Billing: Webinar

[MSKM1920]

If I purchase the 500 participant webinar and find that I need to increase it in the midle of the billing cycle, will I be charged the entire amount for the 1000 participants in addtion to the amount already paid for the 500 participants?  

[Arps]

Hello!

You should be pro-rated for what you paid for your existing plan. 
https://support.zoom.us/hc/en-us/articles/207597883-Upgrading-an-existing-plan

Hope that helps and please make sure to mark the solution as accepted if this information is what you needed.

Thanks! Rick