curl --request GET \
  --url https://api.example.com/payments \
  --header 'ApiKey: <apikey>' \
  --header 'Environment: <environment>' \
  --header 'MerchantId: <merchantid>'

import requests

url = "https://api.example.com/payments"

headers = {
    "ApiKey": "<apikey>",
    "MerchantId": "<merchantid>",
    "Environment": "<environment>"
}

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

print(response.text)

const options = {
  method: 'GET',
  headers: {ApiKey: '<apikey>', MerchantId: '<merchantid>', Environment: '<environment>'}
};

fetch('https://api.example.com/payments', 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.example.com/payments",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "ApiKey: <apikey>",
    "Environment: <environment>",
    "MerchantId: <merchantid>"
  ],
]);

$response = curl_exec($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.example.com/payments"

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

	req.Header.Add("ApiKey", "<apikey>")
	req.Header.Add("MerchantId", "<merchantid>")
	req.Header.Add("Environment", "<environment>")

	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.example.com/payments")
  .header("ApiKey", "<apikey>")
  .header("MerchantId", "<merchantid>")
  .header("Environment", "<environment>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/payments")

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

request = Net::HTTP::Get.new(url)
request["ApiKey"] = '<apikey>'
request["MerchantId"] = '<merchantid>'
request["Environment"] = '<environment>'

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

[
  {
    "id": "pay_QW2d6JnqiatcH8KhK0mD1",
    "intentId": "pi_z1urYtVFgEebtcj8fxp4v",
    "createdAt": "2020-10-15T12:09:49.355Z",
    "updatedAt": "2020-10-15T12:16:26.128Z",
    "status": "successful",
    "amount": 100,
    "currency": "XOF",
    "method": "mobile_money",
    "country": "CI",
    "fees": [
      {
        "id": "fee_lAe5HnFpvOjwdT9vSIgPA",
        "rate": 123,
        "rateType": "percent",
        "amount": 5,
        "currency": "XOF",
        "label": "<string>",
        "taxes": [
          {
            "id": "tax_lAe5HnFpvOjwdT9vSIgPA",
            "feeId": "fee_lAe5HnFpvOjwdT9vSIgPA",
            "taxType": "tva",
            "type": "percent",
            "value": 3.813559322033896
          }
        ]
      }
    ],
    "providerReference": "<string>",
    "number": "<string>",
    "failure": {
      "code": "internal_error",
      "message": "<string>",
      "params": [
        "<string>"
      ]
    },
    "nextAction": {
      "type": "ussd",
      "message": "<string>",
      "data": {
        "url": "<string>",
        "urls": "<string>",
        "method": "post",
        "headers": {},
        "data": {}
      }
    },
    "paymentInformation": {
      "customer_id_hashmac": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
    },
    "isDelegated": true
  }
]

{
  "status": 401,
  "error": {
    "type": "authorization_error",
    "code": "wrong_credentials",
    "message": "L'ID marchand et/ou la clé d'API sont incorrects."
  }
}

{
  "type": "internal_error",
  "code": [
    "internal_error",
    "wrong_credentials",
    "not_granted",
    "live_mode_not_granted"
  ],
  "message": "An error occurred on our system. Please try again later."
}