> ## Documentation Index
> Fetch the complete documentation index at: https://docs.retellai.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Billing Overview
> Learn how to monitor your workspace's usage, manage your subscription, and update billing information.
## Billing Overview
The Billing tab allows you to manage payments, track expenses, and download invoices. Here's what you can do:
1. Payment Management: We use Stripe for secure and reliable payment processing. You can update your payment methods by clicking on the "Change payment methods" button.
2. Billing History: Review your monthly expenses, including detailed cost breakdowns by category (e.g., Voice Engine, LLM).
3. Invoices: Easily download invoices by clicking the "Invoice" button next to the respective period.
4. Current Charges: View ongoing costs for the current billing period, including itemized amounts and usage details.
## View usage breakdown
The Usage tab on Billing page provides a clear breakdown of your workspace’s activity and costs. Here’s what you can track:
1. Total Cost: Your total expenses for the selected billing period.
2. Call Minutes: The total number of call minutes used.
3. Average Cost Per Minute: The average cost for each minute of calls.
4. Daily or weekly call costs, making it easy to identify high-cost periods and track spending trends over time.
5. Cost by Provider: A detailed breakdown of expenses across providers, such as voice engines, large language models (LLMs), telephony services, and concurrency usage.
