curl --request POST \
  --url https://api.dexnotify.com/api/v1/marketing-campaigns \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "<string>",
  "audience": {
    "listIds": [],
    "excludeListIds": []
  },
  "email": {
    "subject": "",
    "preheader": "<string>",
    "fromName": "",
    "fromEmail": "",
    "replyTo": "<string>",
    "html": "",
    "design": "<unknown>"
  },
  "sms": {
    "sender": "",
    "text": "",
    "unsubscribeMention": true
  }
}
'

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    audience: {listIds: [], excludeListIds: []},
    email: {
      subject: '',
      preheader: '<string>',
      fromName: '',
      fromEmail: '',
      replyTo: '<string>',
      html: '',
      design: '<unknown>'
    },
    sms: {sender: '', text: '', unsubscribeMention: true}
  })
};

fetch('https://api.dexnotify.com/api/v1/marketing-campaigns', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.dexnotify.com/api/v1/marketing-campaigns"

payload = {
    "name": "<string>",
    "audience": {
        "listIds": [],
        "excludeListIds": []
    },
    "email": {
        "subject": "",
        "preheader": "<string>",
        "fromName": "",
        "fromEmail": "",
        "replyTo": "<string>",
        "html": "",
        "design": "<unknown>"
    },
    "sms": {
        "sender": "",
        "text": "",
        "unsubscribeMention": True
    }
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.dexnotify.com/api/v1/marketing-campaigns",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'name' => '<string>',
    'audience' => [
        'listIds' => [
                
        ],
        'excludeListIds' => [
                
        ]
    ],
    'email' => [
        'subject' => '',
        'preheader' => '<string>',
        'fromName' => '',
        'fromEmail' => '',
        'replyTo' => '<string>',
        'html' => '',
        'design' => '<unknown>'
    ],
    'sms' => [
        'sender' => '',
        'text' => '',
        'unsubscribeMention' => true
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

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

curl_close($curl);

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