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

import requests

url = "https://api.messari.io/metrics/v2/protocols/etfs/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/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/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/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/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/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": [
    {
      "provider": {
        "id": "21shares",
        "slug": "21shares",
        "name": "21Shares"
      },
      "points": [
        [
          1779926400,
          5491070284,
          -12857858,
          73,
          0.009332801646798224,
          0.6306379701768173,
          0.997662783877053,
          -211637056,
          0.1819180546015759
        ],
        [
          1780012800,
          5506995524,
          3472147,
          73,
          0.009353502862189724,
          0.6287018236915495,
          0.9971358727401791,
          -250988687,
          0.185345861514685
        ],
        [
          1780272000,
          5417290721,
          2771058,
          73,
          0.009414303984406748,
          0.6218617830386881,
          0.9967329680256235,
          -212646014.00000003,
          0.1660374715712688
        ],
        [
          1780358400,
          5157471208,
          -10209643,
          73,
          0.00958178253339461,
          0.612891285189701,
          0.9969369364630682,
          -222855657,
          0.1101129691573621
        ],
        [
          1780444800,
          5027090390.000001,
          -25002386,
          73,
          0.009566590484361672,
          0.6130858967904892,
          0.9972746575181434,
          -338050858,
          0.0820493249499768
        ]
      ]
    },
    {
      "provider": {
        "id": "3iq",
        "slug": "3iq",
        "name": "3iQ"
      },
      "points": [
        [
          1779926400,
          373371547,
          -196560,
          4,
          0.010337842760417949,
          0.45736786954470315,
          1,
          -176699,
          0.10909221637156744
        ],
        [
          1780012800,
          372640482,
          148564,
          4,
          0.010350164030756058,
          0.4583574202225297,
          1,
          135945,
          0.10692060338263853
        ],
        [
          1780272000,
          366230108,
          654594,
          4,
          0.01031106170741156,
          0.4538086912286305,
          1,
          803290,
          0.08787872414851823
        ],
        [
          1780358400,
          343595392,
          -338296,
          4,
          0.010334192010933605,
          0.45361944202092214,
          1,
          464994,
          0.020642783067606193
        ],
        [
          1780444800,
          334761249.00000006,
          0,
          4,
          0.01034556726247607,
          0.456467352348778,
          1,
          464994,
          -0.005598850282171709
        ]
      ]
    },
    {
      "provider": {
        "id": "amina-bank",
        "slug": "amina-bank",
        "name": "AMINA Bank"
      },
      "points": [
        [
          1779926400,
          55753590,
          0,
          5,
          0.009884328928415193,
          0.7041589250127211,
          1,
          -3866196,
          0.2422877005193409
        ],
        [
          1780012800,
          53149864,
          0,
          5,
          0.009939446223230222,
          0.6987467362098989,
          1,
          -3866196,
          0.1842721218754827
        ],
        [
          1780272000,
          52039936,
          0,
          5,
          0.009937248865947875,
          0.6973355040252164,
          1,
          -3855600,
          0.1595409807442654
        ],
        [
          1780358400,
          50435994,
          0,
          5,
          0.009948766400836672,
          0.6911840579567046,
          1,
          -3855600,
          0.1238023418701338
        ],
        [
          1780444800,
          48782519,
          0,
          5,
          0.009950856525059722,
          0.6922561133015702,
          1,
          -3855600,
          0.0869600209430649
        ]
      ]
    },
    {
      "provider": {
        "id": "alphabit-investments",
        "slug": "alphabit-investments",
        "name": "AlphaBit Investments"
      },
      "points": [
        [
          1779926400,
          9762075,
          0,
          1,
          0.0104,
          0,
          1,
          0,
          0.0870066292196762
        ],
        [
          1780012800,
          9714015,
          0,
          1,
          0.0104,
          0,
          1,
          0,
          0.0816551502973879
        ],
        [
          1780272000,
          9791370,
          0,
          1,
          0.0104,
          0,
          1,
          0,
          0.0902686262032059
        ],
        [
          1780358400,
          9677205,
          0,
          1,
          0.0104,
          0,
          1,
          0,
          0.0775563583887439
        ],
        [
          1780444800,
          9591030,
          0,
          1,
          0.0104,
          0,
          1,
          0,
          0.0679607758642288
        ]
      ]
    },
    {
      "provider": {
        "id": "amplify-etfs",
        "slug": "amplify-etfs",
        "name": "Amplify ETFs"
      },
      "points": [
        [
          1779926400,
          47199126.00000001,
          0,
          6,
          0.006923609623618878,
          0.576390376381122,
          0,
          5549098,
          0.156692144263159
        ],
        [
          1780012800,
          47797622,
          492150,
          6,
          0.006929741797614953,
          0.5702582023850475,
          0,
          6041248,
          0.1713592722428789
        ],
        [
          1780272000,
          46748428,
          0,
          6,
          0.006935531500652813,
          0.5644684993471866,
          0,
          5625970,
          0.14564704914773
        ],
        [
          1780358400,
          44707842,
          838653,
          6,
          0.006927521641505309,
          0.572478358494691,
          0,
          6464623,
          0.0956391359526132
        ],
        [
          1780444800,
          43498305,
          174080,
          6,
          0.0069277007345458635,
          0.5722992654541367,
          0,
          6638703,
          0.0659974441531585
        ]
      ]
    }
  ],
  "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>"
}