curl --request PUT \
  --url https://{companyName}.api.joinluminous.com/external/api/v1/custom-fields/{customFieldId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "label": "Industry",
  "type": "dropdown",
  "object_types": [
    "companies",
    "products"
  ],
  "options": {
    "choices": [
      "Retail",
      "Wholesale",
      "DTC"
    ],
    "minLength": 0,
    "maxLength": 255,
    "helpText": "Choose the primary sales channel"
  }
}
'

import requests

url = "https://{companyName}.api.joinluminous.com/external/api/v1/custom-fields/{customFieldId}"

payload = {
    "label": "Industry",
    "type": "dropdown",
    "object_types": ["companies", "products"],
    "options": {
        "choices": ["Retail", "Wholesale", "DTC"],
        "minLength": 0,
        "maxLength": 255,
        "helpText": "Choose the primary sales channel"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    label: 'Industry',
    type: 'dropdown',
    object_types: ['companies', 'products'],
    options: {
      choices: ['Retail', 'Wholesale', 'DTC'],
      minLength: 0,
      maxLength: 255,
      helpText: 'Choose the primary sales channel'
    }
  })
};

fetch('https://{companyName}.api.joinluminous.com/external/api/v1/custom-fields/{customFieldId}', 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://{companyName}.api.joinluminous.com/external/api/v1/custom-fields/{customFieldId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'label' => 'Industry',
    'type' => 'dropdown',
    'object_types' => [
        'companies',
        'products'
    ],
    'options' => [
        'choices' => [
                'Retail',
                'Wholesale',
                'DTC'
        ],
        'minLength' => 0,
        'maxLength' => 255,
        'helpText' => 'Choose the primary sales channel'
    ]
  ]),
  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://{companyName}.api.joinluminous.com/external/api/v1/custom-fields/{customFieldId}"

	payload := strings.NewReader("{\n  \"label\": \"Industry\",\n  \"type\": \"dropdown\",\n  \"object_types\": [\n    \"companies\",\n    \"products\"\n  ],\n  \"options\": {\n    \"choices\": [\n      \"Retail\",\n      \"Wholesale\",\n      \"DTC\"\n    ],\n    \"minLength\": 0,\n    \"maxLength\": 255,\n    \"helpText\": \"Choose the primary sales channel\"\n  }\n}")

	req, _ := http.NewRequest("PUT", 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.put("https://{companyName}.api.joinluminous.com/external/api/v1/custom-fields/{customFieldId}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"label\": \"Industry\",\n  \"type\": \"dropdown\",\n  \"object_types\": [\n    \"companies\",\n    \"products\"\n  ],\n  \"options\": {\n    \"choices\": [\n      \"Retail\",\n      \"Wholesale\",\n      \"DTC\"\n    ],\n    \"minLength\": 0,\n    \"maxLength\": 255,\n    \"helpText\": \"Choose the primary sales channel\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{companyName}.api.joinluminous.com/external/api/v1/custom-fields/{customFieldId}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"label\": \"Industry\",\n  \"type\": \"dropdown\",\n  \"object_types\": [\n    \"companies\",\n    \"products\"\n  ],\n  \"options\": {\n    \"choices\": [\n      \"Retail\",\n      \"Wholesale\",\n      \"DTC\"\n    ],\n    \"minLength\": 0,\n    \"maxLength\": 255,\n    \"helpText\": \"Choose the primary sales channel\"\n  }\n}"

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

{
  "data": {
    "id": 123,
    "label": "Industry",
    "type": "dropdown",
    "object_types": [
      "companies",
      "products"
    ],
    "options": {
      "choices": [
        "Retail",
        "Wholesale",
        "DTC"
      ],
      "minLength": 0,
      "maxLength": 255,
      "helpText": "Choose the primary sales channel"
    },
    "created_at": "2026-04-20T14:30:00Z",
    "updated_at": "2026-04-20T14:30:00Z"
  }
}

{
  "error": "Unauthorized",
  "message": "Authentication credentials are missing or invalid",
  "status_code": 401
}

{
  "error": "Forbidden",
  "message": "You do not have permission to access this resource",
  "status_code": 403
}

{
  "error": "Not Found",
  "message": "The requested resource could not be found",
  "status_code": 404
}

{
  "message": "<string>",
  "errors": {}
}