Pierwsze kroki

# Using Authorization header (recommended)
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.finexly.com/v1/rate?from=USD&to=EUR"

# Using query parameter
curl "https://api.finexly.com/v1/rate?from=USD&to=EUR&api_key=YOUR_API_KEY"

# Get multiple rates
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.finexly.com/v1/convert?q=USD_EUR,USD_GBP"

# Convert amount
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.finexly.com/v1/convert-amount?from=USD&to=EUR&amount=100"

<?php
$apiKey = 'YOUR_API_KEY';

// Using cURL
$ch = curl_init();
curl_setopt_array($ch, [
    CURLOPT_URL => 'https://api.finexly.com/v1/rate?from=USD&to=EUR',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . $apiKey,
    ],
]);

$response = curl_exec($ch);
curl_close($ch);

$data = json_decode($response, true);
echo "USD/EUR Rate: " . $data['rate'];

const apiKey = 'YOUR_API_KEY';

// Get single rate
const response = await fetch('https://api.finexly.com/v1/rate?from=USD&to=EUR', {
  headers: {
    'Authorization': `Bearer ${apiKey}`
  }
});

const data = await response.json();
console.log(`USD/EUR Rate: ${data.rate}`);

// Convert amount
const convertResponse = await fetch(
  'https://api.finexly.com/v1/convert-amount?from=USD&to=EUR&amount=100',
  { headers: { 'Authorization': `Bearer ${apiKey}` } }
);
const result = await convertResponse.json();
console.log(`100 USD = ${result.result} EUR`);

import requests

api_key = 'YOUR_API_KEY'
headers = {'Authorization': f'Bearer {api_key}'}

# Get single rate
response = requests.get(
    'https://api.finexly.com/v1/rate',
    params={'from': 'USD', 'to': 'EUR'},
    headers=headers
)
data = response.json()
print(f"USD/EUR Rate: {data['rate']}")

# Convert amount
response = requests.get(
    'https://api.finexly.com/v1/convert-amount',
    params={'from': 'USD', 'to': 'EUR', 'amount': 100},
    headers=headers
)
result = response.json()
print(f"100 USD = {result['result']} EUR")