var request = require('request');
var options = {
'method': 'POST',
'url': 'https://<your_api_key>:<your_api_token><subdomain>/v2/accounts/<your_sid>/campaigns',
'headers': {
'Content-Type': 'application/json'
},

body: JSON.stringify({
"campaigns": [
{
"caller_id": "0XXXX83280",
"lists": [
"b7799a24becf436da672163858e8165d"
],
"campaign_type": "dynamic",
"flow_type": "ivr",
"read_via_text": "Hi @@Name @@Last name , your order ID is @@Order ID . Press 1 to proceed, press 2 to abort",
"retries": {
"number_of_retries": 1,
"interval_mins": 1,
"mechanism": "Exponential",
"on_status": [
"failed",
"busy"
]
},
"status_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"call_status_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"call_schedule_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"custom_field": "{"name": "yo"}"
}
]
})
};

request(options, function (error, response) {
if (error) thrownewError(error);

console.log(response.body);
});

<?php

$curl = curl_init();

curl_setopt_array($curl, array(
CURLOPT_URL => 'https://<your_api_key>:<your_api_token><subdomain>/v2/accounts/<your_sid>/campaigns',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => '',
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 0,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => 'POST',
CURLOPT_POSTFIELDS =>'{
"campaigns": [
{
"caller_id":"0XXXX83280",
"lists":["b7799a24becf436da672163858e8165d"],
"campaign_type":"dynamic",
"flow_type":"ivr",
"read_via_text":"Hi @@Name @@Last name , your order ID is @@Order ID . Press 1 to proceed, press 2 to abort",
"retries": {
"number_of_retries": 1,
"interval_mins": 1,
"mechanism": "Exponential",
"on_status": [
"failed",
"busy"
]
},
"status_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"call_status_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"call_schedule_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"custom_field": "{"name": "yo"}"
}
]
}',
CURLOPT_HTTPHEADER => array(
'Content-Type: application/json'
),
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;

import requests

import json

url = "https://<your_api_key>:<your_api_token><subdomain>/v2/accounts/<your_sid>/campaigns"

payload = json.dumps({
"campaigns": [
{
"caller_id": "0XXXX83280",
"lists": [
"b7799a24becf436da672163858e8165d"
],
"campaign_type": "dynamic",
"flow_type": "ivr",
"read_via_text": "Hi @@Name @@Last name , your order ID is @@Order ID . Press 1 to proceed, press 2 to abort",
"retries": {
"number_of_retries": 1,
"interval_mins": 1,
"mechanism": "Exponential",
"on_status": [
"failed",
"busy"
]
},
"status_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"call_status_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"call_schedule_callback": "https://mycallback.sampledomain.in/1gvta9f1",
"custom_field": "{"name": "yo"}"
}
]
})

headers = {
'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)
print(response.text)

package main

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

func main() {

url := "https://<your_api_key>:<your_api_token><subdomain>/v2/accounts/<your_sid>/campaigns"

method := "POST"

payload := strings.NewReader(`{

"campaigns": [

{

"caller_id":"0XXXX683280",

"lists":["b7799a24becf436da672163858e8165d"],

"campaign_type":"dynamic",

"flow_type":"ivr",

"read_via_text":"Hi @@Name @@Last name , your order ID is @@Order ID . Press 1 to proceed, press 2 to abort",

"retries": {

"number_of_retries": 1,

"interval_mins": 1,

"mechanism": "Exponential",

"on_status": [

"failed",

"busy"

]

},

"status_callback": "https://mycallback.sampledomain.in/1gvta9f1",

"call_status_callback": "https://mycallback.sampledomain.in/1gvta9f1",

"call_schedule_callback": "https://mycallback.sampledomain.in/1gvta9f1",

"custom_field": "{"name": "yo"}"

}

]

}`)

client := &http.Client {
}

req, err := http.NewRequest(method, url, payload)
if err != nil {

fmt.Println(err)
return
}

req.Header.Add("Content-Type", "application/json")

res, err := client.Do(req)
if err != nil {

fmt.Println(err)
return
}

defer res.Body.Close()

body, err := ioutil.ReadAll(res.Body)
if err != nil {

fmt.Println(err)
return
}

fmt.Println(string(body))
}

var request = require("request");
var accountSid = "XXXXXXXXX";
var accountToken = "YYYYYYYYY";
var authKey = "ZZZZZZZZZZ";

var encoding = Buffer.from(authKey + ':' + accountToken).toString('base64')
var options = { method: 'GET',
  url: 'https://api.exotel.com/v2/accounts/'+ accountSid +'/campaigns/491dd6c97d64475ba0ce346a18530ce5',
  headers: 
   { 
     Authorization: 'Basic ' + encoding 
    } };

request(options, function (error, response, body) {
  if (error) throw new Error(error);

  console.log(body);
  
