+            }
+        },
+        "/migration/infra/network": {
+            "post": {
+                "description": "It migrates network on a cloud platform. Network includes name, ID, IPv4 CIDR block, IPv6 CIDR block, and so on.",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "[Migration] Infrastructure"
+                ],
+                "summary": "(Skeleton) Migrate network on a cloud platform",
+                "parameters": [
+                    {
+                        "description": "Specify name, IPv4 CIDR block, etc.",
+                        "name": "NetworkInfo",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateNetworkRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully migrated network on a cloud platform",
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateNetworkResponse"
+                        }
+                    },
+                    "404": {
+                        "description": "Not Found",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    }
+                }
+            }
+        },
+        "/migration/infra/storage": {
+            "post": {
+                "description": "It migrates storage on a cloud platform. Storage includes name, ID, type, size, and so on.",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "[Migration] Infrastructure"
+                ],
+                "summary": "(Skeleton) Migrate storage on a cloud platform",
+                "parameters": [
+                    {
+                        "description": "Specify name, type, size, affiliated Network ID, and so on.",
+                        "name": "StorageInfo",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateStorageRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully migrated storage on a cloud platform",
+                        "schema": {
+                            "$ref": "#/definitions/migration.MigrateStorageResponse"
+                        }
+                    },
+                    "404": {
+                        "description": "Not Found",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/common.SimpleMsg"
+                        }
+                    }
+                }
+            }
+        },
         "/ns": {
             "get": {
                 "description": "List all namespaces or namespaces' ID",
@@ -932,6 +1070,132 @@
                 }
             }
         },
+        "migration.MigrateInstanceRequest": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "os": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
+        "migration.MigrateInstanceResponse": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "os": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
+        "migration.MigrateNetworkRequest": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "ipv4CidrBlock": {
+                    "type": "string"
+                },
+                "ipv6CidrBlock": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "subnets": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/migration.Subnet"
+                    }
+                }
+            }
+        },
+        "migration.MigrateNetworkResponse": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "ipv4CidrBlock": {
+                    "type": "string"
+                },
+                "ipv6CidrBlock": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "subnets": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/migration.Subnet"
+                    }
+                }
+            }
+        },
+        "migration.MigrateStorageRequest": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "size": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
+        "migration.MigrateStorageResponse": {
+            "type": "object",
+            "properties": {
+                "NetworkId": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "size": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            }
+        },
         "migration.RegionInfo": {
             "type": "object",
             "properties": {
@@ -1129,6 +1393,26 @@
                 }
             }
         },
+        "migration.Subnet": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "ipv4CidrBlock": {
+                    "type": "string"
+                },
+                "ipv6CidrBlock": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "parentNetworkId": {
+                    "type": "string"
+                }
+            }
+        },
         "migration.TbVmDynamicReq": {
             "type": "object",
             "required": [
@@ -1178,7 +1462,7 @@
                     "type": "string",
                     "example": "3"
                 },
-                "vmUserPassword default:": {
+                "vmUserPassword": {
                     "type": "string"
                 }
             }
diff --git a/pkg/api/rest/docs/swagger.yaml b/pkg/api/rest/docs/swagger.yaml
index 1888f7f..c401a6f 100644
--- a/pkg/api/rest/docs/swagger.yaml
+++ b/pkg/api/rest/docs/swagger.yaml
@@ -213,6 +213,88 @@ definitions:
           $ref: '#/definitions/migration.TbVmInfo'
         type: array
     type: object
+  migration.MigrateInstanceRequest:
+    properties:
+      NetworkId:
+        type: string
+      id:
+        type: string
