Global Voice and SMS services
for smarter user interactions

Create automated, personalized and contextual communication
with our API covering 220+ countries

Notifications

Trigger personalized and contextual SMS and voice notifications by phone with API integration.

Three text messages to confirm a wire transfer, notify a rider a driver has arrived and confirm a doctor's appointment

Used by:

Autolib logo DejBox logo Auto Planning logo

Call Tracking

Dynamically associate tracked phone numbers to a listing or web page to get the extra data you need to run your marketplace or directory.

call tracking - A mobile phone with different kinds of ads around it

Used by:

ParuVendu.fr logo Zenchef logo CLIQEO logo

User Acquisition and Engagement

Broadcast automated, targeted and contextualized messages to your database for effective user acquisition and engagement all along the customer journey.

A price tag and a text message under it talking about a sale

Used by:

DDB logo Velux logo FIDUCIAL logo

Masked Phone Numbers

Drivers looking for riders, buyers looking for sellers, parents looking for baby-sitters... Easily put your marketplace or platform users in touch via SMS or voice.

Two phones linked by a computer

Used by:

handy logo Bien'ici logo IBM logo Vente privée logo

Custom IVR

With custom Interactive Voice Response (IVR), you can bridge the gap between your telephone and IT system to smooth out the customer experience.

Diagram of a woman using IVR menu

Used by:

Business lead logo Quotatis logo Crédit Agricole logo Solvencia logo

SIP Trunking

Pay as you go. Global network. Direct routes. Adaptive prices.

a world map with CALLR's data centers

Used by:

BlueSolutions by Bolloré logo MeilleursAgents logo

SMS Chatbot

Craft a unique, truly conversational experience and make it available all the time, even offline and on the simplest devices, with CALLR's SMS API

Chatbot - SMS Bot

Used by:

IBM logo

Debt Collection

Don't let your clients' ongoing debts become a burden. Create debt recovery scenarios using a mix of voice and SMS to ease the debt collection process.

Preview of SENDR status report for debt collection

Used by:

Amundi asset management logo Solvencia logo Zenchef logo

Check how easy our API is

Send SMS

Make Calls

Hello CALLR API!

Received

  • JavaScript
  • PHP
  • Python

Copied!

// npm install callr var callr = require('callr'); var api = new callr.api('login', 'password'); api.call('sms.send', 'SMS', '+16469820800', 'Hello CALLR API!', null).success(function(response) { // success callback });
// npm install callr

var callr = require('callr');
var api = new callr.api('login', 'password');

api.call('sms.send', 'SMS', '+16469820800', 'Hello CALLR API!', null).success(function(response) {
    // success callback
});
// composer require 'callr/sdk-php:dev-master' require 'vendor/autoload.php'; $api = new \CALLR\API\Client; $api->setAuthCredentials('login', 'password'); $result = $api->call('sms.send', ['SMS', '+16469820800', 'Hello CALLR API!', null]);
// composer require 'callr/sdk-php:dev-master'

require 'vendor/autoload.php';

$api = new \CALLR\API\Client;
$api->setAuthCredentials('login', 'password');

$result = $api->call('sms.send', ['SMS', '+16469820800', 'Hello CALLR API!', null]);
# pip install callr import callr api = callr.Api("login", "password") result = api.call('sms.send', 'SMS', '+33123456789', 'Hello CALLR API!', None)
# pip install callr

import callr
api = callr.Api("login", "password")

result = api.call('sms.send', 'SMS', '+33123456789', 'Hello CALLR API!', None)

+1 (646) 982-0800
Calling...

  • JavaScript
  • PHP
  • Python

Copied!

// npm install callr var callr = require('callr'); var api = new callr.api('login', 'password'); var target = { number: '+16469820800', timeout: 30 }; var messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call! good bye.']; api.call('calls.broadcast_1', target, messages, null).success(function(result) { // });
// npm install callr

var callr = require('callr');
var api = new callr.api('login', 'password');

var target = {
    number: '+16469820800',
    timeout: 30
};

var messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call! good bye.'];

api.call('calls.broadcast_1', target, messages, null).success(function(result) {
    //
});
// composer require 'callr/sdk-php:dev-master' require 'vendor/autoload.php'; $api = new \CALLR\API\Client; $api->setAuthCredentials('login', 'password'); $target = (object) [ 'number' => '+16469820800', 'timeout' => 30 ]; $messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call. good bye.']; $result = $api->call('calls.broadcast_1', [$target, $messages, null]);
// composer require 'callr/sdk-php:dev-master'

require 'vendor/autoload.php';

$api = new \CALLR\API\Client;
$api->setAuthCredentials('login', 'password');

$target = (object) [
  'number' => '+16469820800',
  'timeout' => 30
];

$messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call. good bye.'];

$result = $api->call('calls.broadcast_1', [$target, $messages, null]);
# pip install callr import callr api = callr.Api("login", "password") target = { 'number': '+16469820800', 'timeout': 30 } messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call! good bye.'] result = api.call('calls.broadcast_1', target, messages, None)
# pip install callr

import callr
api = callr.Api("login", "password")

target = {
    'number': '+16469820800',
    'timeout': 30
}

messages = ['TTS|TTS_EN-GB_SERENA|Hello world! how are you? I hope you enjoy this call! good bye.']

result = api.call('calls.broadcast_1', target, messages, None)