Air India Software Architect Interview Questions and Answers

Idempotency in REST APIs ensures that multiple identical requests have the same effect as a single request.

• Idempotency means that the result of a successful request is the same regardless of how many times it is made.

• GET and PUT requests are typically idempotent, while POST requests are not.

• Using unique identifiers like UUIDs in requests can help ensure idempotency.

• Idempotency is important for ensuring data consistency

Design considerations for building an API

• Define clear and consistent naming conventions for endpoints and parameters

• Use versioning to manage changes and updates without breaking existing clients

• Implement proper authentication and authorization mechanisms to secure the API

• Design for scalability and performance by considering caching, rate limiting, and pagination

• Provide comprehensive documentation to guide developers on