Oauth 2 0 Three Legged Authentication Setup

via “oauth 2.0 three-legged authentication setup”

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Unique: Implements full OAuth 2.0 3LO flow with PKCE for Jira Cloud, including authorization code exchange and automatic token refresh. Enables secure multi-tenant deployments where users authorize access without sharing credentials.

vs others: More secure than API token-based authentication because users do not share credentials with the service. Enables compliance with security policies that prohibit API token sharing.