> For the complete documentation index, see [llms.txt](https://twentytwo.documentationai.com/llms.txt).
> Use it to discover all available pages before exploring further.

# Billing

Your wallet balance is always visible in the top-right corner of the platform. Use the Billing section to track spending, view invoices, and add funds when needed.

---

## Passbook

A complete record of all wallet transactions, including phone number purchases, call charges, top-ups, and balance adjustments. Each entry includes the amount, available balance, and timestamp, with date filters for easy tracking.

---

## Invoices

View and download invoices generated for each billing cycle, including invoice number, amount, issue date, due date, and payment status.

---

## Recharge Wallet

Add balance via UPI or NetBanking anytime, with no minimum amount. If your balance runs out during a campaign, simply top up, and your campaign will resume automatically; nothing is lost.

---

## How calls are billed

Calls are charged per minute and rounded up to the nearest 60-second pulse based on your plan's rates. You can view the cost of every call in [Call Logs](/guide/performance/call-logs), and unused wallet balance carries forward to next month as long as your account remains active.