curl --request PATCH \
  --url https://api.contracting.kukkingu.software/api/v1/billables/{billableId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'tenant-id: <tenant-id>' \
  --data '
{
  "referenceType": "JIRA",
  "referenceId": "PROJ-123",
  "name": "Monthly subscription",
  "description": "Monthly subscription for service X.",
  "metadata": {
    "project": "Alpha",
    "priority": "High"
  },
  "quantity": 10,
  "amountMinor": 5000,
  "currencyCode": "EUR",
  "order": 13
}
'

import requests

url = "https://api.contracting.kukkingu.software/api/v1/billables/{billableId}"

payload = {
    "referenceType": "JIRA",
    "referenceId": "PROJ-123",
    "name": "Monthly subscription",
    "description": "Monthly subscription for service X.",
    "metadata": {
        "project": "Alpha",
        "priority": "High"
    },
    "quantity": 10,
    "amountMinor": 5000,
    "currencyCode": "EUR",
    "order": 13
}
headers = {
    "tenant-id": "<tenant-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    'tenant-id': '<tenant-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    referenceType: 'JIRA',
    referenceId: 'PROJ-123',
    name: 'Monthly subscription',
    description: 'Monthly subscription for service X.',
    metadata: {project: 'Alpha', priority: 'High'},
    quantity: 10,
    amountMinor: 5000,
    currencyCode: 'EUR',
    order: 13
  })
};

fetch('https://api.contracting.kukkingu.software/api/v1/billables/{billableId}', 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.contracting.kukkingu.software/api/v1/billables/{billableId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'referenceType' => 'JIRA',
    'referenceId' => 'PROJ-123',
    'name' => 'Monthly subscription',
    'description' => 'Monthly subscription for service X.',
    'metadata' => [
        'project' => 'Alpha',
        'priority' => 'High'
    ],
    'quantity' => 10,
    'amountMinor' => 5000,
    'currencyCode' => 'EUR',
    'order' => 13
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "tenant-id: <tenant-id>"
  ],
]);

$response = curl_exec($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.contracting.kukkingu.software/api/v1/billables/{billableId}"

	payload := strings.NewReader("{\n  \"referenceType\": \"JIRA\",\n  \"referenceId\": \"PROJ-123\",\n  \"name\": \"Monthly subscription\",\n  \"description\": \"Monthly subscription for service X.\",\n  \"metadata\": {\n    \"project\": \"Alpha\",\n    \"priority\": \"High\"\n  },\n  \"quantity\": 10,\n  \"amountMinor\": 5000,\n  \"currencyCode\": \"EUR\",\n  \"order\": 13\n}")

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

	req.Header.Add("tenant-id", "<tenant-id>")
	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.patch("https://api.contracting.kukkingu.software/api/v1/billables/{billableId}")
  .header("tenant-id", "<tenant-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"referenceType\": \"JIRA\",\n  \"referenceId\": \"PROJ-123\",\n  \"name\": \"Monthly subscription\",\n  \"description\": \"Monthly subscription for service X.\",\n  \"metadata\": {\n    \"project\": \"Alpha\",\n    \"priority\": \"High\"\n  },\n  \"quantity\": 10,\n  \"amountMinor\": 5000,\n  \"currencyCode\": \"EUR\",\n  \"order\": 13\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.contracting.kukkingu.software/api/v1/billables/{billableId}")

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

request = Net::HTTP::Patch.new(url)
request["tenant-id"] = '<tenant-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"referenceType\": \"JIRA\",\n  \"referenceId\": \"PROJ-123\",\n  \"name\": \"Monthly subscription\",\n  \"description\": \"Monthly subscription for service X.\",\n  \"metadata\": {\n    \"project\": \"Alpha\",\n    \"priority\": \"High\"\n  },\n  \"quantity\": 10,\n  \"amountMinor\": 5000,\n  \"currencyCode\": \"EUR\",\n  \"order\": 13\n}"

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

{
  "data": {
    "id": "bil_eym9hcqlh1m7v3d36blf0vfx",
    "invoice": "inv_mqxd1kc6bgtcc676xoqzax47",
    "name": "Monthly subscription",
    "quantity": 10,
    "amountMinor": 5000,
    "currencyCode": "EUR",
    "createdAt": "2023-10-05T14:48:00.000Z",
    "updatedAt": "2023-10-05T14:48:00.000Z",
    "referenceType": "JIRA",
    "referenceId": "PROJ-123",
    "description": "Monthly subscription for service X.",
    "metadata": {
      "project": "Alpha",
      "priority": "High"
    },
    "order": 13
  }
}

{
  "error": "ValidationError",
  "message": "<string>",
  "details": [
    {
      "field": "<string>",
      "message": "<string>",
      "constraint": "<string>"
    }
  ]
}

{
  "error": "Unauthorized",
  "message": "Unauthorized"
}

{
  "error": "Forbidden",
  "message": "Forbidden"
}

{
  "error": "NotFound",
  "message": "Not Found"
}