curl --request POST \
  --url https://api.vendaze.com/v1/custom-fields \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "label": "Tax ID",
  "key": "tax_id",
  "value": {
    "select_list": [
      {
        "key": "sl_option_a",
        "option": "Option A"
      },
      {
        "key": "sl_option_b",
        "option": "Option B"
      }
    ]
  },
  "required": false,
  "show_people": true,
  "show_companies": true,
  "show_deals": false
}
'

import requests

url = "https://api.vendaze.com/v1/custom-fields"

payload = {
    "label": "Tax ID",
    "key": "tax_id",
    "value": { "select_list": [
            {
                "key": "sl_option_a",
                "option": "Option A"
            },
            {
                "key": "sl_option_b",
                "option": "Option B"
            }
        ] },
    "required": False,
    "show_people": True,
    "show_companies": True,
    "show_deals": False
}
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({
    label: 'Tax ID',
    key: 'tax_id',
    value: {
      select_list: [
        {key: 'sl_option_a', option: 'Option A'},
        {key: 'sl_option_b', option: 'Option B'}
      ]
    },
    required: false,
    show_people: true,
    show_companies: true,
    show_deals: false
  })
};

fetch('https://api.vendaze.com/v1/custom-fields', 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.vendaze.com/v1/custom-fields",
  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([
    'label' => 'Tax ID',
    'key' => 'tax_id',
    'value' => [
        'select_list' => [
                [
                                'key' => 'sl_option_a',
                                'option' => 'Option A'
                ],
                [
                                'key' => 'sl_option_b',
                                'option' => 'Option B'
                ]
        ]
    ],
    'required' => false,
    'show_people' => true,
    'show_companies' => true,
    'show_deals' => false
  ]),
  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.vendaze.com/v1/custom-fields"

	payload := strings.NewReader("{\n  \"label\": \"Tax ID\",\n  \"key\": \"tax_id\",\n  \"value\": {\n    \"select_list\": [\n      {\n        \"key\": \"sl_option_a\",\n        \"option\": \"Option A\"\n      },\n      {\n        \"key\": \"sl_option_b\",\n        \"option\": \"Option B\"\n      }\n    ]\n  },\n  \"required\": false,\n  \"show_people\": true,\n  \"show_companies\": true,\n  \"show_deals\": false\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.vendaze.com/v1/custom-fields")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"label\": \"Tax ID\",\n  \"key\": \"tax_id\",\n  \"value\": {\n    \"select_list\": [\n      {\n        \"key\": \"sl_option_a\",\n        \"option\": \"Option A\"\n      },\n      {\n        \"key\": \"sl_option_b\",\n        \"option\": \"Option B\"\n      }\n    ]\n  },\n  \"required\": false,\n  \"show_people\": true,\n  \"show_companies\": true,\n  \"show_deals\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.vendaze.com/v1/custom-fields")

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  \"label\": \"Tax ID\",\n  \"key\": \"tax_id\",\n  \"value\": {\n    \"select_list\": [\n      {\n        \"key\": \"sl_option_a\",\n        \"option\": \"Option A\"\n      },\n      {\n        \"key\": \"sl_option_b\",\n        \"option\": \"Option B\"\n      }\n    ]\n  },\n  \"required\": false,\n  \"show_people\": true,\n  \"show_companies\": true,\n  \"show_deals\": false\n}"

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

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "label": "Tax ID",
    "key": "tax_id",
    "value": {
      "select_list": [
        {
          "key": "sl_option_a",
          "option": "Option A"
        },
        {
          "key": "sl_option_b",
          "option": "Option B"
        }
      ]
    },
    "required": true,
    "show_people": true,
    "show_companies": true,
    "show_deals": true,
    "created_at": "2023-11-07T05:31:56Z"
  }
}

{
  "error": {
    "code": "bad_request",
    "message": "Request body must be valid JSON.",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Missing or invalid Authorization header.",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "insufficient_scope",
    "message": "This endpoint requires the 'webhooks:read' scope.",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "conflict",
    "message": "A record with this value already exists.",
    "fields": {
      "key": "Value already in use."
    },
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "validation_error",
    "message": "Validation failed.",
    "fields": {
      "url": "url must use HTTPS.",
      "events": "At least one event is required."
    },
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "Rate limit exceeded. Try again in 60 seconds.",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "internal_error",
    "message": "An unexpected error occurred.",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}