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.

Pega esto en el chat de tu IA

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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)

    Escribes en el chat de tu IA

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

    Más adelante, podrías pedir

    • “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.

    Plan de pago: para usuarios que inician sesiónMenús y preciosApps

    Guía paso a paso
  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

    La plantilla Chapter: Sobrecubiertas a la luz de una lámpara: un cartel color sangre de toro, cursivas Cormorant, lomos en un estante y una ficha de biblioteca sellada
    Una plantilla real: Chapter. Ver vista previa (se abre en una pestaña nueva)

    Escribes en el chat de tu IA

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

    Más adelante, podrías pedir

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

    Plan de pago: para usuarios que inician sesiónInicio de sesiónSeguridad (en inglés)

    Guía paso a paso
  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

    La plantilla Expense log: Una plantilla de app: la app de gastos propia de un estudio pequeño. El equipo inicia sesión con su correo, fotografía un recibo con el teléfono y lo reclama en menos de un minuto, sigue cada reclamación de Enviada a Aprobada y Pagada, responde a las preguntas de la responsable de la oficina y ve lo que se le debe y sus totales mensuales. La responsable de la oficina aprueba y responde en el panel. Una página pública, seis pantallas para miembros bajo /app (Home, Add, Claims, Months, Policy, Account) y un aviso de privacidad con huecos por rellenar.
    Una plantilla real: Expense log. Ver vista previa (se abre en una pestaña nueva)

    Escribes en el chat de tu IA

    Give me the API address and a key for my app

    Más adelante, podrías pedir

    • “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 APIMenús y preciosSeguridad (en inglés)

    Guía paso a paso

Lo que reemplaza

La forma de siempre, y la forma de un solo chat.

  • 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.

Lo que te cuesta

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

Gratis

Sin tarjeta.

  • Build and try it as a test user
  • Un sitio en tunombre.pagelemon.dev
  • Un pequeño distintivo de Page Lemon

Plan de pago

  • Usuarios con sesión iniciada en tu app
  • The API for your own front end
  • Tu propio dominio, y sin distintivo

¿No es para ti? Reembolso total en 14 días, sin preguntas.

Ver precios

Mira primero lo real

Cada imagen de esta página es una plantilla real. Abre una, explora y luego pídele a tu IA que la haga tuya.

Guías paso a paso

Preguntas

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.

¿Hay algo que no pueda poner en ella?

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

Todos los casos de uso

Give your app a backend today.

Pega una línea en tu IA.

Publica en PageLemon.com