});

<?php
$curl = curl_init();
$accountSid = "XXXXXXXXXX";
$accountToken = "YYYYYYYYYY";
$authKey = "ZZZZZZZZZZ";

$encoding = base64_encode($authKey .":". $accountToken);
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.exotel.com/v2/accounts/".$accountSid."/campaigns/491dd6c97d64475ba0ce346a18530ce5",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_POSTFIELDS => "",
  CURLOPT_HTTPHEADER => array(
    "Authorization: Basic ".$encoding
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);
if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
    

import requests, base64, json
accountSid = "XXXXXXXXX"
authToken = "YYYYYYYYY"
authKey = "ZZZZZZZZZZ"

encoding = base64.b64encode(authKey + ":" + authToken)

url = "https://api.exotel.com/v2/accounts/"+ accountSid +"/campaigns/491dd6c97d64475ba0ce346a18530ce5"

payload = ""
headers = {
    'Authorization': "Basic " + encoding
    }

response = requests.request("GET", url, data=payload, headers=headers)
print(response.text)
print(json.dumps(json.loads(response.text), indent = 4, sort_keys = True))

package main

import (
	b64 "encoding/base64"
	"fmt"
	"io/ioutil"
	"net/http"
)

func main() {

	// Please provide accountSid, authToken from your Exotel account
	accountSid := "XXXXXXXXX"
	authToken := "YYYYYYYY"
	authKey := "ZZZZZZZZZZ"

	// Encoding the accountSid and authToken, used in Authorization header
	encoding := b64.StdEncoding.EncodeToString([]byte(authKey + ":" + authToken))

	url := "https://api.exotel.com/v2/accounts/" + accountSid + "/campaigns/491dd6c97d64475ba0ce346a18530ce5"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Basic "+encoding)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))
}

var request = require("request");
var accountSid = "XXXXXXXXX";
var accountToken = "YYYYYYYYY";
var authKey = "ZZZZZZZZZZ";

var encoding = Buffer.from(authKey + ':' + accountToken).toString('base64')

var options = { method: 'PUT',
  url: 'https://api.exotel.com/v2/accounts/'+ accountSid +'/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a',
  headers: 
   {
     Authorization: 'Basic ' + encoding,
     'Content-Type': 'application/json' 
    },
  body: 
   { campaigns: 
      [ { caller_id: '0XXXXXXXXX1',
          action: 'pause',
          url: 'http://my.exotel.com/<your_sid>/exoml/start_voice/<app_id>' } ] },
  json: true };

request(options, function (error, response, body) {
  if (error) throw new Error(error);

  console.log(body);
  console.log(JSON.stringify(body))
});

<?php
$curl = curl_init();
$accountSid = "XXXXXXXXXX";
$accountToken = "YYYYYYYYYY";
$authKey = "ZZZZZZZZZZ";

$encoding = base64_encode($authKey .":". $accountToken);
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.exotel.com/v2/accounts/".$accountSid."/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => '{
    "campaigns":[{
    "action": "pause",
    "url": "http://my.exotel.com/<your_sid>/exoml/start_voice/<app_id>"}]}',
  CURLOPT_HTTPHEADER => array(
    "Authorization: Basic ".$encoding,
    "Content-Type: application/json"
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
            

import requests, base64, json

accountSid = "XXXXXXXXX"
authToken = "YYYYYYYYY"
authKey = "ZZZZZZZZZZ"

encoding = base64.b64encode(authKey + ":" + authToken)


url = "https://api.exotel.com/v2/accounts/"+accountSid+"/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a"

payload = json.dumps({ "campaigns": [{ 
          "action": "0XXXXXXXXX1", 
          "url": "http://my.exotel.com/<your_sid>/exoml/start_voice/<app_id>"]
        })
headers = {
    'Content-Type': "application/json",
    'Authorization': "Basic " + encoding
    }

response = requests.request("PUT", url, data=payload, headers=headers)

print(response.text)
print(json.dumps(json.loads(response.text), indent = 4, sort_keys = True))

package main

import (
	b64 "encoding/base64"
	"fmt"
	"io/ioutil"
	"net/http"
	"strings"
)

func main() {
	// Please provide accountSid, authToken from your Exotel account
	accountSid := "XXXXXXXXX"
	authToken := "YYYYYYYY"
	authKey := "ZZZZZZZZZZ"

