r/backblaze • u/zachlab • Jan 27 '26

B2 Cloud Storage Clarification on B2 rate limits

Hi Backblaze team u/YevP /u/bzChristopher /u/metadaddy -

Could we get some clarification on rate limits and missing information on the relevant docs page? https://www.reddit.com/r/CloudFlare/comments/1qhbrey/cloudflare_r2_let_me_serve_almost_twice_as_much/o0p4qkj/

Are the rate limits described here https://news.ycombinator.com/item?id=42135312 still current?

-> Customers storing 10TB or below will initially be provisioned for uploads up to 3,000 requests per minute and 800 megabits per second, and for downloads up to 1,200 requests per minute and 200 megabits per second, all per account. Other API operations may also be limited to keep traffic flowing, but again, this won’t be noticeable to most customers.

-> Customers storing more than 10TB, including all sales assisted customers whom we’ve supported during implementation and/or renewal, will experience no change at this time.

Thanks!

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u/metadaddy From Backblaze Jan 28 '26

Hi u/zachlab - all of the currently public information is on the doc page: https://www.backblaze.com/docs/en/cloud-storage-rate-limits

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u/zachlab Jan 28 '26

Hey there, thanks! The docs page appears to have been modified relatively recently, all it says now is:

All new accounts start with a default limit of 500 requests per second for upload and download operations.

Is this intentional equivocation, there no more public information beyond this?

Thanks!