Create a pet

const response = await fetch('https://petstore.example.com/v1/pets', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    "name": "Mochi",
    "tag": "cat"
})
});

const data = await response.json();
console.log(data);

import requests

headers = {
    "Content-Type": "application/json"
}

payload = {
    "name": "Mochi",
    "tag": "cat"
}

response = requests.post("https://petstore.example.com/v1/pets", headers=headers, json=payload)

print(response.json())

<?php
$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => 'https://petstore.example.com/v1/pets',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_CUSTOMREQUEST => 'POST',
  CURLOPT_HTTPHEADER => [
  'Content-Type: application/json'
  ],
  CURLOPT_POSTFIELDS => '{
    "name": "Mochi",
    "tag": "cat"
}',
]);

$response = curl_exec($curl);
curl_close($curl);

echo $response;

using System.Net.Http;
using System.Text;

var client = new HttpClient();
var request = new HttpRequestMessage(new HttpMethod("POST"), "https://petstore.example.com/v1/pets");
request.Content = new StringContent(@"{
    ""name"": ""Mochi"",
    ""tag"": ""cat""
}", Encoding.UTF8, "application/json");
var response = await client.SendAsync(request);
var body = await response.Content.ReadAsStringAsync();
Console.WriteLine(body);

import java.net.URI;
import java.net.http.*;

HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create("https://petstore.example.com/v1/pets"))
    .header("Content-Type", "application/json")
    .method("POST", HttpRequest.BodyPublishers.ofString("""
{
    "name": "Mochi",
    "tag": "cat"
}
"""))
    .build();

HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());