curl --request POST \
  --url https://api.managem.co.uk/seller/listings/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "listings": [
    {
      "condition": "<string>",
      "price": 123,
      "language": "<string>",
      "urn": "<string>",
      "quantity": 1,
      "variants": [],
      "comment": "<string>",
      "gradingProvider": "<string>",
      "gradingScore": "<string>",
      "gradingNumber": "<string>",
      "hidden": false,
      "notes": "<string>",
      "reference": "<string>"
    }
  ]
}
'

import requests

url = "https://api.managem.co.uk/seller/listings/bulk"

payload = { "listings": [
        {
            "condition": "<string>",
            "price": 123,
            "language": "<string>",
            "urn": "<string>",
            "quantity": 1,
            "variants": [],
            "comment": "<string>",
            "gradingProvider": "<string>",
            "gradingScore": "<string>",
            "gradingNumber": "<string>",
            "hidden": False,
            "notes": "<string>",
            "reference": "<string>"
        }
    ] }
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({
    listings: [
      {
        condition: '<string>',
        price: 123,
        language: '<string>',
        urn: '<string>',
        quantity: 1,
        variants: [],
        comment: '<string>',
        gradingProvider: '<string>',
        gradingScore: '<string>',
        gradingNumber: '<string>',
        hidden: false,
        notes: '<string>',
        reference: '<string>'
      }
    ]
  })
};

fetch('https://api.managem.co.uk/seller/listings/bulk', 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.managem.co.uk/seller/listings/bulk",
  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([
    'listings' => [
        [
                'condition' => '<string>',
                'price' => 123,
                'language' => '<string>',
                'urn' => '<string>',
                'quantity' => 1,
                'variants' => [
                                
                ],
                'comment' => '<string>',
                'gradingProvider' => '<string>',
                'gradingScore' => '<string>',
                'gradingNumber' => '<string>',
                'hidden' => false,
                'notes' => '<string>',
                'reference' => '<string>'
        ]
    ]
  ]),
  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://api.managem.co.uk/seller/listings/bulk"

	payload := strings.NewReader("{\n  \"listings\": [\n    {\n      \"condition\": \"<string>\",\n      \"price\": 123,\n      \"language\": \"<string>\",\n      \"urn\": \"<string>\",\n      \"quantity\": 1,\n      \"variants\": [],\n      \"comment\": \"<string>\",\n      \"gradingProvider\": \"<string>\",\n      \"gradingScore\": \"<string>\",\n      \"gradingNumber\": \"<string>\",\n      \"hidden\": false,\n      \"notes\": \"<string>\",\n      \"reference\": \"<string>\"\n    }\n  ]\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://api.managem.co.uk/seller/listings/bulk")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"listings\": [\n    {\n      \"condition\": \"<string>\",\n      \"price\": 123,\n      \"language\": \"<string>\",\n      \"urn\": \"<string>\",\n      \"quantity\": 1,\n      \"variants\": [],\n      \"comment\": \"<string>\",\n      \"gradingProvider\": \"<string>\",\n      \"gradingScore\": \"<string>\",\n      \"gradingNumber\": \"<string>\",\n      \"hidden\": false,\n      \"notes\": \"<string>\",\n      \"reference\": \"<string>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.managem.co.uk/seller/listings/bulk")

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  \"listings\": [\n    {\n      \"condition\": \"<string>\",\n      \"price\": 123,\n      \"language\": \"<string>\",\n      \"urn\": \"<string>\",\n      \"quantity\": 1,\n      \"variants\": [],\n      \"comment\": \"<string>\",\n      \"gradingProvider\": \"<string>\",\n      \"gradingScore\": \"<string>\",\n      \"gradingNumber\": \"<string>\",\n      \"hidden\": false,\n      \"notes\": \"<string>\",\n      \"reference\": \"<string>\"\n    }\n  ]\n}"

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

{
  "successful": [
    "<string>"
  ],
  "failed": [
    "<string>"
  ]
}