curl --request PATCH \
  --url https://demo.komga.org/api/v1/series/{seriesId}/metadata \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "ageRating": 123,
  "ageRatingLock": true,
  "alternateTitles": [
    {
      "label": "<string>",
      "title": "<string>"
    }
  ],
  "alternateTitlesLock": true,
  "genres": [
    "<string>"
  ],
  "genresLock": true,
  "language": "<string>",
  "languageLock": true,
  "links": [
    {
      "label": "<string>",
      "url": "<string>"
    }
  ],
  "linksLock": true,
  "publisher": "<string>",
  "publisherLock": true,
  "readingDirectionLock": true,
  "sharingLabels": [
    "<string>"
  ],
  "sharingLabelsLock": true,
  "statusLock": true,
  "summary": "<string>",
  "summaryLock": true,
  "tags": [
    "<string>"
  ],
  "tagsLock": true,
  "title": "<string>",
  "titleLock": true,
  "titleSort": "<string>",
  "titleSortLock": true,
  "totalBookCount": 123,
  "totalBookCountLock": true
}
'

import requests

url = "https://demo.komga.org/api/v1/series/{seriesId}/metadata"

payload = {
    "ageRating": 123,
    "ageRatingLock": True,
    "alternateTitles": [
        {
            "label": "<string>",
            "title": "<string>"
        }
    ],
    "alternateTitlesLock": True,
    "genres": ["<string>"],
    "genresLock": True,
    "language": "<string>",
    "languageLock": True,
    "links": [
        {
            "label": "<string>",
            "url": "<string>"
        }
    ],
    "linksLock": True,
    "publisher": "<string>",
    "publisherLock": True,
    "readingDirectionLock": True,
    "sharingLabels": ["<string>"],
    "sharingLabelsLock": True,
    "statusLock": True,
    "summary": "<string>",
    "summaryLock": True,
    "tags": ["<string>"],
    "tagsLock": True,
    "title": "<string>",
    "titleLock": True,
    "titleSort": "<string>",
    "titleSortLock": True,
    "totalBookCount": 123,
    "totalBookCountLock": True
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    ageRating: 123,
    ageRatingLock: true,
    alternateTitles: [{label: '<string>', title: '<string>'}],
    alternateTitlesLock: true,
    genres: ['<string>'],
    genresLock: true,
    language: '<string>',
    languageLock: true,
    links: [{label: '<string>', url: '<string>'}],
    linksLock: true,
    publisher: '<string>',
    publisherLock: true,
    readingDirectionLock: true,
    sharingLabels: ['<string>'],
    sharingLabelsLock: true,
    statusLock: true,
    summary: '<string>',
    summaryLock: true,
    tags: ['<string>'],
    tagsLock: true,
    title: '<string>',
    titleLock: true,
    titleSort: '<string>',
    titleSortLock: true,
    totalBookCount: 123,
    totalBookCountLock: true
  })
};

fetch('https://demo.komga.org/api/v1/series/{seriesId}/metadata', 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://demo.komga.org/api/v1/series/{seriesId}/metadata",
  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([
    'ageRating' => 123,
    'ageRatingLock' => true,
    'alternateTitles' => [
        [
                'label' => '<string>',
                'title' => '<string>'
        ]
    ],
    'alternateTitlesLock' => true,
    'genres' => [
        '<string>'
    ],
    'genresLock' => true,
    'language' => '<string>',
    'languageLock' => true,
    'links' => [
        [
                'label' => '<string>',
                'url' => '<string>'
        ]
    ],
    'linksLock' => true,
    'publisher' => '<string>',
    'publisherLock' => true,
    'readingDirectionLock' => true,
    'sharingLabels' => [
        '<string>'
    ],
    'sharingLabelsLock' => true,
    'statusLock' => true,
    'summary' => '<string>',
    'summaryLock' => true,
    'tags' => [
        '<string>'
    ],
    'tagsLock' => true,
    'title' => '<string>',
    'titleLock' => true,
    'titleSort' => '<string>',
    'titleSortLock' => true,
    'totalBookCount' => 123,
    'totalBookCountLock' => true
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "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://demo.komga.org/api/v1/series/{seriesId}/metadata"

