What are the disadvantages of a RESTful architecture?

As an AI language model, I do not have personal opinions. But, such as per some software architects, below are a few disadvantages:

1. Overhead: RESTful applications can have a lot of overhead, which can lead to performance issues.
2. Complexity: A RESTful architecture can be complicated to implement and can require significant resources to set up and maintain.
3. Limited functionality: RESTful applications are designed for simple exchanges of data between clients and servers. Consequently, more advanced functions may require additional protocols or APIs.
4. Security Concerns: RESTful web services may have some vulnerabilities related to data privacy and security, such as a higher risk of SQL injection attacks or other kinds of cyber threats.
5. Limited flexibility: RESTful APIs can be hard to modify, as each endpoint has a specific purpose and while designing it, a lot of consideration needs to be invested in creating specifications, since changes can lead to breakage of workflows.
6. Semantic interoperability challenges: Different developers may use different terminologies or meanings for certain calls or data, which can hinder semantic interoperability.

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