	// Encoding the accountSid and authToken, used in Authorization header
	encoding := b64.StdEncoding.EncodeToString([]byte(authKey + ":" + authToken))
	url := "https://api.exotel.com/v2/accounts/" + accountSid + "/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a"

	payload := strings.NewReader(`{ 
    "campaigns": [{ 
      "action": "pause", 
      "url": "http://my.exotel.com/<your_sid>/exoml/start_voice/<app_id>"
      }]
    }`)

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Content-Type", "application/json")
	req.Header.Add("Authorization", "Basic "+encoding)
	req.Header.Add("cache-control", "no-cache")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}

var request = require("request");
var accountSid = "XXXXXXXXX";
var accountToken = "YYYYYYYYY";
var authKey = "ZZZZZZZZZZ";

var encoding = Buffer.from(authKey + ':' + accountToken).toString('base64')

var options = { method: 'PUT',
  url: 'https://api.exotel.com/v2/accounts/'+ accountSid +'/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a',
  headers: 
   {
     Authorization: 'Basic ' + encoding,
     'Content-Type': 'application/json' 
    },
  body: 
   { campaigns: 
      [ { 
      name: "holi_campaign",
      type: "trans",
      caller_id: "03349360005",
      url: "https://my.exotel.com/<your_sid>/exoml/start_voice/123",
      from: [
          "+917987616844"
      ],
      retries: {
          "number_of_retries": 2,
          "interval_mins": 1,
          "mechanism": "Exponential",
          "on_status": [
              "busy"
          ]
      },
      status_callback: "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d",
      call_status_callback: "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d",
      call_schedule_callback: "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d" } ] },
  json: true };

request(options, function (error, response, body) {
  if (error) throw new Error(error);

  console.log(body);
  console.log(JSON.stringify(body))
});

<?php
$curl = curl_init();
$accountSid = "XXXXXXXXXX";
$accountToken = "YYYYYYYYYY";
$authKey = "ZZZZZZZZZZ";

$encoding = base64_encode($authKey .":". $accountToken);
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.exotel.com/v2/accounts/".$accountSid."/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => '{
    "campaigns": [
        {
            "name": "holi_campaign",
            "type": "trans",
            "caller_id": "03349360005",
            "url": "https://my.exotel.com/<your_sid>/exoml/start_voice/123",
            "from": [
                "+917987616844"
            ],
            "retries": {
                "number_of_retries": 2,
                "interval_mins": 1,
                "mechanism": "Exponential",
                "on_status": [
                    "busy"
                ]
            },
            "status_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d",
            "call_status_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d",
            "call_schedule_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d"
        }
    ]
}',
  CURLOPT_HTTPHEADER => array(
    "Authorization: Basic ".$encoding,
    "Content-Type: application/json"
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

import requests, base64, json

accountSid = "XXXXXXXXX"
authToken = "YYYYYYYYY"
authKey = "ZZZZZZZZZZ"

encoding = base64.b64encode(authKey + ":" + authToken)


url = "https://api.exotel.com/v2/accounts/"+accountSid+"/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a"

payload = json.dumps({ {
    "campaigns": [
        {
            "name": "holi_campaign",
            "type": "trans",
            "caller_id": "03349360005",
            "url": "https://my.exotel.com/<your_sid>/exoml/start_voice/123",
            "from": [
                "+917987616844"
            ],
            "retries": {
                "number_of_retries": 2,
                "interval_mins": 1,
                "mechanism": "Exponential",
                "on_status": [
                    "busy"
                ]
            },
            "status_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d",
            "call_status_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d",
            "call_schedule_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d"
        }
    ]
}
        })
headers = {
    'Content-Type': "application/json",
    'Authorization': "Basic " + encoding
    }

response = requests.request("PUT", url, data=payload, headers=headers)

print(response.text)
print(json.dumps(json.loads(response.text), indent = 4, sort_keys = True))

package main

import (
	b64 "encoding/base64"
"fmt"
"io/ioutil"
"net/http"
"strings"
)

func main() {
// Please provide accountSid, authToken from your Exotel account
	accountSid := "XXXXXXXXX"
	authToken := "YYYYYYYY"
	authKey := "ZZZZZZZZZZ"
// Encoding the accountSid and authToken, used in Authorization header
	encoding := b64.StdEncoding.EncodeToString([]byte(authKey + ":" + authToken))
	url := "https://api.exotel.com/v2/accounts/" + accountSid + "/campaigns/6d49fb6fe1ee4abc8b2c4ea5d2f4015a"

