curl --request GET \
  --url https://api.getlago.com/api/v1/customers/{external_customer_id}/projected_usage \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.getlago.com/api/v1/customers/{external_customer_id}/projected_usage"

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

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

print(response.text)

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

fetch('https://api.getlago.com/api/v1/customers/{external_customer_id}/projected_usage', 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.getlago.com/api/v1/customers/{external_customer_id}/projected_usage",
  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;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.getlago.com/api/v1/customers/{external_customer_id}/projected_usage"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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.getlago.com/api/v1/customers/{external_customer_id}/projected_usage")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.getlago.com/api/v1/customers/{external_customer_id}/projected_usage")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "customer_projected_usage": {
    "from_datetime": "2022-07-01T00:00:00Z",
    "to_datetime": "2022-07-31T23:59:59Z",
    "issuing_date": "2022-08-01",
    "lago_invoice_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
    "currency": "EUR",
    "amount_cents": 123,
    "projected_amount_cents": 256,
    "taxes_amount_cents": 200,
    "total_amount_cents": 123,
    "charges_usage": [
      {
        "units": "1.0",
        "projected_units": "2.0",
        "events_count": 10,
        "amount_cents": 123,
        "projected_amount_cents": 256,
        "amount_currency": "EUR",
        "charge": {
          "lago_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
          "charge_model": "dynamic",
          "invoice_display_name": "Setup"
        },
        "billable_metric": {
          "lago_id": "1a901a90-1a90-1a90-1a90-1a901a901a90",
          "name": "Storage",
          "code": "storage",
          "aggregation_type": "sum_agg"
        },
        "grouped_usage": [
          {
            "amount_cents": 1000,
            "projected_amount_cents": 2000,
            "events_count": 10,
            "units": "0.9",
            "projected_units": "1.8",
            "grouped_by": {},
            "pricing_unit_details": {
              "amount_cents": 200,
              "short_name": "CR",
              "conversion_rate": "0.5"
            },
            "filters": [
              {
                "units": "0.9",
                "projected_units": "1.8",
                "amount_cents": 1000,
                "projected_amount_cents": 2000,
                "events_count": 10,
                "values": {
                  "region": [
                    "us-east-1"
                  ]
                },
                "invoice_display_name": "AWS eu-east-1",
                "pricing_unit_details": {
                  "amount_cents": 200,
                  "short_name": "CR",
                  "conversion_rate": "0.5"
                },
                "presentation_breakdowns": [
                  {
                    "presentation_by": {},
                    "units": "9.0"
                  }
                ],
                "projected_presentation_breakdowns": [
                  {
                    "presentation_by": {},
                    "units": "9.0"
                  }
                ]
              }
            ],
            "presentation_breakdowns": [
              {
                "presentation_by": {},
                "units": "9.0"
              }
            ],
            "projected_presentation_breakdowns": [
              {
                "presentation_by": {},
                "units": "9.0"
              }
            ]
          }
        ],
        "pricing_unit_details": {
          "amount_cents": 200,
          "short_name": "CR",
          "conversion_rate": "0.5"
        },
        "filters": [
          {
            "units": "0.9",
            "projected_units": "1.8",
            "amount_cents": 1000,
            "projected_amount_cents": 2000,
            "events_count": 10,
            "values": {
              "region": [
                "us-east-1"
              ]
            },
            "invoice_display_name": "AWS eu-east-1",
            "pricing_unit_details": {
              "amount_cents": 200,
              "short_name": "CR",
              "conversion_rate": "0.5"
            },
            "presentation_breakdowns": [
              {
                "presentation_by": {},
                "units": "9.0"
              }
            ],
            "projected_presentation_breakdowns": [
              {
                "presentation_by": {},
                "units": "9.0"
              }
            ]
          }
        ],
        "presentation_breakdowns": [
          {
            "presentation_by": {},
            "units": "9.0"
          }
        ],
        "projected_presentation_breakdowns": [
          {
            "presentation_by": {},
            "units": "9.0"
          }
        ]
      }
    ]
  }
}

{
  "status": 401,
  "error": "Unauthorized"
}

{
  "status": 403,
  "error": "Forbidden",
  "code": "feature_unavailable"
}

{
  "status": 404,
  "error": "Not Found",
  "code": "object_not_found"
}

{
  "status": 405,
  "error": "Method Not Allowed",
  "code": "not_allowed"
}