The plain-English version
The amount of unreliability allowed by a service objective over its measurement window.
Why it matters
It connects reliability targets with decisions about change and recovery work.
Let’s make it click
A team reviews how much of its allowed failed-request proportion has been consumed.
Vibe Bro’s heads-up
An error budget is derived from a chosen objective, not a guarantee that every user receives the same experience.
The docs behind it
Documentation links checked .
Editorial review · October 28, 2026
Supported: Error budget is derived from an objective and window, not a promise of identical individual-user experiences.