curl --request POST \
  --url https://api.example.com/api/v1/campaigns/{campaign_id}/step-delays/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "delays": [
    {
      "step": 100,
      "delay_days": 182
    }
  ],
  "scope": "new_and_unstarted",
  "expected_updated_at": "2023-11-07T05:31:56Z"
}
'

import requests

url = "https://api.example.com/api/v1/campaigns/{campaign_id}/step-delays/preview"

payload = {
    "delays": [
        {
            "step": 100,
            "delay_days": 182
        }
    ],
    "scope": "new_and_unstarted",
    "expected_updated_at": "2023-11-07T05:31:56Z"
}
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({
    delays: [{step: 100, delay_days: 182}],
    scope: 'new_and_unstarted',
    expected_updated_at: '2023-11-07T05:31:56Z'
  })
};

fetch('https://api.example.com/api/v1/campaigns/{campaign_id}/step-delays/preview', 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.example.com/api/v1/campaigns/{campaign_id}/step-delays/preview",
  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([
    'delays' => [
        [
                'step' => 100,
                'delay_days' => 182
        ]
    ],
    'scope' => 'new_and_unstarted',
    'expected_updated_at' => '2023-11-07T05:31:56Z'
  ]),
  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.example.com/api/v1/campaigns/{campaign_id}/step-delays/preview"

	payload := strings.NewReader("{\n  \"delays\": [\n    {\n      \"step\": 100,\n      \"delay_days\": 182\n    }\n  ],\n  \"scope\": \"new_and_unstarted\",\n  \"expected_updated_at\": \"2023-11-07T05:31:56Z\"\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.example.com/api/v1/campaigns/{campaign_id}/step-delays/preview")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"delays\": [\n    {\n      \"step\": 100,\n      \"delay_days\": 182\n    }\n  ],\n  \"scope\": \"new_and_unstarted\",\n  \"expected_updated_at\": \"2023-11-07T05:31:56Z\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/v1/campaigns/{campaign_id}/step-delays/preview")

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  \"delays\": [\n    {\n      \"step\": 100,\n      \"delay_days\": 182\n    }\n  ],\n  \"scope\": \"new_and_unstarted\",\n  \"expected_updated_at\": \"2023-11-07T05:31:56Z\"\n}"

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

{
  "campaign_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "status": "draft",
  "version": "2023-11-07T05:31:56Z",
  "scope": "new_and_unstarted",
  "applied": true,
  "cohorts": {
    "leads_not_started": 0,
    "leads_in_flight": 0,
    "leads_waiting_acceptance": 0,
    "leads_sending_now": 0,
    "leads_finished": 0,
    "earliest_in_flight_step": 123,
    "leads_pinned": 0,
    "leads_already_pinned": 0,
    "leads_protection_unknown": 0
  },
  "already_applied": false,
  "version_conflict": false,
  "blocking": [
    "<string>"
  ],
  "changes": [
    {
      "step": 123,
      "channel": "<string>",
      "delay_days": 123,
      "is_change": true,
      "action_type": "<string>",
      "current_delay_days": 123,
      "current_delay_malformed": false,
      "leads_affected": 0,
      "leads_protected": 0,
      "leads_waiting_acceptance_protected": 0,
      "leads_past_step": 0
    }
  ],
  "steps": [
    {
      "step": 123,
      "channel": "<string>",
      "editable": true,
      "action_type": "<string>",
      "delay_days": 123,
      "stored_delay_days": 123
    }
  ],
  "notes": [
    "<string>"
  ]
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}