Frankfurter API

Open-source foreign exchange rates published by the European Central Bank.

Quick Facts

Overview

Frankfurter API is a other apis provided by Frankfurter. Open-source foreign exchange rates published by the European Central Bank. This API is designed to help developers integrate other capabilities into their applications with minimal setup and maximum reliability.

The API supports None authentication, ensuring secure access to all endpoints. With a free pricing model, Frankfurter offers flexible options for projects of any size, from prototypes to enterprise deployments.

Frankfurter maintains comprehensive documentation, SDKs for popular programming languages, and active community support. The API is built on REST principles, returning JSON responses with standard HTTP status codes, making it straightforward to integrate into existing workflows.

Authentication

This API uses None authentication. No authentication required, but rate limits may apply.

Always store your credentials securely using environment variables or a secrets manager. Never commit API keys to version control or expose them in client-side code.

Code Samples

Python

import requests
import os

API_KEY = os.environ.get("API_KEY", "YOUR_API_KEY")
BASE_URL = "https://api.frankfurter.app"

headers = {
    "Authorization": f"Bearer {API_KEY}",
    "Content-Type": "application/json"
}

response = requests.get(f"{BASE_URL}/v1/resources", headers=headers)
print(response.status_code)
print(response.json())

JavaScript

const API_KEY = process.env.API_KEY || 'YOUR_API_KEY';
const BASE_URL = 'https://api.frankfurter.app';

const response = await fetch(`${BASE_URL}/v1/resources`, {
  headers: {
    'Authorization': `Bearer ${API_KEY}`,
    'Content-Type': 'application/json'
  }
});
const data = await response.json();
console.log(data);

cURL

curl -H "Authorization: Bearer $API_KEY" \
     -H "Content-Type: application/json" \
     https://api.frankfurter.app/v1/resources

Go

package main

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

func main() {
    apiKey := os.Getenv("API_KEY")
    if apiKey == "" {
        apiKey = "YOUR_API_KEY"
    }
    req, _ := http.NewRequest("GET", "https://api.frankfurter.app/v1/resources", nil)
    req.Header.Set("Authorization", "Bearer " + apiKey)
    req.Header.Set("Content-Type", "application/json")
    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()
    body, _ := io.ReadAll(resp.Body)
    fmt.Println(string(body))
}

Pricing

The pricing model is free. Completely free to use, often supported by open-source community or sponsor. Visit the provider’s pricing page at https://frankfurter.app for current rates and detailed pricing information.

Use Cases

• Integration: Connect Frankfurter services to your application for seamless other functionality.
• Automation: Automate other workflows and reduce manual operations.
• Scaling: Handle growing other demands with Frankfurter’s robust infrastructure.

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• News API
• Weather API
• Alpha Vantage API
• Polygon API
• Fixer API

Further Reading

• Integration Guide
• FAQ
• Glossary