Build the finance app you dream of.
Your AI agent builds the app, no coding. Hello Purple connects it to live markets and lets it do only what you allow.
Easier than Claude, ChatGPT or Grok on their own
They can write the app. To trade, it also needs a broker connection, a sign-in, live prices and orders, and a safe place for keys. Hello Purple brings all four, free with supported brokers.
Put the euro price in my menu bar. One click to trade it.
- a broker that allows API access
- logins and tokens, set up by you
- a price feed and the order system
- somewhere safe for your secret key
Waiting for your API key…
Use Hello Purple. Put the euro price in my menu bar. One click to trade it.
- Broker connection added in one install
- Signed in with your broker login
- Live prices and orders ready
- Keys stored where your agent never sees them
- Permissions you approved, off any time
Done. It is in your menu bar.
Three words apart. On its own, it stops at your secret key. With Hello Purple, this menu-bar app was built in half an hour.
Get priority accessYour idea on top. 15+ years underneath.
Purple Technology’s trading and payments stack is already there, built and run for years. You get to think about your app.
Safer, because it can only do what you allow.
- You approve it in plain words.See your accounts? Read prices? Place trades? Your call.
- No key pasted into a chat.The panel holds them, out of the agent’s reach.
- Switch any app off, any time.One switch, and it can do nothing. Limits like the daily loss cap are held by your broker.
You approved, in plain words
- See your accounts
- Read live prices
- Place trades
- Read your trade history
Switched off. Euro bar can do nothing until you switch it back on.
Try the switches. You set the boundaries.
Start your world.
- Say hello with your idea. Free with supported brokers.
- Get priority access by email. Add Hello Purple to Claude in one install.
- Approve what it may do. Your app runs on your computer.