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[Source] .NET/C# Use the Alibaba Cloud API to query the history of foreign exchange prices (USD exchange rate)

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Requirements: Query the historical US dollar exchange rate, do some data analysis and statistics.

A simple query can be made on the Bank of China page at the address:The hyperlink login is visible., as shown in the figure below:



If you want to query in batches and export data, you can call the API API of Alibaba Cloud Marketplace at the following address:The hyperlink login is visible.

It supports a free trial with 100 calls, which is also sufficient.

The C# source code is as follows:
Calling Code:
As shown below:



(End)




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