curl --request POST \
  --url https://api-staging.pixwel.com/api/previews \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "_id": "507f1f77bcf86cd799439011",
  "asset": "507f1f77bcf86cd799439011",
  "project": "507f1f77bcf86cd799439011",
  "studio": "507f1f77bcf86cd799439011",
  "revision": "<string>",
  "label": "<string>",
  "created": 123,
  "$links": {
    "self": "//example.com/path/to/object",
    "asset": "//example.com/path/to/object",
    "project": "//example.com/path/to/object",
    "studio": "//example.com/path/to/object"
  },
  "path": "https://example.com/path/to/object",
  "language": "<string>",
  "type": "<string>",
  "embargo": {
    "start": "<unknown>",
    "end": 123
  }
}
'

import requests

url = "https://api-staging.pixwel.com/api/previews"

payload = {
    "_id": "507f1f77bcf86cd799439011",
    "asset": "507f1f77bcf86cd799439011",
    "project": "507f1f77bcf86cd799439011",
    "studio": "507f1f77bcf86cd799439011",
    "revision": "<string>",
    "label": "<string>",
    "created": 123,
    "$links": {
        "self": "//example.com/path/to/object",
        "asset": "//example.com/path/to/object",
        "project": "//example.com/path/to/object",
        "studio": "//example.com/path/to/object"
    },
    "path": "https://example.com/path/to/object",
    "language": "<string>",
    "type": "<string>",
    "embargo": {
        "start": "<unknown>",
        "end": 123
    }
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    _id: '507f1f77bcf86cd799439011',
    asset: '507f1f77bcf86cd799439011',
    project: '507f1f77bcf86cd799439011',
    studio: '507f1f77bcf86cd799439011',
    revision: '<string>',
    label: '<string>',
    created: 123,
    $links: {
      self: '//example.com/path/to/object',
      asset: '//example.com/path/to/object',
      project: '//example.com/path/to/object',
      studio: '//example.com/path/to/object'
    },
    path: 'https://example.com/path/to/object',
    language: '<string>',
    type: '<string>',
    embargo: {start: '<unknown>', end: 123}
  })
};

fetch('https://api-staging.pixwel.com/api/previews', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-staging.pixwel.com/api/previews",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    '_id' => '507f1f77bcf86cd799439011',
    'asset' => '507f1f77bcf86cd799439011',
    'project' => '507f1f77bcf86cd799439011',
    'studio' => '507f1f77bcf86cd799439011',
    'revision' => '<string>',
    'label' => '<string>',
    'created' => 123,
    '$links' => [
        'self' => '//example.com/path/to/object',
        'asset' => '//example.com/path/to/object',
        'project' => '//example.com/path/to/object',
        'studio' => '//example.com/path/to/object'
    ],
    'path' => 'https://example.com/path/to/object',
    'language' => '<string>',
    'type' => '<string>',
    'embargo' => [
        'start' => '<unknown>',
        'end' => 123
    ]
  ]),
  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://api-staging.pixwel.com/api/previews"

	payload := strings.NewReader("{\n  \"_id\": \"507f1f77bcf86cd799439011\",\n  \"asset\": \"507f1f77bcf86cd799439011\",\n  \"project\": \"507f1f77bcf86cd799439011\",\n  \"studio\": \"507f1f77bcf86cd799439011\",\n  \"revision\": \"<string>\",\n  \"label\": \"<string>\",\n  \"created\": 123,\n  \"$links\": {\n    \"self\": \"//example.com/path/to/object\",\n    \"asset\": \"//example.com/path/to/object\",\n    \"project\": \"//example.com/path/to/object\",\n    \"studio\": \"//example.com/path/to/object\"\n  },\n  \"path\": \"https://example.com/path/to/object\",\n  \"language\": \"<string>\",\n  \"type\": \"<string>\",\n  \"embargo\": {\n    \"start\": \"<unknown>\",\n    \"end\": 123\n  }\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api-staging.pixwel.com/api/previews")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"_id\": \"507f1f77bcf86cd799439011\",\n  \"asset\": \"507f1f77bcf86cd799439011\",\n  \"project\": \"507f1f77bcf86cd799439011\",\n  \"studio\": \"507f1f77bcf86cd799439011\",\n  \"revision\": \"<string>\",\n  \"label\": \"<string>\",\n  \"created\": 123,\n  \"$links\": {\n    \"self\": \"//example.com/path/to/object\",\n    \"asset\": \"//example.com/path/to/object\",\n    \"project\": \"//example.com/path/to/object\",\n    \"studio\": \"//example.com/path/to/object\"\n  },\n  \"path\": \"https://example.com/path/to/object\",\n  \"language\": \"<string>\",\n  \"type\": \"<string>\",\n  \"embargo\": {\n    \"start\": \"<unknown>\",\n    \"end\": 123\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-staging.pixwel.com/api/previews")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"_id\": \"507f1f77bcf86cd799439011\",\n  \"asset\": \"507f1f77bcf86cd799439011\",\n  \"project\": \"507f1f77bcf86cd799439011\",\n  \"studio\": \"507f1f77bcf86cd799439011\",\n  \"revision\": \"<string>\",\n  \"label\": \"<string>\",\n  \"created\": 123,\n  \"$links\": {\n    \"self\": \"//example.com/path/to/object\",\n    \"asset\": \"//example.com/path/to/object\",\n    \"project\": \"//example.com/path/to/object\",\n    \"studio\": \"//example.com/path/to/object\"\n  },\n  \"path\": \"https://example.com/path/to/object\",\n  \"language\": \"<string>\",\n  \"type\": \"<string>\",\n  \"embargo\": {\n    \"start\": \"<unknown>\",\n    \"end\": 123\n  }\n}"

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

{
  "_id": "507f1f77bcf86cd799439011",
  "asset": "507f1f77bcf86cd799439011",
  "project": "507f1f77bcf86cd799439011",
  "studio": "507f1f77bcf86cd799439011",
  "revision": "<string>",
  "label": "<string>",
  "created": 123,
  "$links": {
    "self": "//example.com/path/to/object",
    "asset": "//example.com/path/to/object",
    "project": "//example.com/path/to/object",
    "studio": "//example.com/path/to/object"
  },
  "path": "https://example.com/path/to/object",
  "language": "<string>",
  "type": "<string>",
  "embargo": {
    "start": "<unknown>",
    "end": 123
  }
}