curl --request POST \
  --url https://api.hubapi.com/crm/v3/properties/{objectType}/batch/create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "inputs": [
    {
      "displayOrder": 2,
      "fieldType": "select",
      "formField": true,
      "groupName": "contactinformation",
      "hasUniqueValue": false,
      "hidden": false,
      "label": "My Contact Property",
      "name": "my_contact_property",
      "options": [
        {
          "description": "Choice number one",
          "displayOrder": 1,
          "hidden": false,
          "label": "Option A",
          "value": "A"
        },
        {
          "description": "Choice number two",
          "displayOrder": 2,
          "hidden": false,
          "label": "Option B",
          "value": "B"
        }
      ],
      "type": "enumeration"
    }
  ]
}
'

import requests

url = "https://api.hubapi.com/crm/v3/properties/{objectType}/batch/create"

payload = { "inputs": [
        {
            "displayOrder": 2,
            "fieldType": "select",
            "formField": True,
            "groupName": "contactinformation",
            "hasUniqueValue": False,
            "hidden": False,
            "label": "My Contact Property",
            "name": "my_contact_property",
            "options": [
                {
                    "description": "Choice number one",
                    "displayOrder": 1,
                    "hidden": False,
                    "label": "Option A",
                    "value": "A"
                },
                {
                    "description": "Choice number two",
                    "displayOrder": 2,
                    "hidden": False,
                    "label": "Option B",
                    "value": "B"
                }
            ],
            "type": "enumeration"
        }
    ] }
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({
    inputs: [
      {
        displayOrder: 2,
        fieldType: 'select',
        formField: true,
        groupName: 'contactinformation',
        hasUniqueValue: false,
        hidden: false,
        label: 'My Contact Property',
        name: 'my_contact_property',
        options: [
          {
            description: 'Choice number one',
            displayOrder: 1,
            hidden: false,
            label: 'Option A',
            value: 'A'
          },
          {
            description: 'Choice number two',
            displayOrder: 2,
            hidden: false,
            label: 'Option B',
            value: 'B'
          }
        ],
        type: 'enumeration'
      }
    ]
  })
};

fetch('https://api.hubapi.com/crm/v3/properties/{objectType}/batch/create', 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/properties/{objectType}/batch/create",
  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([
    'inputs' => [
        [
                'displayOrder' => 2,
                'fieldType' => 'select',
                'formField' => true,
                'groupName' => 'contactinformation',
                'hasUniqueValue' => false,
                'hidden' => false,
                'label' => 'My Contact Property',
                'name' => 'my_contact_property',
                'options' => [
                                [
                                                                'description' => 'Choice number one',
                                                                'displayOrder' => 1,
                                                                'hidden' => false,
                                                                'label' => 'Option A',
                                                                'value' => 'A'
                                ],
                                [
                                                                'description' => 'Choice number two',
                                                                'displayOrder' => 2,
                                                                'hidden' => false,
                                                                'label' => 'Option B',
                                                                'value' => 'B'
                                ]
                ],
                'type' => 'enumeration'
        ]
    ]
  ]),
  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/properties/{objectType}/batch/create"

	payload := strings.NewReader("{\n  \"inputs\": [\n    {\n      \"displayOrder\": 2,\n      \"fieldType\": \"select\",\n      \"formField\": true,\n      \"groupName\": \"contactinformation\",\n      \"hasUniqueValue\": false,\n      \"hidden\": false,\n      \"label\": \"My Contact Property\",\n      \"name\": \"my_contact_property\",\n      \"options\": [\n        {\n          \"description\": \"Choice number one\",\n          \"displayOrder\": 1,\n          \"hidden\": false,\n          \"label\": \"Option A\",\n          \"value\": \"A\"\n        },\n        {\n          \"description\": \"Choice number two\",\n          \"displayOrder\": 2,\n          \"hidden\": false,\n          \"label\": \"Option B\",\n          \"value\": \"B\"\n        }\n      ],\n      \"type\": \"enumeration\"\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/properties/{objectType}/batch/create")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"inputs\": [\n    {\n      \"displayOrder\": 2,\n      \"fieldType\": \"select\",\n      \"formField\": true,\n      \"groupName\": \"contactinformation\",\n      \"hasUniqueValue\": false,\n      \"hidden\": false,\n      \"label\": \"My Contact Property\",\n      \"name\": \"my_contact_property\",\n      \"options\": [\n        {\n          \"description\": \"Choice number one\",\n          \"displayOrder\": 1,\n          \"hidden\": false,\n          \"label\": \"Option A\",\n          \"value\": \"A\"\n        },\n        {\n          \"description\": \"Choice number two\",\n          \"displayOrder\": 2,\n          \"hidden\": false,\n          \"label\": \"Option B\",\n          \"value\": \"B\"\n        }\n      ],\n      \"type\": \"enumeration\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

