The service is free. Maxmind-DB is used for geographic location determination. The European Central Bank and the Central Bank of the Republic of Turkey used to exchange rates.
Written using Swoole Http Server. It achieves an average "35k/sec" request on a 4-core machine.
- Maxmind Reader
Swool Scheduler is made with continuous update. The update is checked every 24 hours. The database is downloaded 2 times in one month.