The client sends a request with using http protocols and

waits for a response from the service.

▪ The synchronous communication protocols can be HTTP or

HTTPS.

▪ Request/response communication with HTTP and REST

Protocol (extends gRPC and GraphQL)

▪ REST HTTP APIs when exposing from microservices

▪ gRPC APIs when communicate internal microservices

▪ GraphQL APIs when structured flexible data in microservices

▪ WebSocket APIs when real-time bi-directional communication

▪ How can we design and exposing APIs with HTTP protocols

for our microservices ?

https://medium.com/design-microservices-architecture-with-patterns/microservices-communications-f319f8d76b71#:~:text=Because%20microservices%20are%20distributed%20and,or%20message%20brokers%20AMQP%20protocol.