curl --request GET \
  --url https://www.closient.com/products/api/v1/products/{gtin} \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://www.closient.com/products/api/v1/products/{gtin}"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://www.closient.com/products/api/v1/products/{gtin}', 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://www.closient.com/products/api/v1/products/{gtin}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-Key: <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"
	"net/http"
	"io"
)

func main() {

	url := "https://www.closient.com/products/api/v1/products/{gtin}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-Key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://www.closient.com/products/api/v1/products/{gtin}")
  .header("X-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://www.closient.com/products/api/v1/products/{gtin}")

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

request = Net::HTTP::Get.new(url)
request["X-API-Key"] = '<api-key>'

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

{
  "brand": "Acme Snacks",
  "confidence_score": 0.85,
  "country_of_origin": "US",
  "data_source": "crowd_sourced",
  "date_label_compliance": {
    "ca_ab660": "compliant",
    "federal": "unknown",
    "notes": []
  },
  "depth_uom": "",
  "description": "Premium trail mix with almonds, cashews, and dried cranberries.",
  "digital_link": "HTTPS://GTIN.ONE/01/00012345678905",
  "field_confidence": {
    "brand": 0.9,
    "product_name": 0.95
  },
  "gpc_brick_code": "",
  "gpc_class_code": "",
  "gpc_family_code": "",
  "gpc_segment_code": "",
  "gross_weight_uom": "",
  "gtin": "00012345678905",
  "height_uom": "",
  "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "image_url": "https://cdn.closient.com/products/00012345678905/hero.jpg",
  "is_claimed": false,
  "length_uom": "",
  "manufacturer": "Acme Foods Inc.",
  "metadata": {
    "order_id": "6735"
  },
  "net_content": "340g",
  "net_content_uom": "GRM",
  "net_content_value": 340,
  "net_weight_uom": "",
  "product_name": "Acme Trail Mix 12oz",
  "sensitivities": [
    {
      "citations": [
        {
          "note": "Aged cheeses are very high histamine.",
          "source": "SIGHI"
        }
      ],
      "name": "Histamine",
      "reasoning": "Contains aged cheddar cheese, a major histamine source.",
      "severity": "HIGH",
      "slug": "histamine",
      "source": "llm_inferred",
      "verified": false
    }
  ],
  "width_uom": ""
}

{
  "detail": "The requested resource was not found.",
  "error_code": "not_found",
  "retryable": false,
  "status": 404,
  "timestamp": "2026-03-31T12:00:00+00:00",
  "title": "Not Found",
  "type": "https://closient.com/docs/errors/not_found"
}

{
  "detail": "The requested resource was not found.",
  "error_code": "not_found",
  "retryable": false,
  "status": 404,
  "timestamp": "2026-03-31T12:00:00+00:00",
  "title": "Not Found",
  "type": "https://closient.com/docs/errors/not_found"
}

{
  "detail": "The requested resource was not found.",
  "error_code": "not_found",
  "retryable": false,
  "status": 404,
  "timestamp": "2026-03-31T12:00:00+00:00",
  "title": "Not Found",
  "type": "https://closient.com/docs/errors/not_found"
}

{
  "detail": "The requested resource was not found.",
  "error_code": "not_found",
  "retryable": false,
  "status": 404,
  "timestamp": "2026-03-31T12:00:00+00:00",
  "title": "Not Found",
  "type": "https://closient.com/docs/errors/not_found"
}

{
  "detail": "The requested resource was not found.",
  "error_code": "not_found",
  "retryable": false,
  "status": 404,
  "timestamp": "2026-03-31T12:00:00+00:00",
  "title": "Not Found",
  "type": "https://closient.com/docs/errors/not_found"
}

{
  "detail": "The requested resource was not found.",
  "error_code": "not_found",
  "retryable": false,
  "status": 404,
  "timestamp": "2026-03-31T12:00:00+00:00",
  "title": "Not Found",
  "type": "https://closient.com/docs/errors/not_found"
}

{
  "detail": "The requested resource was not found.",
  "error_code": "not_found",
  "retryable": false,
  "status": 404,
  "timestamp": "2026-03-31T12:00:00+00:00",
  "title": "Not Found",
  "type": "https://closient.com/docs/errors/not_found"
}