Finance & Stock MarketFreeAPI Gateway (Edge Cache)Featured

Frankfurter

Open-source currency exchange rate API tracking the European Central Bank

Best for:Forex calculators, fintech SaaS prototypes, stock monitoring, and payment conversions.
Verified: March 2026 • 200 OK
Official Documentation
Rate Limit
Unlimited
Auth
Gateway (Zero-Setup)
Security & CORS
HTTPS • CORS Enabled
Payload Format
JSON / REST

FreeAPI Smart Gateway Supported (Recommended)

Zero account setup or API key registration needed. Call directly through FreeAPI Smart Edge Gateway with in-memory cache, automatic CORS support, and normalized JSON output.

Public REST

Live Test Console & 3D Assistant

Launch our 3D companion to execute real-time REST JSON queries against this endpoint with zero CORS friction.

Quickstart Code Snippets

Copy-paste ready boilerplate for your tech stack.

Bypass browser CORS restrictions. Protected by in-memory RAM cache and automated circuit breaker.
Get Free API Key →
// Call via FreeAPI Smart Edge Gateway (In-Memory Cache + CORS Guard)
// Endpoint: https://findfreeapi.com/api/v1/gateway/frankfurter

async function callFrankfurter() {
  try {
    const response = await fetch("https://findfreeapi.com/api/v1/gateway/frankfurter", {
      headers: {
        "Accept": "application/json",
        // "x-freeapi-key": "fapi_live_your_api_key" // FreeAPI Gateway Key
      }
    });

    if (!response.ok) {
      throw new Error(`Gateway HTTP error! status: ${response.status}`);
    }

    const data = await response.json();
    console.log("FreeAPI Live Data:", data);
  } catch (error) {
    console.error("FreeAPI Gateway Error:", error);
  }
}

callFrankfurter();

Share with Devs & GitHub Badge

Share this public endpoint with your team or embed verified status badge in your README.md.

GitHub README.md Badge (Live SVG):
[![Frankfurter - Free Public API](https://findfreeapi.com/api/badge/frankfurter?style=flat)](https://findfreeapi.com/?utm_source=github_badge&utm_medium=readme&utm_campaign=badge_backlink)

Key Advantages (Pros)

  • Zero-Auth: No API key or registration required to start querying.
  • Unlimited or generous quota suitable for high-throughput testing.
  • HTTPS & CORS Enabled: Can be queried directly from client browsers or server backends.

Considerations & Limits (Cons)

  • Third-party SLA: Service uptime depends on the upstream provider.

Frequently Asked Questions (FAQ)

Technical and integration answers for Frankfurter.

Yes, Frankfurter is listed as a free endpoint on FreeAPI Directory with an allowance of: Unlimited.

GitHub README Verified Badge

Embed this live verified badge in your project or repository.

Preview:Frankfurter FreeAPI Verified Badge
[![Frankfurter - Free Public API](https://findfreeapi.com/api/badge/frankfurter?style=flat)](https://findfreeapi.com/?utm_source=github_badge&utm_medium=readme&utm_campaign=badge_backlink)
Official Service Provider Ownership: Frankfurter

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