This documentation is for WSO2 API Manager 1.6.0 View documentation for the latest release.
Page Comparison - Architecture (v.10 vs v.11) - API Manager 1.6.0 - WSO2 Documentation

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The API Key Manager component handles all security and key-related operations. When API Gateway receives API calls, it contacts the API Key Manager service to verify the validity of tokens and do security checks. When API Gateway receives calls to loginlog in, it directly forwards the calls to Key Manager server. You must pass username, password, consumer key and consumer secret key with it to register their applications. All tokens used for validation are based on OAuth 2.0.0 protocol. Secure authorization of APIs is provided by the OAuth 2.0 standard for key management. The API Gateway supports API authentication with OAuth 2.0, and enables IT organizations to enforce rate limits and throttling policies.

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