<details><summary>Free and simple foreign exchange rates</summary>Open-source exchange rate API powered by the European Central Bank. Ideal for quick currency conversion tools.</details>
Visit API Website →| Name | Frankfurter API |
| URL | https://www.frankfurter.app/docs |
| Category | Finance & Banking |
| Source | keploy-public-apis-collection |
| Added | May 30, 2026 |
<details><summary>Real-time and historical currency exchange rates</summary>Access accurate currency data for e-commerce, financial apps, and international business applications.</details>
](https://api.apis.guru/v2/specs/openbanking.org.uk/2.0.0/swagger.json)
<details><summary>Bank and card BIN lookup</summary>Get bank details, country, and card type from card BINs — useful for fraud detection and …