+      name:
+        type: string
+      os:
+        type: string
+      type:
+        type: string
+    type: object
+  migration.MigrateInstanceResponse:
+    properties:
+      NetworkId:
+        type: string
+      id:
+        type: string
+      name:
+        type: string
+      os:
+        type: string
+      type:
+        type: string
+    type: object
+  migration.MigrateNetworkRequest:
+    properties:
+      id:
+        type: string
+      ipv4CidrBlock:
+        type: string
+      ipv6CidrBlock:
+        type: string
+      name:
+        type: string
+      subnets:
+        items:
+          $ref: '#/definitions/migration.Subnet'
+        type: array
+    type: object
+  migration.MigrateNetworkResponse:
+    properties:
+      id:
+        type: string
+      ipv4CidrBlock:
+        type: string
+      ipv6CidrBlock:
+        type: string
+      name:
+        type: string
+      subnets:
+        items:
+          $ref: '#/definitions/migration.Subnet'
+        type: array
+    type: object
+  migration.MigrateStorageRequest:
+    properties:
+      NetworkId:
+        type: string
+      id:
+        type: string
+      name:
+        type: string
+      size:
+        type: string
+      type:
+        type: string
+    type: object
+  migration.MigrateStorageResponse:
+    properties:
+      NetworkId:
+        type: string
+      id:
+        type: string
+      name:
+        type: string
+      size:
+        type: string
+      type:
+        type: string
+    type: object
   migration.RegionInfo:
     properties:
       region:
@@ -346,6 +428,19 @@ definitions:
         description: CountUndefined is for counting Undefined
         type: integer
     type: object
+  migration.Subnet:
+    properties:
+      id:
+        type: string
+      ipv4CidrBlock:
+        type: string
+      ipv6CidrBlock:
+        type: string
+      name:
+        type: string
+      parentNetworkId:
+        type: string
+    type: object
   migration.TbVmDynamicReq:
     properties:
       commonImage:
@@ -388,7 +483,7 @@ definitions:
           VMs will be created accordingly.
         example: "3"
         type: string
-      'vmUserPassword default:':
+      vmUserPassword:
         type: string
     required:
     - commonImage
@@ -728,6 +823,99 @@ paths:
       summary: Migrate an infrastructure on a cloud platform
       tags:
       - '[Migration] Infrastructure'
+  /migration/infra/instance:
+    post:
+      consumes:
+      - application/json
+      description: It migrates instance on a cloud platform. Storage includes name,
+        spec, OS, and so on.
+      parameters:
+      - description: Specify name, spec, OS, and so on.
+        in: body
+        name: InstanceInfo
+        required: true
+        schema:
+          $ref: '#/definitions/migration.MigrateInstanceRequest'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: Successfully migrated storage on a cloud platform
+          schema:
+            $ref: '#/definitions/migration.MigrateInstanceResponse'
+        "404":
+          description: Not Found
+          schema:
+            $ref: '#/definitions/common.SimpleMsg'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/common.SimpleMsg'
+      summary: (Skeleton) Migrate instance on a cloud platform
+      tags:
+      - '[Migration] Infrastructure'
+  /migration/infra/network:
+    post:
+      consumes:
+      - application/json
+      description: It migrates network on a cloud platform. Network includes name,
+        ID, IPv4 CIDR block, IPv6 CIDR block, and so on.
+      parameters:
+      - description: Specify name, IPv4 CIDR block, etc.
+        in: body
+        name: NetworkInfo
+        required: true
+        schema:
+          $ref: '#/definitions/migration.MigrateNetworkRequest'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: Successfully migrated network on a cloud platform
+          schema:
+            $ref: '#/definitions/migration.MigrateNetworkResponse'
+        "404":
+          description: Not Found
+          schema:
+            $ref: '#/definitions/common.SimpleMsg'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/common.SimpleMsg'
+      summary: (Skeleton) Migrate network on a cloud platform
+      tags:
+      - '[Migration] Infrastructure'
+  /migration/infra/storage:
+    post:
+      consumes:
+      - application/json
+      description: It migrates storage on a cloud platform. Storage includes name,
+        ID, type, size, and so on.
+      parameters:
+      - description: Specify name, type, size, affiliated Network ID, and so on.
+        in: body
+        name: StorageInfo
+        required: true
+        schema:
+          $ref: '#/definitions/migration.MigrateStorageRequest'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: Successfully migrated storage on a cloud platform
+          schema:
+            $ref: '#/definitions/migration.MigrateStorageResponse'
+        "404":
+          description: Not Found
+          schema:
+            $ref: '#/definitions/common.SimpleMsg'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/common.SimpleMsg'
+      summary: (Skeleton) Migrate storage on a cloud platform
+      tags:
+      - '[Migration] Infrastructure'
   /ns:
     delete:
       consumes: