Source-linked reports: Amounts and outcomes come from the original reports and linked replies.
Little Bear Apps: a D1 write loop and a reported full US$4,586.64 invoice waiver.
Nathan Schram reports that two bugs wrote 4.83 billion D1 rows in January 2026 on an account that usually costs $5 a month, an overage he estimated at about $4,868. After a support ticket, a Community post, direct emails and a Reddit post, he says Cloudflare waived the full $4,586.64 invoice on February 19.
What happened
- Reported cause
- Unbounded loop
- Incident date
- Date not recorded
- First reported
- 2026-02-07
Latest reported outcome
The author says a Cloudflare support engineer confirmed on February 19 that the full $4,586.64 invoice was waived as a one-time courtesy and the account was restored. He says $4,868 was his earlier estimate.
View this update in the timelineOriginal sources
- Community courtesy-credit request
- Reddit suspension report and update
- Author’s write-up reporting the waiver
- Author’s Reddit waiver update
Each entry links to the report or reply it describes.
Case timeline
Courtesy credit requested
Open original sourceThe author says he submitted a billing ticket on February 1 requesting a one-time courtesy credit for an accidental D1 write overage of about $4,868 from an infinite write loop of about 3.4 billion writes over four days, and lists his fixes.
Community MVP points to support
Open original sourceCommunity MVP neiljay replies that Support will respond on the existing case and shares guidance for escalating unanswered billing cases.
Partial suspension reported during the dispute
Open original sourceThe author says support had put the dispute on hold with Engineering, yet on February 18 the automated billing system suspended Workers Paid and disabled R2 and Analytics Engine.
Undated
Author reports the waiver and account restoration
Open original sourceIn a later reply, the author says Cloudflare waived the full $4,586 invoice and restored the account, and describes the escalation channels he used.
Write-up confirms the waiver details
Open original sourceThe author’s write-up says the case moved after four escalation channels, that a support engineer confirmed the full $4,586.64 waiver on February 19, and that the actual invoice differed from his $4,868 estimate.
More to read
shmily7: a Durable Object alarm loop and a reported US$10,811.41 bill.
@shmily7 reports a Durable Object alarm loop in an unused test project, then says he paid the full US$10,811.41 bill to avoid service suspension. Cloudflare’s Ashley Peacock publicly says he is looking into it internally and will follow up.
Cloudflare billing pitfalls thread
The author organizes Cloudflare billing risks by product and shares experience with budget alert emails.
R2 replication frequency: an author reports a bill close to $100.
@lucianghinda links a bill close to $100 and over 20 million R2 Class A operations to Litestream setups without a replication interval.