curl --request PUT \
  --url https://app.supercycle.com/api/v1/return_orders/{returnOrderId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "returnLines": [
    {
      "id": 123
    }
  ]
}
'

import requests

url = "https://app.supercycle.com/api/v1/return_orders/{returnOrderId}"

payload = { "returnLines": [{ "id": 123 }] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({returnLines: [{id: 123}]})
};

fetch('https://app.supercycle.com/api/v1/return_orders/{returnOrderId}', 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://app.supercycle.com/api/v1/return_orders/{returnOrderId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'returnLines' => [
        [
                'id' => 123
        ]
    ]
  ]),
  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://app.supercycle.com/api/v1/return_orders/{returnOrderId}"

	payload := strings.NewReader("{\n  \"returnLines\": [\n    {\n      \"id\": 123\n    }\n  ]\n}")

	req, _ := http.NewRequest("PUT", 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.put("https://app.supercycle.com/api/v1/return_orders/{returnOrderId}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"returnLines\": [\n    {\n      \"id\": 123\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.supercycle.com/api/v1/return_orders/{returnOrderId}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"returnLines\": [\n    {\n      \"id\": 123\n    }\n  ]\n}"

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

{
  "id": 123,
  "createdAt": "2023-11-07T05:31:56Z",
  "customer": {
    "id": 123,
    "createdAt": "2023-11-07T05:31:56Z",
    "shopifyId": 123,
    "defaultAddress": {
      "customerId": 123,
      "default": true,
      "firstName": "<string>",
      "lastName": "<string>",
      "company": "<string>",
      "address1": "<string>",
      "address2": "<string>",
      "city": "<string>",
      "province": "<string>",
      "country": "<string>",
      "zip": "<string>",
      "phone": "<string>",
      "name": "<string>",
      "provinceCode": "<string>",
      "countryCode": "<string>",
      "countryName": "<string>"
    },
    "email": "<string>",
    "firstName": "<string>",
    "lastName": "<string>"
  },
  "returnLines": [
    {
      "id": 123,
      "createdAt": "2023-11-07T05:31:56Z",
      "rentalId": 123,
      "condition": {
        "id": 123,
        "createdAt": "2023-11-07T05:31:56Z",
        "severityKey": "<string>",
        "severityTone": "<string>",
        "title": "<string>"
      },
      "item": {
        "id": 123,
        "createdAt": "2023-11-07T05:31:56Z",
        "activeRentalId": 123,
        "productTitle": "<string>",
        "serial": "<string>",
        "sequentialId": 123,
        "shopifyVariantId": 123,
        "tags": [
          "<string>"
        ],
        "variantTitle": "<string>",
        "activeReturnId": 123,
        "condition": {
          "id": 123,
          "createdAt": "2023-11-07T05:31:56Z",
          "severityKey": "<string>",
          "severityTone": "<string>",
          "title": "<string>"
        },
        "conditionId": 123,
        "imageUrl": "<string>",
        "location": {
          "shopifyId": 123,
          "name": "<string>"
        },
        "pickLocation": "<string>",
        "acquisitionCostCents": 123,
        "roiCents": 123,
        "shopifyProductId": 123,
        "timelineEvents": [
          {
            "id": 123,
            "eventableId": 123,
            "eventableType": "<string>",
            "eventType": "<string>",
            "metadata": {},
            "createdAt": "2023-11-07T05:31:56Z",
            "updatedAt": "2023-11-07T05:31:56Z",
            "author": "<string>"
          }
        ],
        "customFields": [
          {
            "id": 123,
            "ownerId": 123,
            "definitionId": 123,
            "key": "<string>",
            "value": "<string>",
            "valueJson": "<unknown>"
          }
        ]
      },
      "requestedAt": "2023-11-07T05:31:56Z",
      "restockedAt": "2023-11-07T05:31:56Z"
    }
  ],
  "sequentialId": 123,
  "requestedAt": "2023-11-07T05:31:56Z",
  "returnMethod": {
    "trackingUrl": "<string>",
    "addressShopifyId": 123,
    "collectionDate": "2023-12-25"
  },
  "timelineEvents": [
    {
      "id": 123,
      "eventableId": 123,
      "eventableType": "<string>",
      "eventType": "<string>",
      "metadata": {},
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "author": "<string>"
    }
  ],
  "tags": [
    "<string>"
  ]
}

{
  "error": "Rate limit exceeded. Retry after 42 seconds."
}