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

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  \"inputs\": [\n    {\n      \"displayOrder\": 2,\n      \"fieldType\": \"select\",\n      \"formField\": true,\n      \"groupName\": \"contactinformation\",\n      \"hasUniqueValue\": false,\n      \"hidden\": false,\n      \"label\": \"My Contact Property\",\n      \"name\": \"my_contact_property\",\n      \"options\": [\n        {\n          \"description\": \"Choice number one\",\n          \"displayOrder\": 1,\n          \"hidden\": false,\n          \"label\": \"Option A\",\n          \"value\": \"A\"\n        },\n        {\n          \"description\": \"Choice number two\",\n          \"displayOrder\": 2,\n          \"hidden\": false,\n          \"label\": \"Option B\",\n          \"value\": \"B\"\n        }\n      ],\n      \"type\": \"enumeration\"\n    }\n  ]\n}"

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

{
  "completedAt": "2023-11-07T05:31:56Z",
  "results": [
    {
      "displayOrder": 2,
      "fieldType": "select",
      "formField": true,
      "groupName": "contactinformation",
      "hasUniqueValue": false,
      "hidden": false,
      "label": "My Contact Property",
      "modificationMetadata": {
        "archivable": true,
        "readOnlyDefinition": false,
        "readOnlyOptions": false,
        "readOnlyValue": false
      },
      "name": "my_contact_property",
      "options": [
        {
          "description": "Choice number one",
          "displayOrder": 1,
          "hidden": false,
          "label": "Option A",
          "value": "A"
        },
        {
          "description": "Choice number two",
          "displayOrder": 2,
          "hidden": false,
          "label": "Option B",
          "value": "B"
        }
      ],
      "type": "enumeration"
    }
  ],
  "startedAt": "2023-11-07T05:31:56Z",
  "links": {},
  "requestedAt": "2023-11-07T05:31:56Z"
}

{
  "completedAt": "2023-11-07T05:31:56Z",
  "results": [
    {
      "displayOrder": 2,
      "fieldType": "select",
      "formField": true,
      "groupName": "contactinformation",
      "hasUniqueValue": false,
      "hidden": false,
      "label": "My Contact Property",
      "modificationMetadata": {
        "archivable": true,
        "readOnlyDefinition": false,
        "readOnlyOptions": false,
        "readOnlyValue": false
      },
      "name": "my_contact_property",
      "options": [
        {
          "description": "Choice number one",
          "displayOrder": 1,
          "hidden": false,
          "label": "Option A",
          "value": "A"
        },
        {
          "description": "Choice number two",
          "displayOrder": 2,
          "hidden": false,
          "label": "Option B",
          "value": "B"
        }
      ],
      "type": "enumeration"
    }
  ],
  "startedAt": "2023-11-07T05:31:56Z",
  "errors": [
    {
      "category": "<string>",
      "context": {},
      "errors": [
        {
          "message": "<string>",
          "code": "<string>",
          "context": "{missingScopes=[scope1, scope2]}",
          "in": "<string>",
          "subCategory": "<string>"
        }
      ],
      "links": {},
      "message": "<string>",
      "status": "<string>",
      "id": "<string>",
      "subCategory": {}
    }
  ],
  "links": {},
  "numErrors": 123,
  "requestedAt": "2023-11-07T05:31:56Z"
}

{
  "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"
  }
}