With this documentation, you can take stripe Keys publishable, secret and customer Account id from the stripe account.
Step 1: Log in to your Stripe account,
To get the Publishable key and Secret Key navigate to developers mode and there you can find the publishable key and secret key as shown in the snapshot.
NOTE: Secret key will be shown once after creating and we have to store that safely.
Step 2: To get customer Account id,
Navigate to profile from the top and scroll down to the end of the page, there we can see the customer account id in the table.