# API key (clave de API)

A password your app uses with another service. Whoever has it can spend your money.

**Example:** For example, your Tokentide API key starts with `tt_live_` and lets your backend pay for AI requests from your prepaid balance.


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Source: [Agentic Makers](https://agenticmakers.app/en/glossary/api-key) · License: CC BY 4.0