Developer billed $2,433 after Railway breach: stolen key ran DeepSeek and GLM-5.3

AccBalanced · x · 2026-11-03

Developer shawmakesmagic received a surprise $2,433.37 bill from Together Compute: an API key from an old Railway project — $0.00 billed since last year — was apparently compromised in the Railway data breach and used to run DeepSeek and GLM-5.3. He warns that developers juggling 100+ services whose keys plug into dozens more have no way to audit everything when an upstream platform is hacked: "they say rotate your keys, but what happens when you forget the keys exist?" A cautionary tale about personal API key management and cascading liability after cloud platform breaches.

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