curl --request POST \
  --url https://your-instance.example.com/api/campaigns \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Q2 Lead Gen",
  "message": "Hi {{firstName}}, are you still interested?",
  "newContacts": [
    {
      "firstName": "Jamie",
      "phoneNumber": "+14155550133"
    }
  ],
  "selectedExistingContacts": [
    {
      "_id": "665f1a0c0e0a4b001a2c9f01",
      "firstName": "Sam",
      "lastName": "Patel",
      "phoneNumber": "+14165550100"
    },
    {
      "_id": "665f1a0c0e0a4b001a2c9f02",
      "firstName": "Alex",
      "lastName": "Morgan",
      "phoneNumber": "+14165550101"
    }
  ],
  "scheduleDate": "2026-05-20T15:00:00.000Z",
  "isAutopilot": false,
  "type": "sms"
}
'

import requests

url = "https://your-instance.example.com/api/campaigns"

payload = {
    "name": "Q2 Lead Gen",
    "message": "Hi {{firstName}}, are you still interested?",
    "newContacts": [
        {
            "firstName": "Jamie",
            "phoneNumber": "+14155550133"
        }
    ],
    "selectedExistingContacts": [
        {
            "_id": "665f1a0c0e0a4b001a2c9f01",
            "firstName": "Sam",
            "lastName": "Patel",
            "phoneNumber": "+14165550100"
        },
        {
            "_id": "665f1a0c0e0a4b001a2c9f02",
            "firstName": "Alex",
            "lastName": "Morgan",
            "phoneNumber": "+14165550101"
        }
    ],
    "scheduleDate": "2026-05-20T15:00:00.000Z",
    "isAutopilot": False,
    "type": "sms"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'Q2 Lead Gen',
    message: 'Hi {{firstName}}, are you still interested?',
    newContacts: [{firstName: 'Jamie', phoneNumber: '+14155550133'}],
    selectedExistingContacts: [
      {
        _id: '665f1a0c0e0a4b001a2c9f01',
        firstName: 'Sam',
        lastName: 'Patel',
        phoneNumber: '+14165550100'
      },
      {
        _id: '665f1a0c0e0a4b001a2c9f02',
        firstName: 'Alex',
        lastName: 'Morgan',
        phoneNumber: '+14165550101'
      }
    ],
    scheduleDate: '2026-05-20T15:00:00.000Z',
    isAutopilot: false,
    type: 'sms'
  })
};

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

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://your-instance.example.com/api/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' => 'Q2 Lead Gen',
    'message' => 'Hi {{firstName}}, are you still interested?',
    'newContacts' => [
        [
                'firstName' => 'Jamie',
                'phoneNumber' => '+14155550133'
        ]
    ],
    'selectedExistingContacts' => [
        [
                '_id' => '665f1a0c0e0a4b001a2c9f01',
                'firstName' => 'Sam',
                'lastName' => 'Patel',
                'phoneNumber' => '+14165550100'
        ],
        [
                '_id' => '665f1a0c0e0a4b001a2c9f02',
                'firstName' => 'Alex',
                'lastName' => 'Morgan',
                'phoneNumber' => '+14165550101'
        ]
    ],
    'scheduleDate' => '2026-05-20T15:00:00.000Z',
    'isAutopilot' => false,
    'type' => 'sms'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://your-instance.example.com/api/campaigns"

	payload := strings.NewReader("{\n  \"name\": \"Q2 Lead Gen\",\n  \"message\": \"Hi {{firstName}}, are you still interested?\",\n  \"newContacts\": [\n    {\n      \"firstName\": \"Jamie\",\n      \"phoneNumber\": \"+14155550133\"\n    }\n  ],\n  \"selectedExistingContacts\": [\n    {\n      \"_id\": \"665f1a0c0e0a4b001a2c9f01\",\n      \"firstName\": \"Sam\",\n      \"lastName\": \"Patel\",\n      \"phoneNumber\": \"+14165550100\"\n    },\n    {\n      \"_id\": \"665f1a0c0e0a4b001a2c9f02\",\n      \"firstName\": \"Alex\",\n      \"lastName\": \"Morgan\",\n      \"phoneNumber\": \"+14165550101\"\n    }\n  ],\n  \"scheduleDate\": \"2026-05-20T15:00:00.000Z\",\n  \"isAutopilot\": false,\n  \"type\": \"sms\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://your-instance.example.com/api/campaigns")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Q2 Lead Gen\",\n  \"message\": \"Hi {{firstName}}, are you still interested?\",\n  \"newContacts\": [\n    {\n      \"firstName\": \"Jamie\",\n      \"phoneNumber\": \"+14155550133\"\n    }\n  ],\n  \"selectedExistingContacts\": [\n    {\n      \"_id\": \"665f1a0c0e0a4b001a2c9f01\",\n      \"firstName\": \"Sam\",\n      \"lastName\": \"Patel\",\n      \"phoneNumber\": \"+14165550100\"\n    },\n    {\n      \"_id\": \"665f1a0c0e0a4b001a2c9f02\",\n      \"firstName\": \"Alex\",\n      \"lastName\": \"Morgan\",\n      \"phoneNumber\": \"+14165550101\"\n    }\n  ],\n  \"scheduleDate\": \"2026-05-20T15:00:00.000Z\",\n  \"isAutopilot\": false,\n  \"type\": \"sms\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://your-instance.example.com/api/campaigns")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Q2 Lead Gen\",\n  \"message\": \"Hi {{firstName}}, are you still interested?\",\n  \"newContacts\": [\n    {\n      \"firstName\": \"Jamie\",\n      \"phoneNumber\": \"+14155550133\"\n    }\n  ],\n  \"selectedExistingContacts\": [\n    {\n      \"_id\": \"665f1a0c0e0a4b001a2c9f01\",\n      \"firstName\": \"Sam\",\n      \"lastName\": \"Patel\",\n      \"phoneNumber\": \"+14165550100\"\n    },\n    {\n      \"_id\": \"665f1a0c0e0a4b001a2c9f02\",\n      \"firstName\": \"Alex\",\n      \"lastName\": \"Morgan\",\n      \"phoneNumber\": \"+14165550101\"\n    }\n  ],\n  \"scheduleDate\": \"2026-05-20T15:00:00.000Z\",\n  \"isAutopilot\": false,\n  \"type\": \"sms\"\n}"

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

{
  "success": true,
  "message": "Campaign created",
  "data": {
    "_id": "665f1a0c0e0a4b001a2c9f10",
    "name": "Q2 Lead Gen",
    "status": "scheduled",
    "scheduleDate": "2026-05-20T15:00:00.000Z"
  }
}

{
  "success": false,
  "message": "Validation error",
  "error": "name is required"
}

{
  "success": false,
  "message": "Validation error",
  "error": "name is required"
}