client.go

package main

import "net"
import "bufio"

func main() {
  conn, err := net.Dial("tcp", ":8080")

  if err != nil {
    println("There was an error:", err)
  }

  my_string_writer := bufio.NewWriter(conn)

  _, err = my_string_writer.WriteString("api_call_1")
  err = my_string_writer.Flush()

  _, err = my_string_writer.WriteString("api_call_2")
  err = my_string_writer.Flush()
}

server.go

package main

import "net"
import "bufio"

func main() {
  ln, err := net.Listen("tcp", ":8080")

  if err != nil {
    println("There was an error:", err)
  }

  for {
    conn, err := ln.Accept()

    if err != nil {
      println("Didn't work")
    }

    reader := bufio.NewReader(conn)
    my_string, err := reader.ReadString('\n')

    switch my_string {
    case "api_call_1": println("Hello")
    case "api_call_2": println("World")
    default:
      println(my_string)
    } 
  }
}