CUEX

XE Currency

xe.com

Free Currency API

freecurrencyapi.com

CalcKit

calckit.io

SIFR

sifr.com

Currencyapi

currencyapi.com

Coincasso

coincasso.com

bitFlyer

bitflyer.com

Airtm

airtm.com

KuCoin Futures

kucoin.com

Surf Accounts

surfaccounts.com

KoinBX

koinbx.com

Rokes

rokes.exchange