curl --request POST \
  --url https://eu.phrase.com/connectors/optimizely/v1/sync/download-xliff-file \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "connectorUuid": "4282fec0-d2e9-4266-8733-3e634feb7b59",
  "configuration": {},
  "path": {
    "pathType": "ITEM",
    "id": "12345"
  },
  "sourceLocale": "en",
  "targetLocale": "de"
}
'

import requests

url = "https://eu.phrase.com/connectors/optimizely/v1/sync/download-xliff-file"

payload = {
    "connectorUuid": "4282fec0-d2e9-4266-8733-3e634feb7b59",
    "configuration": {},
    "path": {
        "pathType": "ITEM",
        "id": "12345"
    },
    "sourceLocale": "en",
    "targetLocale": "de"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    connectorUuid: '4282fec0-d2e9-4266-8733-3e634feb7b59',
    configuration: {},
    path: {pathType: 'ITEM', id: '12345'},
    sourceLocale: 'en',
    targetLocale: 'de'
  })
};

fetch('https://eu.phrase.com/connectors/optimizely/v1/sync/download-xliff-file', 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://eu.phrase.com/connectors/optimizely/v1/sync/download-xliff-file",
  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([
    'connectorUuid' => '4282fec0-d2e9-4266-8733-3e634feb7b59',
    'configuration' => [
        
    ],
    'path' => [
        'pathType' => 'ITEM',
        'id' => '12345'
    ],
    'sourceLocale' => 'en',
    'targetLocale' => 'de'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://eu.phrase.com/connectors/optimizely/v1/sync/download-xliff-file"

	payload := strings.NewReader("{\n  \"connectorUuid\": \"4282fec0-d2e9-4266-8733-3e634feb7b59\",\n  \"configuration\": {},\n  \"path\": {\n    \"pathType\": \"ITEM\",\n    \"id\": \"12345\"\n  },\n  \"sourceLocale\": \"en\",\n  \"targetLocale\": \"de\"\n}")

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

	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.post("https://eu.phrase.com/connectors/optimizely/v1/sync/download-xliff-file")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"connectorUuid\": \"4282fec0-d2e9-4266-8733-3e634feb7b59\",\n  \"configuration\": {},\n  \"path\": {\n    \"pathType\": \"ITEM\",\n    \"id\": \"12345\"\n  },\n  \"sourceLocale\": \"en\",\n  \"targetLocale\": \"de\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://eu.phrase.com/connectors/optimizely/v1/sync/download-xliff-file")

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/json'
request.body = "{\n  \"connectorUuid\": \"4282fec0-d2e9-4266-8733-3e634feb7b59\",\n  \"configuration\": {},\n  \"path\": {\n    \"pathType\": \"ITEM\",\n    \"id\": \"12345\"\n  },\n  \"sourceLocale\": \"en\",\n  \"targetLocale\": \"de\"\n}"

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

"<string>"

{
  "problemDetail": {
    "type": "<string>",
    "title": "<string>",
    "status": 123,
    "detail": "<string>",
    "instance": "<string>",
    "properties": {}
  }
}