curl --request POST \
  --url https://api.nexroute.io/v1/quote \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "tokenIn": "0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c",
  "tokenOut": "0x55d398326f99059fF775485246999027B3197955",
  "amountIn": "1000000000000000000"
}
'

import requests

url = "https://api.nexroute.io/v1/quote"

payload = {
    "tokenIn": "0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c",
    "tokenOut": "0x55d398326f99059fF775485246999027B3197955",
    "amountIn": "1000000000000000000"
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    tokenIn: '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c',
    tokenOut: '0x55d398326f99059fF775485246999027B3197955',
    amountIn: '1000000000000000000'
  })
};

fetch('https://api.nexroute.io/v1/quote', 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.nexroute.io/v1/quote",
  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([
    'tokenIn' => '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c',
    'tokenOut' => '0x55d398326f99059fF775485246999027B3197955',
    'amountIn' => '1000000000000000000'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.nexroute.io/v1/quote"

	payload := strings.NewReader("{\n  \"tokenIn\": \"0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c\",\n  \"tokenOut\": \"0x55d398326f99059fF775485246999027B3197955\",\n  \"amountIn\": \"1000000000000000000\"\n}")

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

	req.Header.Add("X-API-Key", "<api-key>")
	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.nexroute.io/v1/quote")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"tokenIn\": \"0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c\",\n  \"tokenOut\": \"0x55d398326f99059fF775485246999027B3197955\",\n  \"amountIn\": \"1000000000000000000\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.nexroute.io/v1/quote")

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

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"tokenIn\": \"0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c\",\n  \"tokenOut\": \"0x55d398326f99059fF775485246999027B3197955\",\n  \"amountIn\": \"1000000000000000000\"\n}"

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

{
  "amountOut": "8643194859422640072",
  "gas": 237995,
  "calldata": "0x8f01f039...",
  "router": "0x365193e7e200CC2Ce82eb67DB0Fed117F8C7c660",
  "spender": "0x365193e7e200CC2Ce82eb67DB0Fed117F8C7c660"
}

{
  "code": "VALIDATION_ERROR",
  "message": "Invalid request data",
  "details": "<array>"
}

{
  "code": "UNAUTHORIZED",
  "message": "Invalid API key."
}

{
  "code": "QUOTE_ERROR",
  "message": "No quote available",
  "details": "<unknown>"
}

{
  "code": "RATE_LIMIT_EXCEEDED",
  "message": "Too many requests, please try again later."
}

{
  "code": "UPSTREAM_ERROR",
  "message": "Upstream error: HTTP 500 Internal Server Error"
}