curl --request POST \
  --url https://app.orgo.space/api/v1/custom_field_values \
  --header 'Api-Token: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "field": "/api/v1/custom_fields/1",
  "user": "/api/v1/users/1",
  "value": "Vegetarian",
  "contact": "/api/v1/contacts/1",
  "media": "/api/v1/media/1",
  "eventAttend": "/api/v1/event_attends/1"
}
'

import requests

url = "https://app.orgo.space/api/v1/custom_field_values"

payload = {
    "field": "/api/v1/custom_fields/1",
    "user": "/api/v1/users/1",
    "value": "Vegetarian",
    "contact": "/api/v1/contacts/1",
    "media": "/api/v1/media/1",
    "eventAttend": "/api/v1/event_attends/1"
}
headers = {
    "Api-Token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Api-Token': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    field: '/api/v1/custom_fields/1',
    user: '/api/v1/users/1',
    value: 'Vegetarian',
    contact: '/api/v1/contacts/1',
    media: '/api/v1/media/1',
    eventAttend: '/api/v1/event_attends/1'
  })
};

fetch('https://app.orgo.space/api/v1/custom_field_values', 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.orgo.space/api/v1/custom_field_values",
  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([
    'field' => '/api/v1/custom_fields/1',
    'user' => '/api/v1/users/1',
    'value' => 'Vegetarian',
    'contact' => '/api/v1/contacts/1',
    'media' => '/api/v1/media/1',
    'eventAttend' => '/api/v1/event_attends/1'
  ]),
  CURLOPT_HTTPHEADER => [
    "Api-Token: <api-key>",
    "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://app.orgo.space/api/v1/custom_field_values"

	payload := strings.NewReader("{\n  \"field\": \"/api/v1/custom_fields/1\",\n  \"user\": \"/api/v1/users/1\",\n  \"value\": \"Vegetarian\",\n  \"contact\": \"/api/v1/contacts/1\",\n  \"media\": \"/api/v1/media/1\",\n  \"eventAttend\": \"/api/v1/event_attends/1\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Api-Token", "<api-key>")
	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://app.orgo.space/api/v1/custom_field_values")
  .header("Api-Token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"field\": \"/api/v1/custom_fields/1\",\n  \"user\": \"/api/v1/users/1\",\n  \"value\": \"Vegetarian\",\n  \"contact\": \"/api/v1/contacts/1\",\n  \"media\": \"/api/v1/media/1\",\n  \"eventAttend\": \"/api/v1/event_attends/1\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.orgo.space/api/v1/custom_field_values")

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

request = Net::HTTP::Post.new(url)
request["Api-Token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"field\": \"/api/v1/custom_fields/1\",\n  \"user\": \"/api/v1/users/1\",\n  \"value\": \"Vegetarian\",\n  \"contact\": \"/api/v1/contacts/1\",\n  \"media\": \"/api/v1/media/1\",\n  \"eventAttend\": \"/api/v1/event_attends/1\"\n}"

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

{
  "id": 42,
  "field": "/api/v1/custom_fields/1",
  "user": "/api/v1/users/1",
  "value": "Vegetarian",
  "contact": "/api/v1/contacts/1",
  "media": {
    "size": 42,
    "mimeType": "application/pdf"
  },
  "eventAttend": "/api/v1/event_attends/1"
}