Currency Converter API — CUB SOFTWARE Developer

Base URL

Base https://cubsoftware.site

Authentication

No API key required — this endpoint is publicly accessible.

Please include a descriptive User-Agent header identifying your app.

Currency Converter

GET /api/currency/convert Money

Convert an amount between any two of them.

Parameter	Type	Required	Description
from	string	optional	Currency to convert from. Default EUR.
to	string	optional	Currency to convert to. Default USD.
amount	number	optional	How much to convert. Default 1.

Example Response

{
  "amount": 100.0,
  "date": "2026-08-14",
  "from": "GBP",
  "rate": 1.35365711,
  "result": 135.3657,
  "source": "European Central Bank",
  "stale": false,
  "to": "USD"
}

curl 'https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100'
const res  = await fetch('https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100');
const data = await res.json();
console.log(data.result, data.rate);
const https = require('https');

https.get('https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100', (res) => {
    let body = '';
    res.on('data', chunk => body += chunk);
    res.on('end', () => {
        const data = JSON.parse(body);
        console.log(data.result, data.rate);
    });
});
import requests

res  = requests.get('https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100')
data = res.json()
print(data['result'], data['rate'])
<?php
$res  = file_get_contents('https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100');
$data = json_decode($res, true);
echo $data['result'], $data['rate'];
package main

import (
    "encoding/json"
    "fmt"
    "io"
    "net/http"
)

func main() {
    resp, _ := http.Get("https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100")
    defer resp.Body.Close()
    body, _ := io.ReadAll(resp.Body)
    var data map[string]any
    json.Unmarshal(body, &data)
    fmt.Println(data["result"], data["rate"])
}
using System.Net.Http.Json;

var client = new HttpClient();
var data   = await client.GetFromJsonAsync<Dictionary<string, object>>(
    "https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100"
);
Console.WriteLine(data["result"]);
Console.WriteLine(data["rate"]);
import java.net.URI;
import java.net.http.*;
import java.util.Map;
import com.fasterxml.jackson.databind.ObjectMapper;

var client = HttpClient.newHttpClient();
var req    = HttpRequest.newBuilder()
    .uri(URI.create("https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100"))
    .build();
var res  = client.send(req, HttpResponse.BodyHandlers.ofString());
var data = new ObjectMapper().readValue(res.body(), Map.class);
System.out.println(data.get("result"));
System.out.println(data.get("rate"));
require 'net/http'
require 'json'

uri  = URI('https://cubsoftware.site/api/currency/convert?from=GBP&to=USD&amount=100')
data = JSON.parse(Net::HTTP.get(uri))
puts data['result'], data['rate']

Try It

Live request

Edit the path and send it. This runs against the real endpoint.

Press Send to run the request.

Rate Limits

10 requests per second per IP, across every endpoint.

Going over returns 429 — back off and retry.

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