![]() ![]() Let’s look at an alternative to address this concern. The repetitive nature of referencing property names-even when compressed-can lead to bloated messages. While JSON may be human-readable, it is not optimal when used between services. Given this request, our response (irrelevant headers omitted) may look like: HTTP/1.1 200 OK Here, we request a product resource with an ID of 11 and direct the API to respond in JSON format: GET /products/11 HTTP/1.1 To illustrate, let’s look at a simplified example of retrieving a product via a REST API. Request and response bodies contain data that is specific to the operation, while their headers provide metadata. ![]() A REST API is generally built on the HTTP protocol, using a URI to select a resource and an HTTP verb (e.g., GET, PUT, POST) to select the desired operation. Representational state transfer (REST) is a means of retrieving or manipulating a service’s data. While REST is a favored approach, gRPC is a worthy contender, offering high performance, typed contracts, and excellent tooling. ![]() Many standard technologies address the interservice communication needs of distributed systems, such as REST, SOAP, GraphQL, or gRPC. APIs bridge communication between services that may represent a single, complex system but may also reside on separate machines or use multiple, incompatible networks or languages. In today’s technology landscape, most projects require the use of APIs. ![]()
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