Hi Sam,
Love Newsblur and would hate to see you get dinged for not providing renewal notifications. Google the California (and other state) automatic renewal laws and their requirements around notifications. e.g., https://www.cooley.com/news/insight/2025/2025-06-04-california-automatic-renewal-law-amendments-take-effect-on-july-1-2025
(IAALBNYL, this is not legal advice)