List custom field definitions

curl --request GET \
  --url https://app.gomangrove.com/api/v1/custom_field_definitions \
  --header 'Authorization: <api-key>'

import requests

url = "https://app.gomangrove.com/api/v1/custom_field_definitions"

headers = {"Authorization": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<api-key>'}};

fetch('https://app.gomangrove.com/api/v1/custom_field_definitions', 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://app.gomangrove.com/api/v1/custom_field_definitions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://app.gomangrove.com/api/v1/custom_field_definitions"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://app.gomangrove.com/api/v1/custom_field_definitions")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.gomangrove.com/api/v1/custom_field_definitions")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<api-key>'

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

{
  "data": [
    {
      "id": 42,
      "friendly_id": "cfd_abc123def456",
      "key": "serial",
      "label": "Serial Number",
      "object_type": "asset",
      "value_type": "string",
      "enumeration_options": null,
      "order": 1,
      "is_required": false,
      "project_id": null,
      "created_at": "2026-01-15T10:00:00.000Z",
      "updated_at": "2026-01-15T10:00:00.000Z"
    }
  ],
  "info": {
    "items": 1,
    "page_size": 20,
    "total_items": 1,
    "current_page": 1,
    "next_page": null,
    "previous_page": null,
    "total_pages": 1,
    "sort": [],
    "filter": []
  }
}

{
  "errors": [
    {
      "message": "Unknown object_type. Valid values: project, asset"
    }
  ]
}