curl --request POST \
  --url 'https://api.musixmatch.com/ws/1.1/musicalwork.details.search.post?apikey=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "iswc_list": [
    {
      "iswc": "T9214745718"
    }
  ],
  "territory_list": [
    "US",
    "GB"
  ],
  "options": {
    "exact_ownership": true
  }
}
'

import requests

url = "https://api.musixmatch.com/ws/1.1/musicalwork.details.search.post?apikey="

payload = {
    "iswc_list": [{ "iswc": "T9214745718" }],
    "territory_list": ["US", "GB"],
    "options": { "exact_ownership": True }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    iswc_list: [{iswc: 'T9214745718'}],
    territory_list: ['US', 'GB'],
    options: {exact_ownership: true}
  })
};

fetch('https://api.musixmatch.com/ws/1.1/musicalwork.details.search.post?apikey=', 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.musixmatch.com/ws/1.1/musicalwork.details.search.post?apikey=",
  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([
    'iswc_list' => [
        [
                'iswc' => 'T9214745718'
        ]
    ],
    'territory_list' => [
        'US',
        'GB'
    ],
    'options' => [
        'exact_ownership' => true
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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://api.musixmatch.com/ws/1.1/musicalwork.details.search.post?apikey="

	payload := strings.NewReader("{\n  \"iswc_list\": [\n    {\n      \"iswc\": \"T9214745718\"\n    }\n  ],\n  \"territory_list\": [\n    \"US\",\n    \"GB\"\n  ],\n  \"options\": {\n    \"exact_ownership\": true\n  }\n}")

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

	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://api.musixmatch.com/ws/1.1/musicalwork.details.search.post?apikey=")
  .header("Content-Type", "application/json")
  .body("{\n  \"iswc_list\": [\n    {\n      \"iswc\": \"T9214745718\"\n    }\n  ],\n  \"territory_list\": [\n    \"US\",\n    \"GB\"\n  ],\n  \"options\": {\n    \"exact_ownership\": true\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.musixmatch.com/ws/1.1/musicalwork.details.search.post?apikey=")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"iswc_list\": [\n    {\n      \"iswc\": \"T9214745718\"\n    }\n  ],\n  \"territory_list\": [\n    \"US\",\n    \"GB\"\n  ],\n  \"options\": {\n    \"exact_ownership\": true\n  }\n}"

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

{
  "message": {
    "header": {
      "status_code": 200,
      "execute_time": 0.411
    },
    "body": [
      {
        "iswc": "T9214745718",
        "musical_work_list": [
          {
            "ownership": {
              "publisher_list": [
                {
                  "name": "Universal Music Publishing Group",
                  "ipi": "00052210040",
                  "role": "E",
                  "mech_ownership_share": 50,
                  "perf_ownership_share": 50,
                  "sync_ownership_share": 50,
                  "controlled": true
                }
              ],
              "writer_list": [
                {
                  "name": "Adele Adkins",
                  "ipi": "00528181729",
                  "role": "CA",
                  "mech_ownership_share": 50,
                  "perf_ownership_share": 50,
                  "sync_ownership_share": 50,
                  "controlled": true
                },
                {
                  "name": "Paul Epworth",
                  "ipi": null,
                  "role": "CA",
                  "mech_ownership_share": 50,
                  "perf_ownership_share": 50,
                  "sync_ownership_share": 50,
                  "controlled": false
                }
              ]
            },
            "collection": [
              {
                "code": "US",
                "mech_share": 50,
                "perf_share": 50,
                "sync_share": 50
              },
              {
                "code": "GB",
                "mech_share": 25,
                "perf_share": 25,
                "sync_share": null
              }
            ],
            "source": {
              "name": "Universal Music Publishing"
            },
            "transmission_date": "2024-03-18"
          }
        ]
      }
    ]
  }
}

{
  "message": {
    "header": {
      "status_code": 123,
      "execute_time": 123,
      "hint": "<string>",
      "hint_code": "invalid_request"
    },
    "body": [
      "<unknown>"
    ]
  }
}

{
  "message": {
    "header": {
      "status_code": 123,
      "execute_time": 123,
      "hint": "<string>",
      "hint_code": "invalid_request"
    },
    "body": [
      "<unknown>"
    ]
  }
}

{
  "message": {
    "header": {
      "status_code": 123,
      "execute_time": 123,
      "hint": "<string>",
      "hint_code": "invalid_request"
    },
    "body": [
      "<unknown>"
    ]
  }
}