What are the Three Security Schemes by Which API Security can be Implemented?

Three key security schemes for implementing API security are:

• OAuth 2.0: This scheme provides secure authorization by allowing applications to access resources on behalf of users via access tokens. It supports various grant types for different scenarios, ensuring controlled and limited access.

• API Keys: API keys are unique identifiers passed with API requests to authenticate and authorize access. They are often used for identifying and controlling API usage but should be used with HTTPS to secure the transmission.

• JWT (JSON Web Tokens): JWTs are used for securely transmitting information between parties as JSON objects. They are signed and optionally encrypted, ensuring data integrity and allowing secure token-based authentication and authorization.

These schemes help ensure that only authorized users can access API resources and perform specific actions.

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