Accounts & Billing
Attaching a credit card serves two functions: it verifies your account, unlocking extra features, and enables you to provision paid resources.
Heroku charges based on usage, which means that in any given month, the bill you receive will be for the previous month of use. Find your balance for the current month in the Current Usage section of your account page. It is updated on a nightly basis and will be current up to the previous day (00:00:00 UTC).
Heroku provides a robust set of free resources for every account. Once your application grows beyond the free-tier offering, expand its capability via paid resources like:
Estimate the costs to run your app on Heroku with our pricing tool.