curl --request GET \
  --url https://api.amberdata.com/blockchains/addresses/balances \
  --header 'x-api-key: <api-key>'

import requests

url = "https://api.amberdata.com/blockchains/addresses/balances"

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.amberdata.com/blockchains/addresses/balances', 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.amberdata.com/blockchains/addresses/balances",
  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.amberdata.com/blockchains/addresses/balances"

	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.amberdata.com/blockchains/addresses/balances")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.amberdata.com/blockchains/addresses/balances")

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

{
  "status": 200,
  "title": "OK",
  "description": "Successful request",
  "payload": {
    "0x3f7bb687ab9f04b055f4d326977f17471270499c": {
      "balance": "492231474000",
      "balanceIn": "3182796362466409764",
      "balanceOut": "3182795870234935764",
      "price": {
        "balance": {
          "currency": "usd",
          "quote": "3045.10978468",
          "total": "0.00149890"
        }
      },
      "tokens": [
        {
          "decimals": 18,
          "name": "Sign",
          "symbol": "SIGN",
          "amount": "21000000000000000000",
          "timestamp": "2025-06-17T13:39:11.000Z",
          "address": "0x868fced65edbf0056c4163515dd840e9f287a4c3"
        },
        {
          "decimals": 0,
          "name": "Seeing Signs",
          "symbol": "$IGN",
          "amount": "0",
          "timestamp": "2025-12-04T20:03:35.000Z",
          "address": "0xbc37ee54f066e79c23389c55925f877f79f3cb84"
        },
        {
          "decimals": 18,
          "name": "Wrapped Ether",
          "symbol": "WETH",
          "amount": "0",
          "timestamp": "2025-12-04T20:12:23.000Z",
          "address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"
        }
      ]
    },
    "0x3b0684dcfb5c0d50e75d512b4562b440c96a1b8d": {
      "balance": "197722156918921153",
      "balanceIn": "200000003000000006",
      "balanceOut": "2277846081078853",
      "tokens": [
        {
          "decimals": 18,
          "name": "Gemini3",
          "symbol": "Gemini3",
          "amount": "10000000000000000000",
          "timestamp": "2025-11-27T10:10:59.000Z",
          "address": "0xa62c5ef5dc67b6b38b3d14c79efca2c27eca8518"
        },
        {
          "decimals": 18,
          "name": "ePEPE",
          "symbol": "ePEPE",
          "amount": "20000000000000000000",
          "timestamp": "2025-11-27T10:10:59.000Z",
          "address": "0xdc5cb57711ac6ea18bc9e07404a3fa2a9b4913e9"
        },
        {
          "decimals": 18,
          "name": "SPX",
          "symbol": "SPX",
          "amount": "10000000000000000000",
          "timestamp": "2025-11-27T09:08:23.000Z",
          "address": "0xdd0d0781fd0045ccb8c4f56ab4229a37f8e86e42"
        }
      ]
    }
  }
}

"Unauthorized"

"Unknown address or address is not a contract"