Welcome to the community! It looks like you’ve landed in the Apigee forum, which is the dedicated space for all things on Apigee (the API Management platform from Google Cloud).
Since your questions seem to relate to the Google Books API, I recommend sharing your question to the Cloud Foundation space.
If you ever need any guidance on Apigee, feel free to reach out. Have a nice day!
@Book_Looky I tried setting up a billed account with support at https://console.cloud.google.com/ but similarly nothing happening there, including dead link and no clear customer support option :’)