Get registration credential issuer

curl --request HEAD \
  --url 'https://<host>/v1/agents/registrations/issuer'

const response = await fetch("https://<host>/v1/agents/registrations/issuer", {
  method: "HEAD"
});

const data = await response.json();

interface RegistrationIssuerResponse {
  issuer_did?: string;
}

const response = await fetch("https://<host>/v1/agents/registrations/issuer", {
  method: "HEAD"
});
if (!response.ok) throw new Error(`${response.status} ${response.statusText}`);

const data: RegistrationIssuerResponse = await response.json();

import requests

response = requests.head(
    "https://<host>/v1/agents/registrations/issuer",
)
response.raise_for_status()
print(response.json())

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	req, err := http.NewRequest(http.MethodHead, "https://<host>/v1/agents/registrations/issuer", nil)
	if err != nil {
		panic(err)
	}

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()

	data, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(res.Status, string(data))
}

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Example {
    public static void main(String[] args) throws Exception {
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://<host>/v1/agents/registrations/issuer"))
            .method("HEAD", HttpRequest.BodyPublishers.noBody())
            .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.statusCode() + " " + response.body());
    }
}

using var client = new HttpClient();
using var request = new HttpRequestMessage(HttpMethod.Head, "https://<host>/v1/agents/registrations/issuer");

using var response = await client.SendAsync(request);
Console.WriteLine($"{(int)response.StatusCode} {await response.Content.ReadAsStringAsync()}");

<?php

$ch = curl_init('https://<host>/v1/agents/registrations/issuer');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'HEAD',
    CURLOPT_RETURNTRANSFER => true,
]);

$response = curl_exec($ch);
$status = curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
echo $status . " " . $response . PHP_EOL;

require "net/http"

uri = URI("https://<host>/v1/agents/registrations/issuer")
request = Net::HTTP::Head.new(uri)

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http|
  http.request(request)
end
puts "#{response.code} #{response.body}"

// Cargo.toml dependencies: reqwest, tokio (features "full")

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let response = reqwest::Client::new()
        .head("https://<host>/v1/agents/registrations/issuer")
        .send()
        .await?;

    println!("{} {}", response.status(), response.text().await?);
    Ok(())
}