{
    "identity": ["client-19827239", "abc"]
}
OR
{
    "identity": "client-19827239"
}
OR 
{
    "guid": ["ctid123", "ctid456"]
}
OR
{
    "guid": "clientid123"
}

curl -X POST -d '{"guid":"df2e224d90874887b4d61153ef3a2508"}' "https://in1.api.clevertap.com/1/delete/profiles.json" \
-H "X-CleverTap-Account-Id: ACCOUNT_ID" \
-H "X-CleverTap-Passcode: PASSCODE" \
-H "Content-Type: application/json; charset=utf-8"

require 'net/http'
require 'uri'
require 'json'

uri = URI.parse("https://in1.api.clevertap.com/1/delete/profiles.json")
request = Net::HTTP::Post.new(uri)
request.content_type = "application/json; charset=utf-8"
request["X-Clevertap-Account-Id"] = "ACCOUNT_ID"
request["X-Clevertap-Passcode"] = "PASSCODE"
request.body = JSON.dump({
  "guid" => "df2e224d90874887b4d61153ef3a2508"
})

req_options = {
  use_ssl: uri.scheme == "https",
}

response = Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
  http.request(request)
end

import requests

headers = {
    'X-CleverTap-Account-Id': 'ACCOUNT_ID',
    'X-CleverTap-Passcode': 'PASSCODE',
    'Content-Type': 'application/json; charset=utf-8',
}

data = '{"guid":"df2e224d90874887b4d61153ef3a2508"}'

response = requests.post('https://in1.api.clevertap.com/1/delete/profiles.json', headers=headers, data=data)

<?php
include('vendor/rmccue/requests/library/Requests.php');
Requests::register_autoloader();
$headers = array(
    'X-CleverTap-Account-Id' => 'ACCOUNT_ID',
    'X-CleverTap-Passcode' => 'PASSCODE',
    'Content-Type' => 'application/json; charset=utf-8'
);
$data = '{"guid":"df2e224d90874887b4d61153ef3a2508"}';
$response = Requests::post('https://in1.api.clevertap.com/1/delete/profiles.json', $headers, $data);

var request = require('request');

var headers = {
    'X-CleverTap-Account-Id': 'ACCOUNT_ID',
    'X-CleverTap-Passcode': 'PASSCODE',
    'Content-Type': 'application/json; charset=utf-8'
};

var dataString = '{"guid":"df2e224d90874887b4d61153ef3a2508"}';

var options = {
    url: 'https://in1.api.clevertap.com/1/delete/profiles.json',
    method: 'POST',
    headers: headers,
    body: dataString
};

function callback(error, response, body) {
    if (!error && response.statusCode == 200) {
        console.log(body);
    }
}

request(options, callback);

type Payload struct {
    GUID string `json:"guid"`
}

data := Payload{
// fill struct
}
payloadBytes, err := json.Marshal(data)
if err != nil {
    // handle err
}
body := bytes.NewReader(payloadBytes)

req, err := http.NewRequest("POST", "https://in1.api.clevertap.com/1/delete/profiles.json", body)
if err != nil {
    // handle err
}
req.Header.Set("X-Clevertap-Account-Id", "ACCOUNT_ID")
req.Header.Set("X-Clevertap-Passcode", "PASSCODE")
req.Header.Set("Content-Type", "application/json; charset=utf-8")

resp, err := http.DefaultClient.Do(req)
if err != nil {
    // handle err
}
defer resp.Body.Close()

{
  "status": "success"
}