curl --request POST \
--url https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary \
--header 'X-API-Key: <api-key>'import requests
url = "https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary"
headers = {"X-API-Key": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};
fetch('https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary', 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/brands/api/v1/brands/{id}/glns/{gln_id}/primary",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
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/brands/api/v1/brands/{id}/glns/{gln_id}/primary"
req, _ := http.NewRequest("POST", 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.post("https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary")
.header("X-API-Key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"ai_code": "414",
"created": "2026-06-01T09:00:00Z",
"gln": "0614141000005",
"gln_type": "physical",
"id": "nP4sKd9QwE2rTy6UvBx3Zc",
"is_primary": true,
"label": "Head office"
}{
"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"
}Make a GLN the brand's primary
Mark one of the brand’s GLNs as primary, demoting the current one. Idempotent. Requires the Owner, Manager or Editor role; a read-only key is refused with 403.
curl --request POST \
--url https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary \
--header 'X-API-Key: <api-key>'import requests
url = "https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary"
headers = {"X-API-Key": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};
fetch('https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary', 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/brands/api/v1/brands/{id}/glns/{gln_id}/primary",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
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/brands/api/v1/brands/{id}/glns/{gln_id}/primary"
req, _ := http.NewRequest("POST", 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.post("https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary")
.header("X-API-Key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://www.closient.com/brands/api/v1/brands/{id}/glns/{gln_id}/primary")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"ai_code": "414",
"created": "2026-06-01T09:00:00Z",
"gln": "0614141000005",
"gln_type": "physical",
"id": "nP4sKd9QwE2rTy6UvBx3Zc",
"is_primary": true,
"label": "Head office"
}{
"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"
}Authorizations
Path Parameters
URL-safe brand identifier.
22^[23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{22}$Identifier of the brand-to-GLN link, as listed.
22^[23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{22}$Response
OK
One GLN linked to a brand.
Identifier of this brand-to-GLN link (not the GLN itself).
22^[23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{22}$The 13-digit Global Location Number.
GS1 classification of the GLN: physical (physical location, AI 414), invoicing (invoicing party, AI 415) or legal (legal entity, AI 417). Held by the GLN registry, so one GLN has one classification across Closient.
physical, invoicing, legal GS1 Application Identifier the classification maps to: 414, 415 or 417.
Optional human-readable description, such as 'Head office'.
Whether this is the brand's primary GLN. A brand has at most one.
ISO-8601 time the GLN was linked to the brand.