curl --request GET \
  --url https://api.messari.io/metrics/v2/protocols/lending/metrics \
  --header 'X-Messari-API-Key: <api-key>'

import requests

url = "https://api.messari.io/metrics/v2/protocols/lending/metrics"

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/lending/metrics', 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/lending/metrics",
  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/lending/metrics"

	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/lending/metrics")
  .header("X-Messari-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.messari.io/metrics/v2/protocols/lending/metrics")

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": {
    "datasets": [
      {
        "slug": "lending",
        "granularities": [
          "1d",
          "1w"
        ],
        "metrics": [
          {
            "name": "Timestamp",
            "slug": "time",
            "description": "Timestamp of the data point.",
            "is_timestamp": true
          },
          {
            "name": "TVL 24 Hour USD",
            "slug": "tvl24HourUsd",
            "description": "Total Value Locked in USD.",
            "is_timestamp": false
          },
          {
            "name": "Active Addresses 24 Hour",
            "slug": "activeAddresses24Hour",
            "description": "Number of unique addresses interacting with the protocol.",
            "is_timestamp": false
          },
          {
            "name": "Fees 24 Hour USD",
            "slug": "fees24HourUsd",
            "description": "Total fees generated by the protocol in USD.",
            "is_timestamp": false
          },
          {
            "name": "Fees Supply Side 24 Hour USD",
            "slug": "feesSupplySide24HourUsd",
            "description": "Fees paid to liquidity providers in USD.",
            "is_timestamp": false
          },
          {
            "name": "Token Incentives 24 Hour USD",
            "slug": "tokenIncentives24HourUsd",
            "description": "Value of token incentives distributed by the protocol.",
            "is_timestamp": false
          },
          {
            "name": "Expenses 24 Hour USD",
            "slug": "expenses24HourUsd",
            "description": "Total expenses incurred by the protocol in USD.",
            "is_timestamp": false
          },
          {
            "name": "Net Deposits 24 Hour USD",
            "slug": "netDeposits24HourUsd",
            "description": "Net value of deposits into the protocol in USD.",
            "is_timestamp": false
          },
          {
            "name": "Treasury USD",
            "slug": "treasuryUsd",
            "description": "Value of assets held in the protocol treasury in USD.",
            "is_timestamp": false
          },
          {
            "name": "Borrowed USD",
            "slug": "borrowedUsd",
            "description": "Total value of assets borrowed from the protocol in USD.",
            "is_timestamp": false
          },
          {
            "name": "Deposits USD",
            "slug": "depositsUsd",
            "description": "Value deposited with the lending protocol in USD. This is a balance, unlike Net Deposits USD, which is a daily flow. Sourced from Blockworks.",
            "is_timestamp": false
          },
          {
            "name": "Interest 24 Hour USD",
            "slug": "interest24HourUsd",
            "description": "Interest paid by borrowers in USD. Sourced from Blockworks.",
            "is_timestamp": false
          },
          {
            "name": "Net Interest Income 24 Hour USD",
            "slug": "netInterestIncome24HourUsd",
            "description": "Interest earned less the interest paid out to depositors, in USD. Sourced from Blockworks.",
            "is_timestamp": false
          },
          {
            "name": "Flash Loan Fees 24 Hour USD",
            "slug": "flashLoanFees24HourUsd",
            "description": "Fees earned on flash loans in USD. This is a fee, unlike Flash Loan Volume USD. Sourced from Blockworks.",
            "is_timestamp": false
          },
          {
            "name": "Liquidation Fees 24 Hour USD",
            "slug": "liquidationFees24HourUsd",
            "description": "Fees earned on liquidations in USD. Sourced from Blockworks.",
            "is_timestamp": false
          },
          {
            "name": "Royalties 24 Hour USD",
            "slug": "royalties24HourUsd",
            "description": "Royalties paid to the protocol in USD. Sourced from Blockworks.",
            "is_timestamp": false
          },
          {
            "name": "Revenue USD",
            "slug": "revenueUsd",
            "description": "Daily lending revenue in USD, net interest income plus flash loan, liquidation and royalty fees. Distinct from Revenue USD, which is total protocol revenue from a different source. Sourced from Blockworks Research.",
            "is_timestamp": false
          }
        ]
      },
      {
        "slug": "lending-instances",
        "granularities": [
          "1d"
        ],
        "metrics": [
          {
            "name": "Timestamp",
            "slug": "time",
            "description": "Timestamp of the data point.",
            "is_timestamp": true
          },
          {
            "name": "Deposits (USD)",
            "slug": "depositsUsd",
            "description": "Total deposits (supply and collateral) in USD across the product's markets. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Borrowed (USD)",
            "slug": "borrowedUsd",
            "description": "Total outstanding borrows in USD across the product's markets. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "TVL (USD)",
            "slug": "tvl24HourUsd",
            "description": "TVL in USD, deposits minus borrows. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Interest (USD)",
            "slug": "interest24HourUsd",
            "description": "Daily interest paid by borrowers in USD. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Net Interest Income (USD)",
            "slug": "netInterestIncome24HourUsd",
            "description": "Daily net interest income in USD, the interest kept by the protocol. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Flash Loan Fees (USD)",
            "slug": "flashLoanFees24HourUsd",
            "description": "Daily flash loan fees in USD. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Liquidation Fees (USD)",
            "slug": "liquidationFees24HourUsd",
            "description": "Daily liquidation fees in USD. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Royalties (USD)",
            "slug": "royalties24HourUsd",
            "description": "Daily royalty fees in USD. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Fees (USD)",
            "slug": "fees24HourUsd",
            "description": "Daily total fees in USD, interest plus flash loan, liquidation and royalty fees. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Revenue (USD)",
            "slug": "revenueUsd",
            "description": "Daily revenue in USD, net interest income plus flash loan, liquidation and royalty fees. Sourced from Blockworks Research.",
            "is_timestamp": false
          }
        ]
      },
      {
        "slug": "lending-markets",
        "granularities": [
          "1d"
        ],
        "metrics": [
          {
            "name": "Timestamp",
            "slug": "time",
            "description": "Timestamp of the data point.",
            "is_timestamp": true
          },
          {
            "name": "Deposits (USD)",
            "slug": "depositsUsd",
            "description": "Total deposits (supply and collateral) in USD across the market's tokens. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "Borrowed (USD)",
            "slug": "borrowedUsd",
            "description": "Total outstanding borrows in USD across the market's tokens. Sourced from Blockworks Research.",
            "is_timestamp": false
          },
          {
            "name": "TVL (USD)",
            "slug": "tvl24HourUsd",
            "description": "TVL in USD, deposits minus borrows. Sourced from Blockworks Research.",
            "is_timestamp": false
          }
        ]
      }
    ]
  }
}

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

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

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