	payload := strings.NewReader(`{ 
    "campaigns": [{ 
      "action": "pause", 
      "url": "http://my.exotel.com/<your_sid>/exoml/start_voice/<app_id>"
      payload := strings.NewReader(
           { 
                { "campaigns": [ 
                { "name": "holi_campaign", 
                  "type": "trans", 
                  "caller_id": "03349360005", 
                  "url": "https://my.exotel.com/<your_sid>/exoml/start_voice/123", 
                  "from": [ "+917987616844" ], 
                  "retries": 
                       { "number_of_retries": 2, 
                         "interval_mins": 1, 
                         "mechanism": "Exponential", 
                         "on_status": [ "busy" ] 
                       }, 
                 "status_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d", 
                 "call_status_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d", 
                 "call_schedule_callback": "https://webhook.site/a5b59df3-c1b6-4a93-aa1a-75f2c8a3721d" 
                 } ] } })
      }]
    }`)

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Content-Type", "application/json")
	req.Header.Add("Authorization", "Basic "+encoding)
	req.Header.Add("cache-control", "no-cache")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))
}

var request = require("request");
var accountSid = "XXXXXXXXX";
var accountToken = "YYYYYYYYY";
var authKey = "ZZZZZZZZZZ";

var encoding = Buffer.from(authKey + ':' + accountToken).toString('base64')

var options = { method: 'DELETE',
  url: 'https://api.exotel.com/v2/accounts/'+ accountSid +'/campaigns/491dd6c97d64475ba0ce346a18530ce5',
  headers: 
   { 
     Authorization: 'Basic ' + encoding 
    } };

request(options, function (error, response, body) {
  if (error) throw new Error(error);

  console.log(body);
  
});

<?php
$curl = curl_init();
$accountSid = "XXXXXXXXXX";
$accountToken = "YYYYYYYYYY";
$authKey = "ZZZZZZZZZZ";
$encoding = base64_encode($authKey .":". $accountToken);
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.exotel.com/v2/accounts/".$accountSid."/campaigns/491dd6c97d64475ba0ce346a18530ce5",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "DELETE",
  CURLOPT_POSTFIELDS => "",
  CURLOPT_HTTPHEADER => array(
    "Authorization: Basic ".$encoding
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
    

import requests, base64, json
accountSid = "XXXXXXXXX"
authToken = "YYYYYYYYY"
authKey = "ZZZZZZZZZZ"

encoding = base64.b64encode(authKey + ":" + authToken)

url = "https://api.exotel.com/v2/accounts/"+ accountSid +"/campaigns/491dd6c97d64475ba0ce346a18530ce5"

payload = ""
headers = {
    'Authorization': "Basic " + encoding
    }

response = requests.request("DELETE", url, data=payload, headers=headers)

print(response.text)
print(json.dumps(json.loads(response.text), indent = 4, sort_keys = True))

package main

import (
	b64 "encoding/base64"
	"fmt"
	"io/ioutil"
	"net/http"
)

func main() {

	// Please provide accountSid, authToken from your Exotel account
	accountSid := "XXXXXXXXX"
	authToken := "YYYYYYYY"
	authKey := "ZZZZZZZZZZ"

	// Encoding the accountSid and authToken, used in Authorization header
	encoding := b64.StdEncoding.EncodeToString([]byte(authKey + ":" + authToken))

	url := "https://api.exotel.com/v2/accounts/" + accountSid + "/campaigns/491dd6c97d64475ba0ce346a18530ce5"

	req, _ := http.NewRequest("DELETE", url, nil)

	req.Header.Add("Authorization", "Basic "+encoding)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}

var request = require("request");
var accountSid = "XXXXXXXXX";
var accountToken = "YYYYYYYYY";
var authKey = "ZZZZZZZZZZ";

var encoding = Buffer.from(authKey + ':' + accountToken).toString('base64')
var options = { method: 'GET',
  url: 'https://api.exotel.com/v2/accounts/'+ accountSid +'/campaigns?offset=0&status=Created,Completed&limit=3',
  headers: 
   { 
     Authorization: 'Basic ' + encoding 
    } };

request(options, function (error, response, body) {
  if (error) throw new Error(error);

  console.log(body);
  
});

<?php
$curl = curl_init();
$accountSid = "XXXXXXXXXX";
$accountToken = "YYYYYYYYYY";
$authKey = "ZZZZZZZZZZ";

