Documentation / Feature guides
Credits are bought as a Stripe one-off; the per-credit price is set server-side from your own tier.
Open billing
You should see: Plan, balance and a credit purchase panel are shown
Look at the preset amounts
You should see: Preset quantities plus a slider and a number box for a custom amount
Ask for 50 credits
You should see: The price updates live and states the per-scan rate at your plan
Try to buy more than the maximum
You should see: The amount clamps to the stated per-purchase maximum instead of accepting it
Start the purchase
You should see: A Stripe Checkout session opens — the client only ever sends a quantity, never a price
This guide is generated from a test flow we replay against Dr Urls itself — the same steps you just read are the regression check for this feature. Try it on your own site.