Building a robust OAuth token based API Security: A High level Overview

• URL: http://arxiv.org/abs/2507.16870v1
• Date: Tue, 22 Jul 2025 06:14:14 GMT
• Title: Building a robust OAuth token based API Security: A High level Overview
• Authors: Senthilkumar Gopal,
• Abstract summary: This paper presents the fundamentals necessary for building a such a token-based API security system.<n>The intent is to equip developers with the foundational knowledge necessary to build secure, scalable token-based API security systems.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: APIs (Application Programming Interfaces) or Web Services are the foundational building blocks that enable interconnected systems. However this proliferation of APIs has also introduced security challenges that require systematic and scalable solutions for secure authentication and authorization. This paper presents the fundamentals necessary for building a such a token-based API security system. It discusses the components necessary, the integration of OAuth 2.0, extensibility of the token architectures, necessary cryptographic foundations, and persistence strategies to ensure secure and resilient operations. In addition to architectural concerns, the paper explores best practices for token lifecycle management, scope definition, expiration policies, and revocation mechanisms, all framed within a real-world scenario. By adhering to these principles, developers can establish a robust baseline while maintaining the flexibility to customize their domain-specific requirements. The approach does not claim to cover all variations necessary for diverse architectures but instead focuses on key principles essential for any standard API token authentication system. Throughout, the paper emphasizes balancing practical considerations with security imperatives and uses key concepts such as the CIA triad, OAuth standards, secure token life cycle, and practices for protecting sensitive user and application data. The intent is to equip developers with the foundational knowledge necessary to build secure, scalable token-based API security systems ready to handle the evolving threat landscape.

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