Dev.to
6/25/2026

AWS bill spikes to $
Original: My app didn't go "viral". My AWS bill did.
Short summary
An author debugged a surprising $31 AWS bill for a low-traffic app using Claude and Amazon Q, discovering the real culprit was a different AI agent project on the same account. The post explores how CloudTrail, token analysis, and complementary AI tools solved a cost attribution mystery.
- •Built free learning-path tool (Clew Directive) received 14 visits but AWS charged $31
- •Debugging revealed the bill came from a different project (vigil-crest Telegram agent) running on the same account
- •Used CloudTrail data, token cost patterns, and Claude's code reasoning to solve the mystery
Generated with AI, which can make mistakes.
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