curl --request POST \
  --url https://api.hubapi.com/crm/v3/pipelines/{objectType} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "displayOrder": 0,
  "label": "My replaced pipeline",
  "stages": [
    {
      "displayOrder": 0,
      "label": "In Progress",
      "metadata": {
        "ticketState": "OPEN"
      }
    },
    {
      "displayOrder": 1,
      "label": "Done",
      "metadata": {
        "ticketState": "CLOSED"
      }
    }
  ]
}
'

import requests

url = "https://api.hubapi.com/crm/v3/pipelines/{objectType}"

payload = {
    "displayOrder": 0,
    "label": "My replaced pipeline",
    "stages": [
        {
            "displayOrder": 0,
            "label": "In Progress",
            "metadata": { "ticketState": "OPEN" }
        },
        {
            "displayOrder": 1,
            "label": "Done",
            "metadata": { "ticketState": "CLOSED" }
        }
    ]
}
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({
    displayOrder: 0,
    label: 'My replaced pipeline',
    stages: [
      {displayOrder: 0, label: 'In Progress', metadata: {ticketState: 'OPEN'}},
      {displayOrder: 1, label: 'Done', metadata: {ticketState: 'CLOSED'}}
    ]
  })
};

fetch('https://api.hubapi.com/crm/v3/pipelines/{objectType}', 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.hubapi.com/crm/v3/pipelines/{objectType}",
  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([
    'displayOrder' => 0,
    'label' => 'My replaced pipeline',
    'stages' => [
        [
                'displayOrder' => 0,
                'label' => 'In Progress',
                'metadata' => [
                                'ticketState' => 'OPEN'
                ]
        ],
        [
                'displayOrder' => 1,
                'label' => 'Done',
                'metadata' => [
                                'ticketState' => 'CLOSED'
                ]
        ]
    ]
  ]),
  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.hubapi.com/crm/v3/pipelines/{objectType}"

	payload := strings.NewReader("{\n  \"displayOrder\": 0,\n  \"label\": \"My replaced pipeline\",\n  \"stages\": [\n    {\n      \"displayOrder\": 0,\n      \"label\": \"In Progress\",\n      \"metadata\": {\n        \"ticketState\": \"OPEN\"\n      }\n    },\n    {\n      \"displayOrder\": 1,\n      \"label\": \"Done\",\n      \"metadata\": {\n        \"ticketState\": \"CLOSED\"\n      }\n    }\n  ]\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.hubapi.com/crm/v3/pipelines/{objectType}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"displayOrder\": 0,\n  \"label\": \"My replaced pipeline\",\n  \"stages\": [\n    {\n      \"displayOrder\": 0,\n      \"label\": \"In Progress\",\n      \"metadata\": {\n        \"ticketState\": \"OPEN\"\n      }\n    },\n    {\n      \"displayOrder\": 1,\n      \"label\": \"Done\",\n      \"metadata\": {\n        \"ticketState\": \"CLOSED\"\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hubapi.com/crm/v3/pipelines/{objectType}")

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  \"displayOrder\": 0,\n  \"label\": \"My replaced pipeline\",\n  \"stages\": [\n    {\n      \"displayOrder\": 0,\n      \"label\": \"In Progress\",\n      \"metadata\": {\n        \"ticketState\": \"OPEN\"\n      }\n    },\n    {\n      \"displayOrder\": 1,\n      \"label\": \"Done\",\n      \"metadata\": {\n        \"ticketState\": \"CLOSED\"\n      }\n    }\n  ]\n}"

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

{
  "archived": false,
  "createdAt": "2019-10-30T03:30:17.883Z",
  "displayOrder": 0,
  "id": "812723471",
  "label": "My ticket pipeline",
  "stages": [
    {
      "archived": false,
      "createdAt": "2019-10-30T03:30:17.883Z",
      "displayOrder": 0,
      "id": "1234912",
      "label": "In Progress",
      "metadata": {
        "ticketState": "OPEN"
      },
      "updatedAt": "2019-12-07T16:50:06.678Z"
    },
    {
      "archived": false,
      "createdAt": "2019-10-30T03:30:17.883Z",
      "displayOrder": 0,
      "id": "1234914",
      "label": "Done",
      "metadata": {
        "ticketState": "CLOSED"
      },
      "updatedAt": "2019-12-07T16:50:06.678Z"
    }
  ],
  "updatedAt": "2019-12-07T16:50:06.678Z"
}

{
  "message": "Invalid input (details will vary based on the error)",
  "correlationId": "aeb5f871-7f07-4993-9211-075dc63e7cbf",
  "category": "VALIDATION_ERROR",
  "links": {
    "knowledge-base": "https://www.hubspot.com/products/service/knowledge-base"
  }
}