Source-linked reports: Amounts and outcomes come from the original reports and linked replies.
Durable Objects: a hackathon evaluation program leads to a billing complaint.
@nukonuko reports an unexpectedly large Cloudflare invoice, stops the suspected Durable Objects usage and asks support for a refund. Later posts link the incident to a hackathon evaluation program and say income will go toward the bill.
What happened
- Reported cause
- Unknown
- Incident date
- Date not recorded
- First reported
- 2026-08-04 16:15 UTC
Latest reported outcome
The author contacted support to request a refund and later said income would go toward the Cloudflare expense.
View this update in the timelineOriginal sources
- Original thread and follow-up
- Original thread and follow-up
- Original thread and follow-up
- Original thread and follow-up
Each entry links to the report or reply it describes.
Case timeline
Unexpected invoice reported
Read on 𝕏The author reports an unexpectedly large invoice and says he stopped the suspected Durable Objects usage.
ぬこぬこ / NUKO 🇯🇵
@nukonuko · Original 𝕏 post
Cloudflare からの請求書つらいって... こんなに金額が行くとは思っていないよ...サポートセンターに問い合わせたらなんとかならないかな... どうも Durable Object が原因っぽい?とりあえず止めた pic.twitter.com/fUM3re7zRq
Refund requested
Read on 𝕏The author says he contacted support to ask whether a refund was possible.
ぬこぬこ / NUKO 🇯🇵
@nukonuko · Original 𝕏 post
とりあえずサポートに返金してもらえないか、連絡してみた さすがに無職にはこの金額厳しい... pic.twitter.com/Ycc5nm4L4k
Hackathon program identified
Read on 𝕏The author links the expense to a July 18 hackathon evaluation program.
ぬこぬこ / NUKO 🇯🇵
@nukonuko · Original 𝕏 post
解析完了&無事爆死しましたw みんな Cloudflare Durable Objects には気をつけよう! 原因は 7/18 に私が主催した OpenAI のハッカソンの評価プログラムでした! サブスクでカンパしてくださると助かりますw 詳細な分析と対策についてそちらに書き記しておきますhttps://t.co/thSSDRgRBg https://t.co/yp5CsbTpmm pic.twitter.com/7RwuFToRt4
Income intended to cover expense
Read on 𝕏The author says income will go toward the Cloudflare expense.
ぬこぬこ / NUKO 🇯🇵
@nukonuko · Original 𝕏 post
やったぜ!Cloudflare 爆死分にあてますwww
More to read
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A simulation game, a reported $4,483.74 in Durable Object reads.
Jonathan Mann (@songadaymann) reports spending $4,483.74 on Durable Object reads while building a simulation game. Rita Kozlov replies, “let us see what we can do”; Mann later thanks her.
R2 replication frequency: an author reports a bill close to $100.
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