> ## Knowledge Base Index
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> Use this file to discover available pages before exploring further.
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# How does CDN billing works?

If you have created your CDN pull zones, they are usually being billed monthly, annually. This article will help you to understand how the billing is calculated. As soon as you deploy the yearly or monthly plan, we will charge your account the cost as mentioned on the order page, and an invoice will be sent to you.

# Does bandwidth reset monthly?
Bandwidth limits on CDN Nexus will be reset 1st of every month for all plans

# What happens if I exceed bandwidth?
Once bandwidth is exceeded, your CDN will be suspended, you can purchase additional bandwidth as needed.

| Please [visit here](/en-us/article/what-are-our-license-and-add-on-prices-1gdtp6a/#3-cdn-bandwidth-pricing-per-gb) to view additional bandwidth pricing


### Legacy Pay As You Go billing
CDN instances follow a PAYG billing contract, which means you will be billed after usage. Every second of the month, you will get an invoice for the usage based on your previous month.

For example, on April 2nd, you will get an invoice for the usage since March 2nd - April 1st

|| PAYG Plans are no longer available, the existing pay as you go plans will bill the same without change until cancelled.