curl --request POST \
  --url https://b.anny.co/api/v1/service-sub-resources \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '
{
  "data": {
    "type": "service-sub-resources",
    "attributes": {
      "is_required": false
    },
    "relationships": {
      "resource": {
        "data": {
          "id": "21886",
          "type": "resources"
        }
      }
    },
    "meta": {}
  }
}
'

import requests

url = "https://b.anny.co/api/v1/service-sub-resources"

payload = { "data": {
        "type": "service-sub-resources",
        "attributes": { "is_required": False },
        "relationships": { "resource": { "data": {
                    "id": "21886",
                    "type": "resources"
                } } },
        "meta": {}
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/vnd.api+json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/vnd.api+json'},
  body: JSON.stringify({
    data: {
      type: 'service-sub-resources',
      attributes: {is_required: false},
      relationships: {resource: {data: {id: '21886', type: 'resources'}}},
      meta: {}
    }
  })
};

fetch('https://b.anny.co/api/v1/service-sub-resources', 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://b.anny.co/api/v1/service-sub-resources",
  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([
    'data' => [
        'type' => 'service-sub-resources',
        'attributes' => [
                'is_required' => false
        ],
        'relationships' => [
                'resource' => [
                                'data' => [
                                                                'id' => '21886',
                                                                'type' => 'resources'
                                ]
                ]
        ],
        'meta' => [
                
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/vnd.api+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://b.anny.co/api/v1/service-sub-resources"

	payload := strings.NewReader("{\n  \"data\": {\n    \"type\": \"service-sub-resources\",\n    \"attributes\": {\n      \"is_required\": false\n    },\n    \"relationships\": {\n      \"resource\": {\n        \"data\": {\n          \"id\": \"21886\",\n          \"type\": \"resources\"\n        }\n      }\n    },\n    \"meta\": {}\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/vnd.api+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://b.anny.co/api/v1/service-sub-resources")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/vnd.api+json")
  .body("{\n  \"data\": {\n    \"type\": \"service-sub-resources\",\n    \"attributes\": {\n      \"is_required\": false\n    },\n    \"relationships\": {\n      \"resource\": {\n        \"data\": {\n          \"id\": \"21886\",\n          \"type\": \"resources\"\n        }\n      }\n    },\n    \"meta\": {}\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://b.anny.co/api/v1/service-sub-resources")

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/vnd.api+json'
request.body = "{\n  \"data\": {\n    \"type\": \"service-sub-resources\",\n    \"attributes\": {\n      \"is_required\": false\n    },\n    \"relationships\": {\n      \"resource\": {\n        \"data\": {\n          \"id\": \"21886\",\n          \"type\": \"resources\"\n        }\n      }\n    },\n    \"meta\": {}\n  }\n}"

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

{
  "data": {
    "type": "service-sub-resources",
    "id": "1434",
    "attributes": {
      "is_required": false
    },
    "relationships": {
      "resource": {
        "data": {
          "type": "resources",
          "id": "21886"
        }
      }
    },
    "links": {
      "self": "https://b.anny.co/api/v1/service-sub-resources/1436"
    }
  },
  "included": [
    {
      "type": "resources",
      "id": "21886",
      "attributes": {
        "slug": "m01",
        "name": "M01 - Aachen",
        "description": "<p>Testbeschreibung</p>",
        "plain_description": "Testbeschreibung",
        "availabilityMode": null,
        "continuous": false,
        "color": null,
        "auto_accept_bookings": true,
        "timezone": "Europe/Berlin",
        "quantity": 1,
        "staggered_quantity": null,
        "max_booking_quantity": 1,
        "has_children": false,
        "available_from": null,
        "available_to": null,
        "created_at": "2021-09-15T09:48:15+00:00",
        "seo": true,
        "live": true,
        "public_listing": true,
        "display_public_description": false,
        "hidden": false,
        "settings": {
          "showAvailabilityCalendar": true,
          "showAvailabilityCount": true,
          "checkIn": {
            "isEnabled": false,
            "autoExpiry": false,
            "autoExpiresAfter": 15,
            "allowedAdvancePeriod": 15,
            "allowedDelayPeriod": 30,
            "allowMultiple": false,
            "releaseOnCheckout": false
          },
          "printLabels": false,
          "checkout": {
            "customerCanPickChildren": false,
            "requiresLogin": false,
            "requiresLoginReason": "",
            "verifyGuestEmail": false
          },
          "resources": {
            "maxBookings": {
              "perDay": null,
              "perWeek": null,
              "perMonth": null
            }
          },
          "maxBookings": {
            "perSlot": null,
            "perDay": null,
            "perWeek": null,
            "perMonth": null
          },
          "selfCheckIn": {
            "isEnabled": false,
            "disabledUntil": 15,
            "geoCheckEnabled": true,
            "geoCheckMaxDelta": 997,
            "allowedOverrunTime": 60
          }
        },
        "preview_token": "ktlLeS7TseEXf8ZIE6WhWhFbITep9K",
        "email_info": null
      },
      "meta": {
        "settings": {
          "showAvailabilityCalendar": true,
          "showAvailabilityCount": true,
          "checkout": {
            "customerCanPickChildren": false,
            "requiresLogin": false,
            "requiresLoginReason": "",
            "verifyGuestEmail": false
          },
          "checkIn": {
            "isEnabled": false
          },
          "selfCheckIn": {
            "isEnabled": false,
            "disabledUntil": 15,
            "geoCheckEnabled": true,
            "geoCheckMaxDelta": 997,
            "allowedOverrunTime": 60
          }
        },
        "meta_settings": {
          "showAvailabilityCalendar": true,
          "showAvailabilityCount": true,
          "checkout": {
            "customerCanPickChildren": false,
            "requiresLogin": false,
            "requiresLoginReason": "",
            "verifyGuestEmail": false
          },
          "checkIn": {
            "isEnabled": false
          },
          "selfCheckIn": {
            "isEnabled": false,
            "disabledUntil": 15,
            "geoCheckEnabled": true,
            "geoCheckMaxDelta": 997,
            "allowedOverrunTime": 60
          }
        },
        "zoom": false
      }
    }
  ]
}