### Answer The $8.00 "Knowledge Base Hosting" charge is for an additional knowledge base beyond your free allocation. [(1) ]() Pricing breakdown: - The first 10 knowledge bases per workspace are free. - Additional knowledge bases beyond those 10 are billed at $8/month per knowledge base. , [(2) ]() So if you currently have 11 or more knowledge bases in your workspace, you'll see this $8 charge for each one over the free limit. [(1) ]() You can check how many knowledge bases you have by going to your dashboard's Knowledge Base section: [) [(3) ]() If you no longer need some knowledge bases, deleting them would remove the hosting charge going forward.

​ To learn more, see the sources I considered: [[1] Knowledge Base](https://docs.retellai.com/build/knowledge-base) [[2] Knowledge base, Verified phone number, Realtime API and more](https://www.retellai.com/changelog/knowledge-base-verified-phone-number-realtime-api-and-more) [[3] billing issue](https://discord.com/channels/1186424376300679209/1407306220125032533) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.