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What Is API Authentication? The Bruno Handbook

calendar_today July 2, 2026 person ganesh@usebruno.com (Ganesh Patil) domain bruno-api

Every API you call needs to know who you are and whether you are allowed to access the resource. That is API authentication. Bruno ships with seven authentication protocols out of the box, from simple username/password schemes to full OAuth 2.0 flows with browser redirects.

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