XE Currency Data API - FAQ

Are your "mid-market" currency rates buy or sell rates?


The rates provided in the Currency Data API are neither "buy" rates nor "sell" rates (bid/ask); they are "mid-market" rates. Mid-market rates are derived from the mid-point between the buy and sell rates of large-value transactions in the global currency markets.

Since "buy rates" and "sell rates" include overheads and profit margins that are set independently by each foreign exchange provider, their rates can vary a lot and will always be different than the mid-market rate. We do not currently provide buy or sell rates. As per section 2.1 of our agreement our rates are not suitable for use by professional traders.

 Go to XE Currency Data FAQ

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