A command-line tool for fetching OAuth 2.0 access tokens using any grant type or client authentication method.
OAuth2c is a command-line tool for interacting with OAuth 2.0 authorization servers to fetch access tokens. It simplifies the process of obtaining tokens using any grant type or client authentication method, supporting a wide range of OAuth 2.0, OIDC, OIDF FAPI, and JWT profiles. It solves the problem of manually crafting OAuth requests and handling complex authentication flows.
Developers, DevOps engineers, and security professionals who need to test, debug, or automate OAuth 2.0 integrations, especially those working with APIs requiring token-based authentication.
Developers choose OAuth2c for its comprehensive support of OAuth 2.0 standards, ease of use in both interactive and automated environments, and its ability to handle advanced security extensions like PKCE and JARM without manual configuration.
User-friendly OAuth2 CLI
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Supports all standard and advanced OAuth flows like authorization code, implicit, device, and token exchange, with detailed examples for each in the README.
Integrates PKCE, JARM, PAR, DPoP, and RAR for enhanced security, making it suitable for compliance with profiles like FAPI, as demonstrated in the extensions section.
Works with multiple client authentication methods from client secret basic to private key JWT and TLS client auth, covering diverse use cases shown in the auth methods examples.
Offers a silent mode for automated pipelines, allowing token retrieval in scripts without user interaction, highlighted in the usage and examples.
The tool has over 50 flags and options, which can be overwhelming for users not deeply familiar with OAuth intricacies, as seen in the lengthy usage section.
Examples in the README rely on jq for parsing JSON output, adding an extra step for full automation and complicating script setup.
Limited to CLI usage, making it less suitable for applications that require programmatic integration without shell scripting or for users preferring visual interfaces.