curl --request GET \
  --url https://api.range.org/v2/treasury/cash-flow \
  --header 'X-API-KEY: <api-key>'

import requests

url = "https://api.range.org/v2/treasury/cash-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://api.range.org/v2/treasury/cash-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://api.range.org/v2/treasury/cash-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://api.range.org/v2/treasury/cash-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://api.range.org/v2/treasury/cash-flow")
  .header("X-API-KEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.range.org/v2/treasury/cash-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

{
  "period": {
    "start": "2026-08-01T00:00:00.000Z",
    "end": "2026-09-01T00:00:00.000Z"
  },
  "bucket": "day",
  "items": [
    {
      "inflow_usd": "1250.75",
      "outflow_usd": "900.00",
      "net_usd": "350.75",
      "transfer_count": 4,
      "unpriced_leg_count": 0,
      "period_start": "2026-08-15T00:00:00.000Z",
      "period_end": "2026-08-16T00:00:00.000Z"
    }
  ],
  "totals": {
    "inflow_usd": "1250.75",
    "outflow_usd": "900.00",
    "net_usd": "350.75",
    "transfer_count": 4,
    "unpriced_leg_count": 0
  },
  "data_availability": {
    "flows": "available",
    "notes": [
      "Trades are excluded from cash flow; only TRANSFER events are counted.",
      "USD for legs without a provider-supplied price is valued at current spot, not price at event time."
    ]
  }
}