--- title: "事前予約参加を行う" slug: "game-gamepot-registrationjoin" updated: 2026-09-17T09:57:53Z published: 2026-09-17T09:57:53Z canonical: "api.ncloud-docs.com/game-gamepot-registrationjoin" --- > ## Documentation Index > Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # 事前予約参加を行う ## 事前予約参加を行うAPI 事前予約参加を完了した際に登録するAPI ### Request - Method:POST - URI:https://gamepot.apigw.ntruss.com/gpapps/v2/phone/join ``` POST url : https://gamepot.apigw.ntruss.com/gpapps/v2/phone/join Header : 'content-type: application/json' data: { "projectId":"ab2775b4-cf09-4794-XXXX-XXXXXXXXXXXX", "categoryId":"b062a3f3-0a37-44d1-XXXX-XXXXXXXXXXXX", "code":"61XX", "from":"02XXXXXXXX", "to":"010XXXXXXX", "store":"google", "tag":"" } ``` | Attribute | Type | Required | Description | | --- | --- | --- | --- | | projectId | String | - | GAMEPOT SDKのprojectId | | categoryId | String | - | GAMEPOT事前予約ページのcategoryId | | code | String | - | 受信した認証番号 | | from | String | - | 承認を受けた発信番号 | | to | String | - | SMS認証番号を受信する連絡先 | | store | String | - | ストア(Google、ONE、Apple) | | tag | String | - | その他の情報(流入経路などの情報) | ### Response 成功 ``` { "code": 200, "error": "認証に成功しました。" } ``` | Attribute | Type | Description | | --- | --- | --- | | code | Int | 結果値(200:成功、404:失敗) | | error | String | エラーメッセージ | 失敗 ``` { "code": 404, "error": "既に登録済みの番号です。" } ``` | Attribute | Type | Description | | --- | --- | --- | | code | Int | 結果値(1:成功、失敗時はエラーコードを参照) | | error | String | エラー内容 |