curl --request GET \
  --url https://api.lemlist.com/api/calls/{id} \
  --header 'Authorization: Basic <encoded-value>'

import requests

url = "https://api.lemlist.com/api/calls/{id}"

headers = {"Authorization": "Basic <encoded-value>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Basic <encoded-value>'}};

fetch('https://api.lemlist.com/api/calls/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

require 'uri'
require 'net/http'

url = URI("https://api.lemlist.com/api/calls/{id}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Basic <encoded-value>'

response = http.request(request)
puts response.read_body

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.lemlist.com/api/calls/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>"
  ],
]);

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

curl_close($curl);

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

{
  "success": true,
  "data": {
    "_id": "act_Z8gP3xYq2bKd9mLn7",
    "externalId": "trellus-8f2c1",
    "contactId": "ctc_7Ks2PqW9mXb4Lc1Td",
    "leadId": "lea_2Hn8VbQ4wRz6Ym3Jk",
    "campaignId": "cam_5Fd9LpX2cVt7Nq8Wb",
    "taskId": "opp_9Xw4RtY7kLm2Pq6Zc",
    "userId": "usr_3Bv7GhT5nJk8Lm2Qx",
    "direction": "outbound",
    "from": "+33100000000",
    "to": "+33612345678",
    "startedAt": "2026-10-21T09:30:00.000Z",
    "endedAt": "2026-10-21T09:30:45.000Z",
    "duration": 45,
    "callStatus": "left-voicemail",
    "note": "Left a voicemail, call back Thursday.",
    "phoneProvider": "api",
    "provider": "trellus",
    "hasRecording": true,
    "hasTranscript": true,
    "createdAt": "2026-10-21T09:30:00.000Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Match error: Expected a valid id"
  }
}

{
  "error": "Unauthorized"
}

{
  "success": false,
  "error": {
    "code": "CALLS_CALL_NOT_FOUND",
    "message": "Call not found."
  }
}

{
  "error": "Route bad method"
}

{
  "success": false,
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "Internal error"
  }
}