curl --request POST \
  --url https://api.stardex.ai/v1/campaigns/{id}/steps \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "email",
  "send_after_days": 4,
  "body_html": "<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>",
  "time_window_start": "09:00",
  "time_window_end": "17:00",
  "include_signature": true
}
'

import requests

url = "https://api.stardex.ai/v1/campaigns/{id}/steps"

payload = {
    "type": "email",
    "send_after_days": 4,
    "body_html": "<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>",
    "time_window_start": "09:00",
    "time_window_end": "17:00",
    "include_signature": True
}
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({
    type: 'email',
    send_after_days: 4,
    body_html: '<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>',
    time_window_start: '09:00',
    time_window_end: '17:00',
    include_signature: true
  })
};

fetch('https://api.stardex.ai/v1/campaigns/{id}/steps', 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://api.stardex.ai/v1/campaigns/{id}/steps",
  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([
    'type' => 'email',
    'send_after_days' => 4,
    'body_html' => '<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>',
    'time_window_start' => '09:00',
    'time_window_end' => '17:00',
    'include_signature' => true
  ]),
  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://api.stardex.ai/v1/campaigns/{id}/steps"

	payload := strings.NewReader("{\n  \"type\": \"email\",\n  \"send_after_days\": 4,\n  \"body_html\": \"<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>\",\n  \"time_window_start\": \"09:00\",\n  \"time_window_end\": \"17:00\",\n  \"include_signature\": true\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://api.stardex.ai/v1/campaigns/{id}/steps")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"type\": \"email\",\n  \"send_after_days\": 4,\n  \"body_html\": \"<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>\",\n  \"time_window_start\": \"09:00\",\n  \"time_window_end\": \"17:00\",\n  \"include_signature\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.stardex.ai/v1/campaigns/{id}/steps")

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  \"type\": \"email\",\n  \"send_after_days\": 4,\n  \"body_html\": \"<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>\",\n  \"time_window_start\": \"09:00\",\n  \"time_window_end\": \"17:00\",\n  \"include_signature\": true\n}"

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

{
  "success": true,
  "data": {
    "step": {
      "id": "2b7d9f1a-5c3e-4a8b-9d6f-0e2c4a6b8d31",
      "order": 4,
      "type": "email",
      "send_after_days": 4,
      "subject": "Re: {{search_name}} role at {{search_client}}",
      "body_html": "<div>Hi {{first_name}}, closing the loop on this. Happy to share more whenever suits.</div><div><br></div><div>{{sender_first_name}}</div>",
      "timezone": "Europe/London",
      "time_window_start": "09:00",
      "time_window_end": "17:00",
      "include_signature": true,
      "block_until_task_complete": false,
      "ai_variables": [],
      "attachments": [],
      "created_at": "2026-10-14T09:02:00.000Z",
      "updated_at": "2026-10-14T09:02:00.000Z"
    },
    "warnings": [
      {
        "code": "existing_enrollees_will_not_receive_this_step",
        "message": "People already in this campaign keep their current steps and will not get this one. Only people enrolled from now on will."
      }
    ]
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}