M
API Matrix
Beginner 1-2 hours · 2 APIs

Build a Travel Budget Converter

Calculate how much your travel budget is worth in your destination's currency, auto-detecting your home currency from your IP location.

APIs Used

E

ExchangeRate.host

Convert between currencies with live rates

Currency Exchange
I

IP Geolocation API

Detect user's home country and currency

Geocoding

Data Flow

API Detect home currency from IP via IP Geolocation USER User enters budget and destination API Fetch live exchange rate via ExchangeRate.host PROCESS Calculate converted budget and daily breakdown OUTPUT Display budget summary
User Action
API Call
Transform
Output

How It Works

1

Detect user's home country and currency using IP geolocation

2

Let user enter their budget amount and destination country

3

Fetch the current exchange rate from ExchangeRate.host

4

Display the converted budget with daily spending breakdown

Code Outline

Pseudocode / JavaScript 
// 1. Detect home currency from IP
const geo = await fetch('https://api.ipgeolocation.io/ipgeo?apiKey=YOUR_API_KEY');
const { currency: { code: homeCurrency } } = await geo.json();

// 2. User inputs
const budget = 2000;
const destCurrency = 'EUR';

// 3. Get exchange rate
const rateRes = await fetch(
  `https://api.exchangerate.host/convert?from=${homeCurrency}&to=${destCurrency}&amount=${budget}&access_key=YOUR_API_KEY`
);
const { result } = await rateRes.json();

// 4. Calculate daily budget (7-day trip)
const tripDays = 7;
const dailyBudget = result / tripDays;
console.log(`Budget: ${result.toFixed(2)} ${destCurrency}`);
console.log(`Daily: ${dailyBudget.toFixed(2)} ${destCurrency}`);

Recipe Details

Difficulty Beginner
Time 1-2 hours
APIs Used 2

Note: These recipes are AI-generated suggestions based on API capabilities. Actual implementation may vary. Always refer to official API documentation for the latest specifications.