When I led self-serve at a usage-based data company, one of the most common feature requests was credit limits per API Key. * People wanted to hand a key to a script, a teammate, or now an AI agent, and know it couldn't run up the whole bill. We get the same request at Tanso.

Source: [Dev.to](https://dev.to/kat_laszlo/a-small-open-source-library-for-scoped-budgeted-time-bounded-api-keys-1nb1)

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