A backend for the app you are building.

Your front end can be a Lovable build, a Next.js app or a phone app. Page Lemon holds the sign-in, the data and the rules about who sees what, and your AI sets them up.

AIチャットに貼り付け

PageLemon.comで公開して
ウェイトリストに参加

casebook.pagelemon.dev

The Casebook template, as your AI fills it in: Manila accordion file with index tabs, tear-off deadline pages and red-ink stamps on typed slips
A real template: Casebook. Preview it (opens in a new tab)

From an empty backend to a working app

The steps in the order they come. Start with whichever you’re at.

  1. The data
  2. The sign-in
  3. The API
  1. The data

    Your app needs somewhere to keep things, and rules about who sees them

    Say what your app stores. Your AI creates the lists and the rules, so each signed-in person sees only their own records and you see them all.

    casebook.pagelemon.dev

    The Casebook template: Manila accordion file with index tabs, tear-off deadline pages and red-ink stamps on typed slips
    A real template: Casebook. Preview it (opens in a new tab)

    AIチャットに入力する内容

    Run the backend for my app on PageLemon.com: people sign in, and each sees only their own receipts

    あとで、こう頼めます

    • “Add a status field that only I can change” Your AI adds the field and the rule.
    • “Show me the records so far” Your AI reads them only if you allow it for that list.

    有料プラン:ユーザーがログインできるメニューと価格アプリ

    手順ガイド
  2. The sign-in

    Your front end needs people to sign in

    Users sign in with an emailed code on the web, and with Sign in with Apple and Google in a phone app. One account works everywhere.

    lamplight-readers.pagelemon.dev/app/card

    Chapterテンプレート:ランプの明かりに照らされたブックカバー:オックスブラッドのポスター、Cormorantのイタリック、棚に並ぶ背表紙、スタンプの押された図書館の貸出カード
    本物のテンプレート:Chapter。プレビュー(新しいタブで開きます)

    AIチャットに入力する内容

    Set up sign-in for my app: invite only, and let me approve requests

    あとで、こう頼めます

    • “Let anyone sign up” Your AI changes the setting.
    • “Who signed in this week?” Your AI shows the counts.

    有料プラン:ユーザーがログインできるログインセキュリティ(英語)

    手順ガイド
  3. The API

    Your own code calls Page Lemon

    Your front end reads and writes the lists through the API as the signed-in person, with a key for each app. The API docs list every call.

    holbeck-yard.pagelemon.dev/app/add

    Expense logテンプレート:小さなスタジオ向けの経費精算アプリのテンプレートです。スタッフはメールでログインし、スマホでレシートを撮って1分以内に申請。申請が「提出済み」「承認済み」「支払い済み」と進む様子を追えて、オフィスマネージャーの質問にも答えられ、受け取れる金額や月ごとの合計も確認できます。オフィスマネージャーはダッシュボードで承認と返信を行います。公開ページ1つ、/app配下のメンバー向け画面6つ(Home、Add、Claims、Months、Policy、Account)、空欄入りのプライバシー通知がセットです。
    本物のテンプレート:Expense log。プレビュー(新しいタブで開きます)

    AIチャットに入力する内容

    Give me the API address and a key for my app

    あとで、こう頼めます

    • “Call me when a record is added” Your AI sets a webhook to an address you give it.
    • “Rotate the key” Your AI makes a new key and retires the old one.

    Paid plan: for the APIメニューと価格セキュリティ(英語)

    手順ガイド

何が置き換わるか

いつものやり方と、チャット1つのやり方。

  • TodayA backend you set up, host and keep patched.

    With Page LemonSign-in, data and rules run by Page Lemon, set up by asking.

  • TodaySign-in code written for every app.

    With Page LemonOne sign-in for the web and for phone apps.

  • TodayRules about who sees what, written in your own code.

    With Page LemonEach person sees their own records unless you say otherwise.

  • TodayA separate service for emailed codes.

    With Page LemonEmailed codes are built in.

かかる費用

Free is for building and trying it as a test user. A paid plan lets your users in.

無料

カードの登録は不要です。

  • Build and try it as a test user
  • yourname.pagelemon.dev のサイト
  • 小さなPage Lemonバッジ

有料プラン

  • アプリにログインしたユーザー
  • The API for your own front end
  • 独自ドメインで、バッジなし

合わなければ、14日以内なら全額返金。理由は聞きません。

料金を見る

まず本物を見てみましょう

このページの画像はすべて本物のテンプレートです。開いて操作してみて、AIに自分向けに作り変えてもらいましょう。

ステップごとのガイド

よくある質問

Which front end can I use?

Any that can call a web API: a Lovable or Next.js build, or a phone app. See the API docs.

Do my users need a Page Lemon account?

No. They sign in on your app with an emailed code, or with Apple or Google in a phone app.

Who sees the data?

Each person sees their own records and the ones you give them. You see everything in your Dashboard. Your AI reads records only if you turn that on for a list.

How many users can I have?

It depends on your plan: see pricing.

入れられないものはありますか?

Yes. Not health, mood or therapy records, children’s accounts, or card, bank or ID numbers.

活用例をすべて見る

Give your app a backend today.

AIに1行貼り付けるだけ。

PageLemon.comで公開して