curl --request POST \
  --url https://api.anysite.io/api/paypayfleamarket/items \
  --header 'Content-Type: application/json' \
  --header 'access-token: <api-key>' \
  --data '
{
  "item": "<string>",
  "timeout": 300
}
'

import requests

url = "https://api.anysite.io/api/paypayfleamarket/items"

payload = {
    "item": "<string>",
    "timeout": 300
}
headers = {
    "access-token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'access-token': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({item: '<string>', timeout: 300})
};

fetch('https://api.anysite.io/api/paypayfleamarket/items', 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.anysite.io/api/paypayfleamarket/items",
  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([
    'item' => '<string>',
    'timeout' => 300
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "access-token: <api-key>"
  ],
]);

$response = curl_exec($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.anysite.io/api/paypayfleamarket/items"

	payload := strings.NewReader("{\n  \"item\": \"<string>\",\n  \"timeout\": 300\n}")

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

	req.Header.Add("access-token", "<api-key>")
	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.anysite.io/api/paypayfleamarket/items")
  .header("access-token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"item\": \"<string>\",\n  \"timeout\": 300\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.anysite.io/api/paypayfleamarket/items")

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

request = Net::HTTP::Post.new(url)
request["access-token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"item\": \"<string>\",\n  \"timeout\": 300\n}"

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

[
  {
    "id": "<string>",
    "url": "<string>",
    "name": "<string>",
    "@type": "PaypayfleamarketItem",
    "price": 123,
    "status": "<string>",
    "condition": "<string>",
    "condition_name": "<string>",
    "image": "<string>",
    "images": [],
    "view_count": 123,
    "like_count": 123,
    "question_count": 123,
    "discount_count": 123,
    "offer_count": 123,
    "created_at": 123,
    "opened_at": 123,
    "updated_at": 123,
    "sold_at": 123,
    "sold_in_minutes": 123,
    "sold_in_label": "<string>",
    "is_fast_sale": true,
    "category": {
      "id": 123,
      "name": "<string>",
      "@type": "PaypayfleamarketCategoryRef"
    },
    "category_path": [],
    "category_url": "<string>",
    "product_category": {
      "id": 123,
      "name": "<string>",
      "@type": "PaypayfleamarketCategoryRef"
    },
    "brands": [],
    "catalog_id": "<string>",
    "product_url": "<string>",
    "jancodes": [],
    "price_compare_url": "<string>",
    "hashtags": [],
    "specs": [],
    "delivery_method": "<string>",
    "delivery_method_name": "<string>",
    "delivery_size": "<string>",
    "delivery_schedule": "<string>",
    "delivery_schedule_name": "<string>",
    "imei": "<string>",
    "location": "<string>",
    "location_name": "<string>",
    "item_type": "<string>",
    "is_no_price_item": true,
    "is_first_submit": true,
    "is_free_shipping_campaign": true,
    "is_web_purchase_only": true,
    "is_flat_price": true,
    "is_inspecting": true,
    "is_bulk_purchase_requestable": true,
    "count_down_campaign_expires_at": 123,
    "seller": {
      "id": "<string>",
      "url": "<string>",
      "@type": "PaypayfleamarketUser",
      "nickname": "<string>",
      "image": "<string>",
      "rating_count": 123,
      "good_ratio": 123,
      "is_deleted": true,
      "is_kyc_completed": true,
      "is_trusted": true,
      "is_gold": true,
      "ship_badge_level": "<string>",
      "trading_record_label": "<string>",
      "trading_record_level": 123,
      "external_trading_record_level": 123,
      "follower_count": 123,
      "followee_count": 123
    }
  }
]

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}