curl --request GET \
  --url https://bouclay.com/api/v1/subscriptions/{subscription}/upcoming-invoice \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://bouclay.com/api/v1/subscriptions/{subscription}/upcoming-invoice', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://bouclay.com/api/v1/subscriptions/{subscription}/upcoming-invoice"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://bouclay.com/api/v1/subscriptions/{subscription}/upcoming-invoice",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "data": {
    "object": "upcoming_invoice",
    "subscription": "<string>",
    "currency": "<string>",
    "boundary": "2023-11-07T05:31:56Z",
    "billsAt": "2023-11-07T05:31:56Z",
    "isFinal": true,
    "subtotal": 1,
    "discountTotal": 1,
    "grantApplied": 1,
    "taxTotal": 1,
    "taxes": [
      {
        "name": "VAT",
        "rate": 7.5,
        "reason": "<string>",
        "inclusive": true,
        "amount": 1
      }
    ],
    "total": 1,
    "minimumCommitment": {
      "amount": 123,
      "counted": 123,
      "shortfall": 123
    },
    "spendingCap": {
      "amount": 123,
      "spent": 123,
      "behavior": "cap",
      "takenBack": 123
    },
    "lines": [
      {
        "description": "<string>",
        "kind": "plan",
        "billingTiming": "advance",
        "periodStart": "2023-11-07T05:31:56Z",
        "periodEnd": "2023-11-07T05:31:56Z",
        "price": "<string>",
        "quantity": 123,
        "usageQuantity": 123,
        "meter": "<string>",
        "amount": 1,
        "discountAmount": 1,
        "grantApplied": 1,
        "total": 1
      }
    ]
  },
  "meta": {
    "requestId": "req_550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "type": "request_error",
    "code": "authentication_failed",
    "detail": "<string>",
    "errors": [
      {
        "field": "<string>",
        "message": "<string>"
      }
    ]
  },
  "meta": {
    "requestId": "req_550e8400-e29b-41d4-a716-446655440000"
  }
}