Glossary (19)

Last updated Apr 21, 2026 Review the definitions for terms used across Cloudflare's KV documentation.

Term Definition
cacheTtl CacheTtl is a parameter that defines the length of time in seconds that a KV result is cached in the global network location it is accessed from.
KV namespace A KV namespace is a key-value database replicated to Cloudflare’s global network. A KV namespace must require a binding and an id.
metadata A metadata is a serializable value you append to each KV entry.

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