KV key size
Limit · kv
A Workers KV key can be 512 bytes, and its metadata can be 1,024 bytes, on both plans.
Free plan
512 bytes. Metadata up to 1,024 bytes.
Paid plan
512 bytes. Metadata up to 1,024 bytes.
What it means
The key limit is the same on Free and Paid. Keys per namespace are unlimited on the KV limits table.
What it does to a bill
Key size does not change the per-key read or write price.
Sources
- KV limitsOfficial