	payload := strings.NewReader("{\n  \"ageRating\": 123,\n  \"ageRatingLock\": true,\n  \"alternateTitles\": [\n    {\n      \"label\": \"<string>\",\n      \"title\": \"<string>\"\n    }\n  ],\n  \"alternateTitlesLock\": true,\n  \"genres\": [\n    \"<string>\"\n  ],\n  \"genresLock\": true,\n  \"language\": \"<string>\",\n  \"languageLock\": true,\n  \"links\": [\n    {\n      \"label\": \"<string>\",\n      \"url\": \"<string>\"\n    }\n  ],\n  \"linksLock\": true,\n  \"publisher\": \"<string>\",\n  \"publisherLock\": true,\n  \"readingDirectionLock\": true,\n  \"sharingLabels\": [\n    \"<string>\"\n  ],\n  \"sharingLabelsLock\": true,\n  \"statusLock\": true,\n  \"summary\": \"<string>\",\n  \"summaryLock\": true,\n  \"tags\": [\n    \"<string>\"\n  ],\n  \"tagsLock\": true,\n  \"title\": \"<string>\",\n  \"titleLock\": true,\n  \"titleSort\": \"<string>\",\n  \"titleSortLock\": true,\n  \"totalBookCount\": 123,\n  \"totalBookCountLock\": true\n}")

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

	req.Header.Add("Authorization", "Basic <encoded-value>")
	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://demo.komga.org/api/v1/series/{seriesId}/metadata")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"ageRating\": 123,\n  \"ageRatingLock\": true,\n  \"alternateTitles\": [\n    {\n      \"label\": \"<string>\",\n      \"title\": \"<string>\"\n    }\n  ],\n  \"alternateTitlesLock\": true,\n  \"genres\": [\n    \"<string>\"\n  ],\n  \"genresLock\": true,\n  \"language\": \"<string>\",\n  \"languageLock\": true,\n  \"links\": [\n    {\n      \"label\": \"<string>\",\n      \"url\": \"<string>\"\n    }\n  ],\n  \"linksLock\": true,\n  \"publisher\": \"<string>\",\n  \"publisherLock\": true,\n  \"readingDirectionLock\": true,\n  \"sharingLabels\": [\n    \"<string>\"\n  ],\n  \"sharingLabelsLock\": true,\n  \"statusLock\": true,\n  \"summary\": \"<string>\",\n  \"summaryLock\": true,\n  \"tags\": [\n    \"<string>\"\n  ],\n  \"tagsLock\": true,\n  \"title\": \"<string>\",\n  \"titleLock\": true,\n  \"titleSort\": \"<string>\",\n  \"titleSortLock\": true,\n  \"totalBookCount\": 123,\n  \"totalBookCountLock\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://demo.komga.org/api/v1/series/{seriesId}/metadata")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"ageRating\": 123,\n  \"ageRatingLock\": true,\n  \"alternateTitles\": [\n    {\n      \"label\": \"<string>\",\n      \"title\": \"<string>\"\n    }\n  ],\n  \"alternateTitlesLock\": true,\n  \"genres\": [\n    \"<string>\"\n  ],\n  \"genresLock\": true,\n  \"language\": \"<string>\",\n  \"languageLock\": true,\n  \"links\": [\n    {\n      \"label\": \"<string>\",\n      \"url\": \"<string>\"\n    }\n  ],\n  \"linksLock\": true,\n  \"publisher\": \"<string>\",\n  \"publisherLock\": true,\n  \"readingDirectionLock\": true,\n  \"sharingLabels\": [\n    \"<string>\"\n  ],\n  \"sharingLabelsLock\": true,\n  \"statusLock\": true,\n  \"summary\": \"<string>\",\n  \"summaryLock\": true,\n  \"tags\": [\n    \"<string>\"\n  ],\n  \"tagsLock\": true,\n  \"title\": \"<string>\",\n  \"titleLock\": true,\n  \"titleSort\": \"<string>\",\n  \"titleSortLock\": true,\n  \"totalBookCount\": 123,\n  \"totalBookCountLock\": true\n}"

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

{
  "violations": [
    {
      "fieldName": "<string>",
      "message": "<string>"
    }
  ]
}