curl --request GET \
  --url https://astreus.ai/api/v1/countries/{iso}/budget-flow \
  --header 'X-API-KEY: <api-key>'

import requests

url = "https://astreus.ai/api/v1/countries/{iso}/budget-flow"

headers = {"X-API-KEY": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://astreus.ai/api/v1/countries/{iso}/budget-flow', 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://astreus.ai/api/v1/countries/{iso}/budget-flow",
  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-API-KEY: <api-key>"
  ],
]);

$response = curl_exec($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://astreus.ai/api/v1/countries/{iso}/budget-flow"

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

	req.Header.Add("X-API-KEY", "<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://astreus.ai/api/v1/countries/{iso}/budget-flow")
  .header("X-API-KEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://astreus.ai/api/v1/countries/{iso}/budget-flow")

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

request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'

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

{
  "unit": "Billions of dollars",
  "source": {
    "name": "U.S. Treasury, Monthly Treasury Statement",
    "table": "Table 9 — receipts by source, outlays by function (September, fiscal year to date)",
    "url": "https://fiscaldata.treasury.gov/datasets/monthly-treasury-statement/"
  },
  "years": [
    {
      "fiscalYear": 2015,
      "label": "FY2015",
      "receipts": 3402.86146706,
      "outlays": 3841.760325182,
      "officialReceipts": 3248.723200916,
      "officialOutlays": 3687.6220590380003,
      "receiptSources": [
        {
          "id": "individual",
          "label": "Individual income",
          "value": 1540.802375213
        },
        {
          "id": "payroll",
          "label": "Payroll taxes",
          "value": 1065.277352876
        }
      ],
      "outlayCategories": [
        {
          "id": "ss",
          "label": "Social Security",
          "value": 887.770817464
        },
        {
          "id": "defense",
          "label": "National defense",
          "value": 591.372205224
        }
      ]
    },
    {
      "fiscalYear": 2016,
      "label": "FY2016",
      "receipts": 3394.728635185,
      "outlays": 3982.140404822,
      "officialReceipts": 3266.688370973,
      "officialOutlays": 3854.10014061,
      "receiptSources": [
        {
          "id": "individual",
          "label": "Individual income",
          "value": 1546.074928108
        },
        {
          "id": "payroll",
          "label": "Payroll taxes",
          "value": 1115.062819157
        }
      ],
      "outlayCategories": [
        {
          "id": "ss",
          "label": "Social Security",
          "value": 916.0779871330001
        },
        {
          "id": "defense",
          "label": "National defense",
          "value": 595.303439435
        }
      ]
    }
  ]
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}