Wallet & pay-as-you-go
How Errora meters usage per service, what each unit costs, and how the wallet, credit line and balance alerts work.
Topping up & payments
Top up the wallet through ZarinPal or the test gateway, and read the payment history.
Spike protection
A per-project hourly cap that discards runaway volume so a broken release cannot drain your wallet, with a threshold derived from the project's own history.