Update cart item

curl --request PATCH \
  --url https://api.tybritelabs.com/v1/cart/items/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "quantity": 3,
  "customer_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

import requests

url = "https://api.tybritelabs.com/v1/cart/items/{id}"

payload = {
    "quantity": 3,
    "customer_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({quantity: 3, customer_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a'})
};

fetch('https://api.tybritelabs.com/v1/cart/items/{id}', 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.tybritelabs.com/v1/cart/items/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'quantity' => 3,
    'customer_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  ]),
  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.tybritelabs.com/v1/cart/items/{id}"

	payload := strings.NewReader("{\n  \"quantity\": 3,\n  \"customer_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://api.tybritelabs.com/v1/cart/items/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"quantity\": 3,\n  \"customer_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.tybritelabs.com/v1/cart/items/{id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"quantity\": 3,\n  \"customer_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}"

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

{
  "items": [
    {
      "id": "6d2d55ff-d0ea-48b7-8c9c-6c6ef841c6d6",
      "product_id": "0186665f-f0a1-4c79-976a-919b5b1c2daa",
      "variant_id": "e98631a9-7852-4fe8-8efe-988935d5922a",
      "product_name": "Samsung Galaxy Watch 6",
      "variant_name": "Default",
      "variant_attributes": {},
      "product_sku": "SAM-WATCH-6-44-0186",
      "thumbnail_url": "https://media.tybritelabs.com/samsung-galaxy-watch-6.jpg",
      "media": [
        {
          "id": "dd630f03-fff1-455e-a927-46ddf36fde72",
          "url": "https://media.tybritelabs.com/samsung-galaxy-watch-6.jpg",
          "type": "image",
          "alt_text": "Samsung Galaxy Watch 6",
          "position": 0,
          "is_primary": true
        }
      ],
      "quantity": 3,
      "unit_price": 299,
      "selling_price": 299,
      "total_price": 897,
      "stock_available": 179,
      "has_variants": false,
      "created_at": "2026-06-20T13:49:14.603382+00:00",
      "updated_at": "2026-06-20T13:49:15.755+00:00"
    }
  ],
  "total_items": 3,
  "subtotal": 897,
  "session_id": "session-abc123-xyz789",
  "customer_id": null
}

{
  "error": {
    "code": "invalid_request",
    "message": "Invalid request parameters",
    "details": "The 'email' field is required"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Missing or invalid Authorization header"
  }
}

{
  "error": {
    "code": "forbidden",
    "message": "This operation requires a secret key. Publishable keys have read-only access."
  }
}

{
  "error": {
    "code": "not_found",
    "message": "Resource not found"
  }
}

{
  "error": {
    "code": "rate_limited",
    "message": "Too many requests for this API key. Please slow down and try again shortly.",
    "remaining": 0,
    "reset": 1706198400
  }
}

{
  "error": {
    "code": "server_error",
    "message": "An unexpected error occurred"
  }
}