There are six different types of API Architectures, which are mentioned below:
Monolithic Architecture: The entire application is a single unit; it is simple but hard to scale.
Service-Oriented Architecture (SOA): This application is composed of multiple services communicating over a network.
Microservices Architecture: These are small, independent services meant for better scalability and maintainability.
Event-Driven Architecture (EDA): These services communicate through events for loose coupling and scalability.
Serverless Architecture: These functions are executed in response to events or API invocations; they are managed by the cloud provider.
GraphQL Architecture: This query language allows clients to request specific data efficiently.