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Solve Native API $key0$ parameter format error?

I receive the error: $key0$ parameter format error

When using the WeChat native pay api to generate a QR code.

and I do not know how to fix this. The body of the request I send is as follows:

I am also passing in my merchant serial number, merchant key as well as my apiV3 key.

Any help would be greatly appreciated. Thank you in advance.

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2 个回答

  • 随简
    随简
    2023-03-09

    Look at the picture I sent. Do you have a body field parameter? You can delete it and try again


    2023-03-09
    有用
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  • 拔刀能留住落樱么
    拔刀能留住落樱么
    2023-03-09

    返回的报错是什么?

    2023-03-09
    有用
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