curl --request GET \
  --url https://api.circle.com/v1/facilitator/x402/supported

import requests

url = "https://api.circle.com/v1/facilitator/x402/supported"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.circle.com/v1/facilitator/x402/supported', 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.circle.com/v1/facilitator/x402/supported",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($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://api.circle.com/v1/facilitator/x402/supported"

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

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.circle.com/v1/facilitator/x402/supported")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.circle.com/v1/facilitator/x402/supported")

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

request = Net::HTTP::Get.new(url)

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

{
  "x402Version": 2,
  "kinds": [
    {
      "x402Version": 2,
      "scheme": "exact",
      "network": "eip155:5042002",
      "asset": "0x3600000000000000000000000000000000000000",
      "decimals": 6,
      "extra": {
        "name": "USDC",
        "version": "2"
      }
    },
    {
      "x402Version": 2,
      "scheme": "upto",
      "network": "eip155:5042002",
      "asset": "0x3600000000000000000000000000000000000000",
      "decimals": 6,
      "extra": {
        "name": "USDC",
        "version": "2",
        "assetTransferMethod": "permit2",
        "facilitatorAddress": "0x2240278661b83f55d31b2506f77266f6ffd21d55"
      }
    },
    {
      "x402Version": 2,
      "scheme": "exact",
      "network": "eip155:84532",
      "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
      "decimals": 6,
      "extra": {
        "name": "USDC",
        "version": "2"
      }
    }
  ],
  "extensions": [
    "payment-identifier",
    "settlement-status",
    "eip2612GasSponsoring"
  ],
  "signers": {
    "eip155:5042002": [
      "0x2240278661b83f55d31b2506f77266f6ffd21d55"
    ]
  }
}

{
  "code": 403,
  "message": "Registration required to continue settling on this address",
  "errors": [
    {
      "reason": "registration_required"
    }
  ]
}