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Custom Client Portal

A complete weekend playbook to launch this AI business, built end-to-end with Lovable.

6 min read Idea #206
TL;DR

Branded client-facing hub where files, updates, and messages replace shared Drive folders. Build login, file upload, and per-client status feed.

Who buys this

Agencies, freelancers and service firms who email clients files and updates and lose the thread constantly.

Where to start in Lovable

Paste this into Lovable as the opening prompt. It sets up one screen and one job, which is easier to grow from.

Build a client portal. Each client logs in and sees only their own projects: status, milestones, shared files, invoices and a message thread with the team. The team has an admin view across all clients. Roles: client (read plus messaging), team member, admin. Add file upload, a simple activity feed per project, and email notifications when something changes.

What you will need to wire up

  • Lovable AI Gateway
  • Lovable Cloud (Postgres, RLS)
  • Storage для файлов
  • Resend
  • Stripe

Build order

  1. Isolation is the whole product. A client must never see another client's data. Get row-level security right before building any feature: one leak and the portal is worse than email.
  2. The status view is why they log in. Clients open the portal to answer one question: where are things. Make that the first screen, clear and honest, and everything else is a bonus.
  3. Files and messages in one place. The value is ending the scavenger hunt across email threads. Keep every file and decision attached to its project.
  4. Charge per seat on the team side. Clients should be free and unlimited, otherwise the agency won't roll it out. Charge for team members, who are the ones getting paid.

Where this usually breaks

  • Access control is the real engineering here. The moment a client has sub-clients or a project spans two companies, your simple roles turn into a permissions system. Decide how far you go.
  • White-labelling gets requested fast: agencies want their logo, not yours. Plan for it or price it as a premium tier.

How it makes money

  • Per team seat, clients free. Aligns cost with the paying side and removes the barrier to inviting clients.
  • Flat agency plan with white-label. Higher tier that sells itself once an agency wants their brand on it.

Build this on Lovable

The prompt above is ready to paste. Open Lovable, drop it in and get a first working version in minutes. Free plan, no card, 5 credits a day.

Try Lovable+10 free credits

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Why this idea works right now

AI has dropped the cost of building software to almost zero, but most people still think you need a team of engineers to ship a real product. You don't. The opportunity behind «custom client portal» is that the underlying tech is finally good enough, the audience already exists, and the tooling: specifically Lovable, lets a single person ship in days what used to take a startup six months.

The 4-step Lovable playbook

  1. Describe the product to Lovable. Open Lovable and paste a one-paragraph spec: "Custom Client Portal". Lovable instantly scaffolds the UI, pages, and components. No setup, no boilerplate.
  2. Plug in the AI brain. Use Lovable AI Gateway to add the smart layer: text generation, image vision, transcription, classification, without touching API keys or backend code.
  3. Add auth, database & payments. Enable Lovable Cloud for instant user accounts, a Postgres database, and file storage. Connect Stripe in two clicks to start collecting money.
  4. Launch & monetize. Branded client-facing hub where files, updates, and messages replace shared Drive folders. Build login, file upload, and per-client status feed. Publish to a custom domain straight from Lovable and start sharing the link the same day.

What you'll have at the end

  • A live product on its own domain
  • User signup, login & profiles
  • Database with user data & content
  • AI-powered core feature working in production
  • Stripe checkout to accept first payments
  • Built without writing a single line of code
The hard part was never the code. It was getting started. Lovable removes that wall: describe the product, watch it appear, ship it.

Your move

You just read the entire playbook. The only thing standing between you and a live AI product earning real money is one click. Open Lovable, paste the idea, and let it build the first version while you finish your coffee.

Build this tonight with Lovable

Free to start. No credit card. From prompt to live product in one session.

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