Durable Objects billing cases
Browse public reports labeled Durable Objects. Each case page preserves the reported details and source context.
Reported cases
shmily7: a Durable Object alarm loop and a reported $10,000 bill.
@shmily7 reports a roughly $10,000 bill from a Durable Object alarm loop in an unused test project and later says a requested reduction was refused.
Reported amount · USD
$10,000
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.
Reported amount · USD
$4,483.74
A development app, a reported $655.83 Durable Object alarm bill.
@q_huy_ngo reports a $655.83 bill and roughly 700 million interactions from a faulty alarm in an app with no users. CloudflareHelp says it will review the support case and reply in the ticket.
Reported amount · USD
$655.83
Standard Agents: two loops, a reported $8,846 bill.
Justin Schroeder and Boyd describe the same Standard Agents incident: two Durable Objects ran unbounded loops. Justin reports an $8,846 bill and a later bill adjustment.
Reported amount · USD
$8,846
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.
Reported amount · USD
Not disclosed
Will Moss: a reported 20 trillion Durable Object reads from an alarm loop.
@itswillmoss reports 20,213,871,155,804 Durable Object reads, a dashboard mismatch and lost project access. He attributes the loop to health checks waking onStart and repeatedly setting an alarm. The X thread estimates the cost above $30,000.
Reported amount · USD
Not disclosed
Related billing guides
Cloudflare billing pitfalls thread
The author organizes Cloudflare billing risks by product and shares experience with budget alert emails.
Budget alerts
Cloudflare documents account-wide spend alerts and their notification limits.
WebSocket hibernation with Durable Objects
Cloudflare shows how Durable Objects hibernate WebSocket connections while idle.