Limit requests per second in Golang using time.Tick

golang-limit-requests-per-second.go

package main

import (
	"fmt"
	"time"
)

func main() {
	// Rate limit to 10 requests per second
	for i := 0; i < 100; i++ {
		go sendRequest(i + 1)
	}

	// Wait for all requests to complete
	time.Sleep(time.Second)
}

var limit = 10

var rate = time.Tick(time.Second / time.Duration(limit))

func sendRequest(i int) {
	<-rate // Wait for the next tick
	fmt.Printf("Sent request %d at %v\n", i, time.Now())
}