Once logged in, make sure you're on the Paper Trading view — look for the toggle near the top right.
Click your name (top right) → API Keys → Generate New Key.
You'll see two codes: an API Key ID (starts with PK…)
and a Secret Key. Copy both and paste them below.
The secret is only shown once.
Starts with "PK" for paper accounts.
Shown once when you generate the key. Store it somewhere safe.
Connected
Review your details
Everything looks right? Click Create Account
to finish. You'll be signed in automatically.
Name
Email
Location
Alpaca account
Connected ·
ModePaper trading (no real money)
What happens next:
Your account will be created and the system starts generating trade signals for you
from the next trading day. You'll receive an email at
whenever a trade opens or closes. You don't need to do anything else.
⚠️ Read before you join
Invalid Signal is a software tool only, not a financial adviser.
It is not regulated by the FCA, SEC, or any financial authority.
All signals and trades are generated automatically — you are responsible for monitoring
your own account. Trading involves risk of loss.
You may lose money.
Past performance and simulation results do not guarantee future returns.
By creating an account you confirm you understand this is a paper trading platform
and no real money is being traded at this stage.