WebSocket with Node.js

 Set up a WebSocket server in Node.js | Postman Blog

While REST remains the most-used API architecture by far, it lost a bit of ground to newcomers. Some 89% of survey takers selected it, down from 92% last year. Gaining popularity this year were Webhooks (35% versus 33% last year), GraphQL (28% versus 24%), and gRPC (11% versus 8%). Their growth in popularity comes as gRPC is used for internal microservices and GraphQL for stitching together disparate data sources.

2022 State of the API Report | API Technologies