exchange rate api - SERP Analysis

https://www.exchangerate-api.com/

https://exchangeratesapi.io/

https://developer.visa.com/capabilities/foreign_exchange/reference

https://www.postman.com/api-evangelist/exchange-rate-api/documentation/df2h3su/exchangerate-api

https://medium.com/%40adeltoft/best-free-exchange-rate-apis-3f35650af0e2

https://www.oanda.com/currency-converter/en/

https://openexchangerates.org/

https://apilayer.com/marketplace/exchangerates_data-api

https://api-community.fiscal.treasury.gov/s/communityapi/a015f00000PQCx3AAH/enterprise-apistreasuryreportingratesofexchange

https://exchangerate.host/