curl --request GET \
  --url https://api.messari.io/metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity} \
  --header 'X-Messari-API-Key: <api-key>'

import requests

url = "https://api.messari.io/metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}"

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

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

print(response.text)

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

fetch('https://api.messari.io/metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}', 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.messari.io/metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}",
  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-Messari-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.messari.io/metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}"

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

	req.Header.Add("X-Messari-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.messari.io/metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}")
  .header("X-Messari-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.messari.io/metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}")

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

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

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

{
  "error": null,
  "data": {
    "points": [
      [
        1704844800,
        10449833,
        10449833,
        1,
        0.0025,
        1,
        1,
        10449833,
        -0.9997965550229319
      ],
      [
        1704931200,
        10635116,
        0,
        1,
        0.0025,
        1,
        1,
        10449833,
        -0.999792947798234
      ],
      [
        1705017600,
        114712330,
        104737345,
        1,
        0.0025,
        1,
        1,
        115187178,
        -0.9977666966212494
      ],
      [
        1705276800,
        114712330,
        0,
        1,
        0.0025,
        1,
        1,
        115187178,
        -0.9977666966212494
      ],
      [
        1705363200,
        494341368,
        381095835,
        1,
        0.0025,
        1,
        1,
        496283013,
        -0.9903758013858617
      ]
    ]
  },
  "metadata": {
    "pointSchemas": [
      {
        "name": "Timestamp",
        "slug": "time",
        "description": "Timestamp of the data point.",
        "is_timestamp": true
      },
      {
        "name": "AUM (USD)",
        "slug": "aum-usd",
        "description": "Assets under management across the provider's crypto ETF products in USD. Sourced from Blockworks Research.",
        "is_timestamp": false
      },
      {
        "name": "Flow (USD)",
        "slug": "flow-usd",
        "description": "Daily net flow across the provider's crypto ETF products in USD. Sourced from Blockworks Research.",
        "is_timestamp": false
      },
      {
        "name": "Product Count",
        "slug": "num-products",
        "description": "Number of active products with positive AUM. Sourced from Blockworks Research.",
        "is_timestamp": false
      },
      {
        "name": "Weighted Expense Ratio",
        "slug": "weighted-aum-expense-ratio",
        "description": "AUM-weighted average expense ratio. Sourced from Blockworks Research.",
        "is_timestamp": false
      },
      {
        "name": "Bitcoin AUM Share",
        "slug": "bitcoin-aum-perc",
        "description": "Share of AUM in bitcoin products (0-1). Sourced from Blockworks Research.",
        "is_timestamp": false
      },
      {
        "name": "Spot AUM Share",
        "slug": "spot-aum-perc",
        "description": "Share of AUM in delta-one (spot) products (0-1). Sourced from Blockworks Research.",
        "is_timestamp": false
      },
      {
        "name": "Rolling 30d Flow (USD)",
        "slug": "rolling-30d-flow-usd",
        "description": "Rolling 30-day net flow in USD. Sourced from Blockworks Research.",
        "is_timestamp": false
      },
      {
        "name": "AUM 30d Change",
        "slug": "aum-30d-change-perc",
        "description": "AUM change versus 30 days ago as a ratio. Sourced from Blockworks Research.",
        "is_timestamp": false
      }
    ],
    "granularity": "1d"
  }
}

{
  "data": "<unknown>",
  "error": "<string>"
}

{
  "data": "<unknown>",
  "error": "<string>"
}

{
  "data": "<unknown>",
  "error": "<string>"
}

{
  "data": "<unknown>",
  "error": "<string>"
}