curl --request GET \
  --url https://api.meridian.example.com/v1/transactions \
  --header 'X-Meridian-Api-Key: <x-meridian-api-key>' \
  --header 'X-Meridian-Program-Id: <x-meridian-program-id>' \
  --header 'X-Meridian-Signature: <api-key>' \
  --header 'X-Meridian-Timestamp: <x-meridian-timestamp>'

import requests

url = "https://api.meridian.example.com/v1/transactions"

headers = {
    "X-Meridian-Program-Id": "<x-meridian-program-id>",
    "X-Meridian-Api-Key": "<x-meridian-api-key>",
    "X-Meridian-Timestamp": "<x-meridian-timestamp>",
    "X-Meridian-Signature": "<api-key>"
}

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

print(response.text)

const options = {
  method: 'GET',
  headers: {
    'X-Meridian-Program-Id': '<x-meridian-program-id>',
    'X-Meridian-Api-Key': '<x-meridian-api-key>',
    'X-Meridian-Timestamp': '<x-meridian-timestamp>',
    'X-Meridian-Signature': '<api-key>'
  }
};

fetch('https://api.meridian.example.com/v1/transactions', 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.meridian.example.com/v1/transactions",
  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-Meridian-Api-Key: <x-meridian-api-key>",
    "X-Meridian-Program-Id: <x-meridian-program-id>",
    "X-Meridian-Signature: <api-key>",
    "X-Meridian-Timestamp: <x-meridian-timestamp>"
  ],
]);

$response = curl_exec($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.meridian.example.com/v1/transactions"

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

	req.Header.Add("X-Meridian-Program-Id", "<x-meridian-program-id>")
	req.Header.Add("X-Meridian-Api-Key", "<x-meridian-api-key>")
	req.Header.Add("X-Meridian-Timestamp", "<x-meridian-timestamp>")
	req.Header.Add("X-Meridian-Signature", "<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://api.meridian.example.com/v1/transactions")
  .header("X-Meridian-Program-Id", "<x-meridian-program-id>")
  .header("X-Meridian-Api-Key", "<x-meridian-api-key>")
  .header("X-Meridian-Timestamp", "<x-meridian-timestamp>")
  .header("X-Meridian-Signature", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.meridian.example.com/v1/transactions")

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

request = Net::HTTP::Get.new(url)
request["X-Meridian-Program-Id"] = '<x-meridian-program-id>'
request["X-Meridian-Api-Key"] = '<x-meridian-api-key>'
request["X-Meridian-Timestamp"] = '<x-meridian-timestamp>'
request["X-Meridian-Signature"] = '<api-key>'

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

{
  "transactions": [
    {
      "id": "txn_01JVY8Y4N9X2M6S5Q7T1",
      "messageId": "msg_01JVY8Y4N9X2M6S5Q7T1",
      "source": {
        "type": "external_submission",
        "externalSubmission": {
          "id": "sub_01JVY8Y4N9X2M6S5Q7T1",
          "displayName": "Customer message submission"
        }
      },
      "type": "transfer",
      "createdAt": "2026-04-07T20:11:42Z",
      "updatedAt": "2026-04-07T20:12:05Z",
      "status": "PENDING",
      "statusReason": null,
      "externalId": "e2e-20260407-000123",
      "relatedTransactionId": null,
      "amounts": {
        "debit": {
          "amount": "125000.00",
          "currency": "USD"
        },
        "credit": {
          "amount": "124975.00",
          "currency": "USD"
        },
        "fees": [
          {
            "type": "NETWORK_FEE",
            "label": "Network fee",
            "amount": "25.00",
            "currency": "USD"
          }
        ],
        "exchangeRate": "1.0000"
      },
      "debitInstrument": {
        "type": "ORIGINATOR",
        "originator": {
          "displayName": "Northwind Imports LLC",
          "accountNumber": "****9021"
        }
      },
      "creditInstrument": {
        "type": "BENEFICIARY_ACCOUNT",
        "beneficiaryAccount": {
          "id": "bfa_01JVY8Y4N9X2M6S5Q7T1",
          "displayName": "Contoso Treasury USD Account",
          "currency": "USD"
        }
      }
    },
    {
      "id": "txn_01JVY91MN2C4J7S6Q8U2",
      "messageId": "msg_01JVY91MN2C4J7S6Q8U2",
      "source": {
        "type": "system_initiation"
      },
      "type": "transfer",
      "createdAt": "2026-04-07T19:58:11Z",
      "updatedAt": "2026-04-07T20:01:14Z",
      "status": "COMPLETED",
      "statusReason": null,
      "externalId": "e2e-20260407-000122",
      "relatedTransactionId": "txn_01JVY8Y4N9X2M6S5Q7T1",
      "amounts": {
        "debit": {
          "amount": "124975.00",
          "currency": "USD"
        },
        "credit": {
          "amount": "124975.00",
          "currency": "USD"
        },
        "fees": [],
        "exchangeRate": "1.0000"
      },
      "debitInstrument": {
        "type": "BALANCE",
        "balance": {
          "id": "bal_01JVY91MN2C4J7S6Q8U2",
          "displayName": "USD settlement balance",
          "currency": "USD"
        }
      },
      "creditInstrument": {
        "type": "BENEFICIARY_ACCOUNT",
        "beneficiaryAccount": {
          "id": "bfa_01JVY91MN2C4J7S6Q8U2",
          "displayName": "Contoso Treasury USD Account",
          "currency": "USD"
        }
      }
    }
  ],
  "pageIndex": 1,
  "pageSize": 50,
  "totalRecords": 2
}

{
  "validationErrors": [
    {
      "type": "<string>",
      "fieldRef": "<string>",
      "message": "Invalid format"
    }
  ],
  "message": "Request validation failed",
  "errorCode": "INVALID_REQUEST"
}

{
  "validationErrors": [
    {
      "type": "<string>",
      "fieldRef": "<string>",
      "message": "Invalid format"
    }
  ],
  "message": "Request validation failed",
  "errorCode": "INVALID_REQUEST"
}

{
  "validationErrors": [
    {
      "type": "<string>",
      "fieldRef": "<string>",
      "message": "Invalid format"
    }
  ],
  "message": "Request validation failed",
  "errorCode": "INVALID_REQUEST"
}