Simple Webservice in GoLang

api.go

package main

import (
	"net/http"
	"github.com/gin-gonic/gin"
)

func main() {

	router := gin.Default()

	router.GET("/sayhello", func(c *gin.Context) {
    c.JSON(http.StatusOK, gin.H{
      "result": "Hello World",
    })
  })

	router.Run(":3000")
}

Requirements:

go get "github.com/gin-gonic/gin"