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

import requests

url = "https://astreus.ai/api/v1/crypto/{id}"

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/crypto/{id}', 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/crypto/{id}",
  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/crypto/{id}"

	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/crypto/{id}")
  .header("X-API-KEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://astreus.ai/api/v1/crypto/{id}")

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

{
  "coin": {
    "id": "bitcoin",
    "symbol": "BTC",
    "name": "Bitcoin",
    "kind": "coin",
    "imageUrl": "https://coin-images.coingecko.com/coins/images/1/large/bitcoin.png?1696501400",
    "rank": 1,
    "lastDate": "2026-11-01",
    "last": 77474.07610954811,
    "returns": {
      "d1": 0.0032490906545998843,
      "w1": -0.041287850368802004,
      "m1": -0.07301197309288254,
      "m3": 0.23326917984773687,
      "m6": 0.015430262859876587,
      "y1": -0.29290430268514545,
      "y2": null,
      "y5": null,
      "y10": null
    },
    "marketCap": 1558254552295,
    "volume24h": 43303303462,
    "spark": [
      110066.94174051796,
      102286.82524827348
    ],
    "stale": false,
    "categories": [
      "Smart Contract Platform",
      "Layer 1 (L1)"
    ],
    "description": "Bitcoin is the world's first decentralized cryptocurrency, created in 2009 by the pseudonymous Satoshi Nakamoto. It enables peer-to-peer electronic cash transactions without intermediaries like banks …",
    "homepage": "http://www.bitcoin.org",
    "genesisDate": "2009-01-03",
    "hashingAlgorithm": "SHA-256",
    "fullyDiluted": 1558254552295,
    "circulatingSupply": 20105365,
    "totalSupply": 20105365,
    "maxSupply": 21000000,
    "ath": 126080,
    "athDate": "2025-10-06",
    "atl": 67.81,
    "atlDate": "2013-07-05",
    "low52w": 58566.091991843154,
    "high52w": 110499.52238345638,
    "priceRows": 370,
    "firstDate": "2025-10-28"
  },
  "source": {
    "name": "CoinGecko",
    "url": "https://www.coingecko.com",
    "attribution": "Data provided by CoinGecko"
  }
}

{
  "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>"
  ]
}