curl --request GET \
  --url https://iris-api-sandbox.circle.com/v2/messages/{sourceDomainId}

import requests

url = "https://iris-api-sandbox.circle.com/v2/messages/{sourceDomainId}"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://iris-api-sandbox.circle.com/v2/messages/{sourceDomainId}', 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://iris-api-sandbox.circle.com/v2/messages/{sourceDomainId}",
  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://iris-api-sandbox.circle.com/v2/messages/{sourceDomainId}"

	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://iris-api-sandbox.circle.com/v2/messages/{sourceDomainId}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://iris-api-sandbox.circle.com/v2/messages/{sourceDomainId}")

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

{
  "messages": [
    {
      "message": "0x00000000000000050000000300000000000194c2a65fc943419a5ad590042fd67c9791fd015acf53a54cc823edb8ff81b9ed722e00000000000000000000000019330d10d9cc8751218eaf51e8885d058642e08a000000000000000000000000fc05ad74c6fe2e7046e091d6ad4f660d2a15976200000000c6fa7af3bedbad3a3d65f36aabc97431b1bbe4c2d2f6e0e47ca60203452f5d610000000000000000000000002d475f4746419c83be23056309a8e2ac33b30e3b0000000000000000000000000000000000000000000000000000000002b67df0feae5e08f5e6bf04d8c1de7dada9235c56996f4420b14371d6c6f3ddd2f2da78",
      "eventNonce": "9682",
      "attestation": "0x6edd90f4a0ad0212fd9fbbd5058a25aa8ee10ce77e4fc143567bbe73fb6e164f384a3e14d350c8a4fc50b781177297e03c16b304e8d7656391df0f59a75a271f1b",
      "decodedMessage": {
        "sourceDomain": "7",
        "destinationDomain": "5",
        "nonce": "569",
        "sender": "0xca9142d0b9804ef5e239d3bc1c7aa0d1c74e7350",
        "recipient": "0xb7317b4EFEa194a22bEB42506065D3772C2E95EF",
        "destinationCaller": "0xf2Edb1Ad445C6abb1260049AcDDCA9E84D7D8aaA",
        "messageBody": "0x00000000000000050000000300000000000194c2a65fc943419a5ad590042fd67c9791fd015acf53a54cc823edb8ff81b9ed722e00000000000000000000000019330d10d9cc8751218eaf51e8885d058642e08a000000000000000000000000fc05ad74c6fe2e7046e091d6ad4f660d2a15976200000000c6fa7af3bedbad3a3d65f36aabc97431b1bbe4c2d2f6e0e47ca60203452f5d610000000000000000000000002d475f4746419c83be23056309a8e2ac33b30e3b0000000000000000000000000000000000000000000000000000000002b67df0feae5e08f5e6bf04d8c1de7dada9235c56996f4420b14371d6c6f3ddd2f2da78",
        "decodedMessageBody": {
          "burnToken": "0x4Bc078D75390C0f5CCc3e7f59Ae2159557C5eb85",
          "mintRecipient": "0xb7317b4EFEa194a22bEB42506065D3772C2E95EF",
          "amount": "5000",
          "messageSender": "0xca9142d0b9804ef5e239d3bc1c7aa0d1c74e7350"
        }
      },
      "cctpVersion": 2,
      "status": "complete",
      "forwardState": "PENDING",
      "forwardTxHash": "0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890"
    }
  ],
  "sourceTxHash": "0x912f22a13e9ccb979b621500f6952b2afd6e75be7eadaed93fc2625fe11c52a2"
}

{
  "code": 400,
  "message": "Bad request."
}

{
  "code": 404,
  "message": "Not found."
}