curl --request POST \
  --url https://api.skip.build/v2/info/balances \
  --header 'Content-Type: application/json' \
  --data '
{
  "chains": {
    "137": {
      "address": "0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5",
      "denoms": [
        "polygon-native",
        "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359"
      ]
    },
    "osmosis-1": {
      "address": "osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc",
      "denoms": [
        "uosmo"
      ]
    }
  }
}
'

import requests

url = "https://api.skip.build/v2/info/balances"

payload = { "chains": {
        "137": {
            "address": "0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5",
            "denoms": ["polygon-native", "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359"]
        },
        "osmosis-1": {
            "address": "osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc",
            "denoms": ["uosmo"]
        }
    } }
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    chains: {
      '137': {
        address: '0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5',
        denoms: ['polygon-native', '0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359']
      },
      'osmosis-1': {address: 'osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc', denoms: ['uosmo']}
    }
  })
};

fetch('https://api.skip.build/v2/info/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.skip.build/v2/info/balances",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'chains' => [
        '137' => [
                'address' => '0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5',
                'denoms' => [
                                'polygon-native',
                                '0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359'
                ]
        ],
        'osmosis-1' => [
                'address' => 'osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc',
                'denoms' => [
                                'uosmo'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.skip.build/v2/info/balances"

	payload := strings.NewReader("{\n  \"chains\": {\n    \"137\": {\n      \"address\": \"0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5\",\n      \"denoms\": [\n        \"polygon-native\",\n        \"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359\"\n      ]\n    },\n    \"osmosis-1\": {\n      \"address\": \"osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc\",\n      \"denoms\": [\n        \"uosmo\"\n      ]\n    }\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.skip.build/v2/info/balances")
  .header("Content-Type", "application/json")
  .body("{\n  \"chains\": {\n    \"137\": {\n      \"address\": \"0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5\",\n      \"denoms\": [\n        \"polygon-native\",\n        \"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359\"\n      ]\n    },\n    \"osmosis-1\": {\n      \"address\": \"osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc\",\n      \"denoms\": [\n        \"uosmo\"\n      ]\n    }\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.skip.build/v2/info/balances")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"chains\": {\n    \"137\": {\n      \"address\": \"0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5\",\n      \"denoms\": [\n        \"polygon-native\",\n        \"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359\"\n      ]\n    },\n    \"osmosis-1\": {\n      \"address\": \"osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc\",\n      \"denoms\": [\n        \"uosmo\"\n      ]\n    }\n  }\n}"

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

{
  "chains": {
    "137": {
      "address": "0x24a9267cE9e0a8F4467B584FDDa12baf1Df772B5",
      "denoms": {
        "polygon-native": {
          "amount": "58477097336215771549",
          "decimals": 18,
          "formatted_amount": "58.477097336215771549",
          "price": "0.406894",
          "value_usd": "23.793980"
        },
        "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359": {
          "amount": "100000000",
          "decimals": 6,
          "formatted_amount": "100.000000",
          "price": "0.581495",
          "value_usd": "58.1495"
        }
      }
    },
    "osmosis-1": {
      "address": "osmo12xufazw43lanl8dkvf3l7y9zzm8n3zswftw2yc",
      "denoms": {
        "uosmo": {
          "amount": "100000000",
          "decimals": 6,
          "formatted_amount": "100.000000",
          "price": "0.581495",
          "value_usd": "58.1495"
        }
      }
    }
  }
}