Limits

Feature	Free	Paid
Reads	100,000 reads per day	Unlimited
Writes to different keys	1,000 writes per day	Unlimited
Writes to same key	1 per second	1 per second
Operations/Worker invocation 1	1000	1000
Namespaces	1000	1000
Storage/account	1 GB	Unlimited
Storage/namespace	1 GB	Unlimited
Keys/namespace	Unlimited	Unlimited
Key size	512 bytes	512 bytes
Key metadata	1024 bytes	1024 bytes
Value size	25 MiB	25 MiB
Minimum cacheTtl	60 seconds	60 seconds

Need a higher limit?

To request an adjustment to a limit, complete the Limit Increase Request Form ↗. If the limit can be increased, Cloudflare will contact you with next steps.

Free versus Paid plan pricing

Refer to KV pricing to review the specific KV operations you are allowed under each plan with their pricing.

Workers KV REST API limits

Using the REST API to access Cloudflare Workers KV is subject to the rate limits that apply to all operations of the Cloudflare REST API.

Footnotes

1. Within a single invocation, a Worker can make up to 1,000 operations to external services (for example, 500 Workers KV reads and 500 R2 reads). A bulk request to Workers KV counts for 1 request to an external service. ↩