Cache size and lifetime on cloudflare for a free account?

Question

cloudflare

1) What is the maximum cache size for stats (in Gb) for Cloudflare for a free account?
2) What is the lifetime of the cache?
3) If the domain has an api.* subdomain, won't it be a problem when distributing content and the resource itself via cloudflare? (won't cloudflare enter captcha or partially block requests to the resource)?

Answer 1

anlim
day
why? still squeeze