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ClickSend REST API v3

clicksend · Communication

Communication No Auth Free & Open email

This is the official API documentation for ClickSend.com Below you will find a current list of the available methods for clicksend. **NOTE**: You will need to create a free account to use the API. You can [**Register Here**](https://dashboard.clicksend.com/#/signup/step1/). # API URL The API should always be accessed over SSL. Base URL: `https://rest.clicksend.com/v3/` # Authentication Basic HTTP authentication should be used in the header. **Either:** `username`: Your API username `p

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Get account

Get account

https://api.apis.guru/v2/specs/clicksend.com/1.0.0/account

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/account"
import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/account",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/clicksend.com/1.0.0/account';

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/account"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/clicksend.com/1.0.0/account")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/account";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET List Contact Suggestions

List Contact Suggestions

https://api.apis.guru/v2/specs/clicksend.com/1.0.0/contact-suggestions

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/contact-suggestions"
import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/contact-suggestions",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/clicksend.com/1.0.0/contact-suggestions';

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/contact-suggestions"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/clicksend.com/1.0.0/contact-suggestions")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/contact-suggestions";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET Get all Countries

Get all Countries

https://api.apis.guru/v2/specs/clicksend.com/1.0.0/countries

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/countries"
import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/countries",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/clicksend.com/1.0.0/countries';

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/countries"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/clicksend.com/1.0.0/countries")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/clicksend.com/1.0.0/countries";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. See official documentation for authentication and setup.

What can you build with ClickSend REST API v3?

ClickSend REST API v3 is a Communication API. Developers commonly use communication APIs for:

  • sending SMS alerts and notifications
  • building in-app chat and messaging features
  • automating email sequences and transactional emails
  • creating voice bots and IVR systems
  • verifying phone numbers at signup

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. ClickSend REST API v3 is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

Open documentation ↗