$encoding = base64_encode($authKey .":". $accountToken);
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.exotel.com/v2/accounts/".$accountSid."/campaigns?offset=0&status=Created,Completed&limit=3",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_POSTFIELDS => "",
  CURLOPT_HTTPHEADER => array(
    "Authorization: Basic ".$encoding
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);
if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

import requests, base64, json
accountSid = "XXXXXXXXX"
authToken = "YYYYYYYYY"
authKey = "ZZZZZZZZZZ"

encoding = base64.b64encode(authKey + ":" + authToken)

url = "https://api.exotel.com/v2/accounts/"+ accountSid +"/campaigns?offset=0&status=Created,Completed&limit=3"

payload = ""
headers = {
    'Authorization': "Basic " + encoding
    }

response = requests.request("DELETE", url, data=payload, headers=headers)
print(response.text)
print(json.dumps(json.loads(response.text), indent = 4, sort_keys = True))

package main

import (
b64 "encoding/base64"
"fmt"
"io/ioutil"
"net/http"
)

func main() {

// Please provide accountSid, authToken from your Exotel account
accountSid := "XXXXXXXXX"
authToken := "YYYYYYYY"
authKey := "ZZZZZZZZZZ"

// Encoding the accountSid and authToken, used in Authorization header
encoding := b64.StdEncoding.EncodeToString([]byte(authKey + ":" + authToken))

url := "https://api.exotel.com/v2/accounts/" + accountSid + "/campaigns?offset=0&status=Created,Completed&limit=3"

req, _ := http.NewRequest("GET", url, nil)

req.Header.Add("Authorization", "Basic "+encoding)

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := ioutil.ReadAll(res.Body)

fmt.Println(res)
fmt.Println(string(body))
}

var request = require("request");
var accountSid = "XXXXXXXXX";
var accountToken = "YYYYYYYYY";
var authKey = "ZZZZZZZZZZ";

var encoding = Buffer.from(authKey + ':' + accountToken).toString('base64')
var options = { method: 'GET',
  url: 'https://api.exotel.com/v2/accounts/'+ accountSid +'/campaigns/491dd6c97d64475ba0ce346a18530ce5/call-details?status=no-answer,failed&sort_by=date_created:desc&limit=3&offset=0',
  headers: 
   { 
     Authorization: 'Basic ' + encoding 
    } };

request(options, function (error, response, body) {
  if (error) throw new Error(error);

  console.log(body);
  
});

<?php
$curl = curl_init();
$accountSid = "XXXXXXXXXX";
$accountToken = "YYYYYYYYYY";
$authKey = "ZZZZZZZZZZ";

$encoding = base64_encode($authKey .":". $accountToken);
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.exotel.com/v2/accounts/".$accountSid."/campaigns/491dd6c97d64475ba0ce346a18530ce5/call-details?status=no-answer,failed&sort_by=date_created:desc&limit=3&offset=0",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_POSTFIELDS => "",
  CURLOPT_HTTPHEADER => array(
    "Authorization: Basic ".$encoding
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);
if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

import requests, base64, json
accountSid = "XXXXXXXXX"
authToken = "YYYYYYYYY"
authKey = "ZZZZZZZZZZ"

encoding = base64.b64encode(authKey + ":" + authToken)

url = "https://api.exotel.com/v2/accounts/"+ accountSid +"/campaigns/491dd6c97d64475ba0ce346a18530ce5/call-details?status=no-answer,failed&sort_by=date_created:desc&limit=3&offset=0"

payload = ""
headers = {
    'Authorization': "Basic " + encoding
    }

response = requests.request("DELETE", url, data=payload, headers=headers)
print(response.text)
print(json.dumps(json.loads(response.text), indent = 4, sort_keys = True))

package main

import (
b64 "encoding/base64"
"fmt"
"io/ioutil"
"net/http"
)

func main() {
// Please provide accountSid, authToken from your Exotel account
accountSid := "XXXXXXXXX"
authToken := "YYYYYYYY"
authKey := "ZZZZZZZZZZ"
// Encoding the accountSid and authToken, used in Authorization header
encoding := b64.StdEncoding.EncodeToString([]byte(authKey + ":" + authToken))

url := "https://api.exotel.com/v2/accounts/" + accountSid + "/campaigns/491dd6c97d64475ba0ce346a18530ce5/call-details?status=no-answer,failed&sort_by=date_created:desc&limit=3&offset=0"

req, _ := http.NewRequest("GET", url, nil)

req.Header.Add("Authorization", "Basic "+encoding)

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := ioutil.ReadAll(res.Body)

fmt.Println(res)
fmt.Println(string(body))
}