curl --request POST \
  --url https://api.headlesscommerce.io/v1/admin/orders/{id}/returns \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "lines": [
    {
      "order_line_id": "<string>",
      "quantity": 2,
      "reason": "<string>",
      "condition": "<string>",
      "exchange_variant_id": "<string>"
    }
  ],
  "reason": "<string>",
  "customer_notes": "<string>"
}
'

import requests

url = "https://api.headlesscommerce.io/v1/admin/orders/{id}/returns"

payload = {
    "lines": [
        {
            "order_line_id": "<string>",
            "quantity": 2,
            "reason": "<string>",
            "condition": "<string>",
            "exchange_variant_id": "<string>"
        }
    ],
    "reason": "<string>",
    "customer_notes": "<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({
    lines: [
      {
        order_line_id: '<string>',
        quantity: 2,
        reason: '<string>',
        condition: '<string>',
        exchange_variant_id: '<string>'
      }
    ],
    reason: '<string>',
    customer_notes: '<string>'
  })
};

fetch('https://api.headlesscommerce.io/v1/admin/orders/{id}/returns', 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.headlesscommerce.io/v1/admin/orders/{id}/returns",
  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([
    'lines' => [
        [
                'order_line_id' => '<string>',
                'quantity' => 2,
                'reason' => '<string>',
                'condition' => '<string>',
                'exchange_variant_id' => '<string>'
        ]
    ],
    'reason' => '<string>',
    'customer_notes' => '<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.headlesscommerce.io/v1/admin/orders/{id}/returns"

	payload := strings.NewReader("{\n  \"lines\": [\n    {\n      \"order_line_id\": \"<string>\",\n      \"quantity\": 2,\n      \"reason\": \"<string>\",\n      \"condition\": \"<string>\",\n      \"exchange_variant_id\": \"<string>\"\n    }\n  ],\n  \"reason\": \"<string>\",\n  \"customer_notes\": \"<string>\"\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.headlesscommerce.io/v1/admin/orders/{id}/returns")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"lines\": [\n    {\n      \"order_line_id\": \"<string>\",\n      \"quantity\": 2,\n      \"reason\": \"<string>\",\n      \"condition\": \"<string>\",\n      \"exchange_variant_id\": \"<string>\"\n    }\n  ],\n  \"reason\": \"<string>\",\n  \"customer_notes\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.headlesscommerce.io/v1/admin/orders/{id}/returns")

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  \"lines\": [\n    {\n      \"order_line_id\": \"<string>\",\n      \"quantity\": 2,\n      \"reason\": \"<string>\",\n      \"condition\": \"<string>\",\n      \"exchange_variant_id\": \"<string>\"\n    }\n  ],\n  \"reason\": \"<string>\",\n  \"customer_notes\": \"<string>\"\n}"

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

{
  "id": "<string>",
  "order_id": "<string>",
  "customer_id": "<string>",
  "return_type": "refund",
  "status": "requested",
  "reason": "<string>",
  "reason_category": "defective",
  "customer_notes": "<string>",
  "admin_notes": "<string>",
  "lines": [
    {
      "id": "<string>",
      "order_line_id": "<string>",
      "quantity": 123,
      "reason": "<string>",
      "condition": "<string>",
      "exchange_variant_id": "<string>"
    }
  ],
  "refund": {
    "id": "<string>",
    "order_id": "<string>",
    "amount": {
      "amount": 123,
      "currency": "<string>"
    },
    "reason": "<string>",
    "restock": true,
    "status": "pending",
    "lines": [
      {
        "order_line_id": "<string>",
        "quantity": 123
      }
    ],
    "created_at": "2023-11-07T05:31:56Z"
  },
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}