It avoids premature optimization. It is possible to always take into consideration microservices later on if wanted (It is common to start monolithic and extract microservices as being the product or service grows). Impartial software package components with autonomous performance that communicate with one another working with APIs. Reduced scalability: https://robertf296wdj1.p2blogs.com/34291355/facts-about-api-integration-for-microservices-revealed