Cloudflare KV

Cloudflare KV is one of the simplest but most useful edge primitives in this category because it solves the read-heavy distributed configuration and caching problem directly. It is not a relational database and not a coordination layer. Instead, it is the right tool when the application needs globally distributed key-value reads, lightweight state, feature configuration, or content and metadata lookups near the edge.

Its pricing is unusually straightforward. On the Free plan, you get 100,000 key reads per day, 1,000 writes per day, 1,000 deletes per day, 1,000 list requests per day, and 1 GB storage. On the Paid plan, the first 10 million reads, 1 million writes, 1 million deletes, and 1 million list requests per month are included, with overages at $0.50 per million reads and $5 per million writes, deletes, or list requests. Storage above 1 GB is $0.50 per GB-month. That simplicity makes KV easy to model, which is a real advantage compared with more layered state products.