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What Is API Credentials?

API Credentials is the one fully working panel on a server's Guard Rails tab. It configures what Arthur sends to authenticate with your upstream API — Bearer token, API key, Basic auth, OAuth2 client credentials, or custom headers — completely separate from Access Keys or OAuth Client, which protect incoming calls from an AI client.

Open the Arthur screen that visually supports “What Is API Credentials?”

Open the Guard Rails tab to show the product area discussed by this wiki page

Learn more: How to Configure API Credentials.

Bring the API Credentials area into the viewport for a focused, semantic screenshot

Tutorial video