curl --request POST \
  --url https://api.returnshelper.com/uat/user/api/Resend/createResendBySku \
  --header 'Content-Type: application/json' \
  --header 'x-rr-apikey: <api-key>' \
  --header 'x-rr-apitoken: <api-key>' \
  --data '
{
  "warehouseId": 123,
  "shipmentServiceType": "<string>",
  "itemList": [
    {
      "sku": "<string>",
      "quantity": 123
    }
  ],
  "toAddress": {
    "contactName": "<string>",
    "street1": "<string>",
    "street2": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postalCode": "<string>",
    "country": "<string>",
    "phone": "<string>",
    "addressType": "<string>",
    "street3": "<string>",
    "fax": "<string>",
    "email": "<string>"
  },
  "sellerReferenceNumber": "<string>",
  "description": "<string>",
  "remarks": "<string>",
  "warehouseRemarks": "<string>"
}
'

import requests

url = "https://api.returnshelper.com/uat/user/api/Resend/createResendBySku"

payload = {
    "warehouseId": 123,
    "shipmentServiceType": "<string>",
    "itemList": [
        {
            "sku": "<string>",
            "quantity": 123
        }
    ],
    "toAddress": {
        "contactName": "<string>",
        "street1": "<string>",
        "street2": "<string>",
        "city": "<string>",
        "state": "<string>",
        "postalCode": "<string>",
        "country": "<string>",
        "phone": "<string>",
        "addressType": "<string>",
        "street3": "<string>",
        "fax": "<string>",
        "email": "<string>"
    },
    "sellerReferenceNumber": "<string>",
    "description": "<string>",
    "remarks": "<string>",
    "warehouseRemarks": "<string>"
}
headers = {
    "x-rr-apikey": "<api-key>",
    "x-rr-apitoken": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-rr-apikey': '<api-key>',
    'x-rr-apitoken': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    warehouseId: 123,
    shipmentServiceType: '<string>',
    itemList: [{sku: '<string>', quantity: 123}],
    toAddress: {
      contactName: '<string>',
      street1: '<string>',
      street2: '<string>',
      city: '<string>',
      state: '<string>',
      postalCode: '<string>',
      country: '<string>',
      phone: '<string>',
      addressType: '<string>',
      street3: '<string>',
      fax: '<string>',
      email: '<string>'
    },
    sellerReferenceNumber: '<string>',
    description: '<string>',
    remarks: '<string>',
    warehouseRemarks: '<string>'
  })
};

fetch('https://api.returnshelper.com/uat/user/api/Resend/createResendBySku', 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.returnshelper.com/uat/user/api/Resend/createResendBySku",
  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([
    'warehouseId' => 123,
    'shipmentServiceType' => '<string>',
    'itemList' => [
        [
                'sku' => '<string>',
                'quantity' => 123
        ]
    ],
    'toAddress' => [
        'contactName' => '<string>',
        'street1' => '<string>',
        'street2' => '<string>',
        'city' => '<string>',
        'state' => '<string>',
        'postalCode' => '<string>',
        'country' => '<string>',
        'phone' => '<string>',
        'addressType' => '<string>',
        'street3' => '<string>',
        'fax' => '<string>',
        'email' => '<string>'
    ],
    'sellerReferenceNumber' => '<string>',
    'description' => '<string>',
    'remarks' => '<string>',
    'warehouseRemarks' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-rr-apikey: <api-key>",
    "x-rr-apitoken: <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.returnshelper.com/uat/user/api/Resend/createResendBySku"

	payload := strings.NewReader("{\n  \"warehouseId\": 123,\n  \"shipmentServiceType\": \"<string>\",\n  \"itemList\": [\n    {\n      \"sku\": \"<string>\",\n      \"quantity\": 123\n    }\n  ],\n  \"toAddress\": {\n    \"contactName\": \"<string>\",\n    \"street1\": \"<string>\",\n    \"street2\": \"<string>\",\n    \"city\": \"<string>\",\n    \"state\": \"<string>\",\n    \"postalCode\": \"<string>\",\n    \"country\": \"<string>\",\n    \"phone\": \"<string>\",\n    \"addressType\": \"<string>\",\n    \"street3\": \"<string>\",\n    \"fax\": \"<string>\",\n    \"email\": \"<string>\"\n  },\n  \"sellerReferenceNumber\": \"<string>\",\n  \"description\": \"<string>\",\n  \"remarks\": \"<string>\",\n  \"warehouseRemarks\": \"<string>\"\n}")

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

	req.Header.Add("x-rr-apikey", "<api-key>")
	req.Header.Add("x-rr-apitoken", "<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.returnshelper.com/uat/user/api/Resend/createResendBySku")
  .header("x-rr-apikey", "<api-key>")
  .header("x-rr-apitoken", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"warehouseId\": 123,\n  \"shipmentServiceType\": \"<string>\",\n  \"itemList\": [\n    {\n      \"sku\": \"<string>\",\n      \"quantity\": 123\n    }\n  ],\n  \"toAddress\": {\n    \"contactName\": \"<string>\",\n    \"street1\": \"<string>\",\n    \"street2\": \"<string>\",\n    \"city\": \"<string>\",\n    \"state\": \"<string>\",\n    \"postalCode\": \"<string>\",\n    \"country\": \"<string>\",\n    \"phone\": \"<string>\",\n    \"addressType\": \"<string>\",\n    \"street3\": \"<string>\",\n    \"fax\": \"<string>\",\n    \"email\": \"<string>\"\n  },\n  \"sellerReferenceNumber\": \"<string>\",\n  \"description\": \"<string>\",\n  \"remarks\": \"<string>\",\n  \"warehouseRemarks\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.returnshelper.com/uat/user/api/Resend/createResendBySku")

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

request = Net::HTTP::Post.new(url)
request["x-rr-apikey"] = '<api-key>'
request["x-rr-apitoken"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"warehouseId\": 123,\n  \"shipmentServiceType\": \"<string>\",\n  \"itemList\": [\n    {\n      \"sku\": \"<string>\",\n      \"quantity\": 123\n    }\n  ],\n  \"toAddress\": {\n    \"contactName\": \"<string>\",\n    \"street1\": \"<string>\",\n    \"street2\": \"<string>\",\n    \"city\": \"<string>\",\n    \"state\": \"<string>\",\n    \"postalCode\": \"<string>\",\n    \"country\": \"<string>\",\n    \"phone\": \"<string>\",\n    \"addressType\": \"<string>\",\n    \"street3\": \"<string>\",\n    \"fax\": \"<string>\",\n    \"email\": \"<string>\"\n  },\n  \"sellerReferenceNumber\": \"<string>\",\n  \"description\": \"<string>\",\n  \"remarks\": \"<string>\",\n  \"warehouseRemarks\": \"<string>\"\n}"

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

{
  "data": {
    "resendId": 123,
    "resendNumber": "<string>",
    "resendShipmentId": 123,
    "sellerReferenceNumber": "<string>",
    "selectedReturnInventoryList": [
      {
        "returnInventoryId": 123,
        "rmaCode": "<string>",
        "sku": "<string>"
      }
    ]
  }
}

{
  "correlationId": "<string>",
  "meta": {
    "status": 123,
    "data": {},
    "errorCode": "<string>",
    "error": {}
  }
}