1. Head over to the Stripe website and sign up for an account.
2. Fill in all the necessary details and finish the registration.
3. Once you're done, hop into the Stripe Dashboard.

1. In the Stripe Dashboard, find the "Developers" section.
2. Click on "API Keys".
3. Copy both the "Publishable key" and "Secret key". You'll need these for Adalo.

1. Go to the Adalo website and log in to your account, or create a new one if you haven't already.
2. Open the Adalo app where you want to set up payment processing.

1. In your Adalo app, navigate to the "Components" section.
2. Look for the "Payment" component and drag it onto your app screen.

1. Click on the Payment component to start configuring it.
2. Enter the Stripe "Publishable key" you copied earlier.
3. Optionally, set up any other payment options like currency and amount.

1. Choose the button or form that will trigger the payment.
2. In the component's actions, add a new action and select "Create → Payment".
3. Set the parameters for the payment, like the amount and currency.

1. Use Adalo's preview feature to check out your app.
2. Go to the section where you set up the payment option.
3. Do a test payment to make sure everything's working fine.

1. After testing, go back to the Stripe Dashboard.
2. Switch the API keys from "Test Mode" to "Live Mode".
3. Update the Adalo app with these live API keys just like you did in Step 5.
4. Publish the app to make the payment processing live.

Following these steps will set up payment processing in Adalo using Stripe.