postman测试JSON参数接口

1、接口链接如下：https://ddd.com/api/contract/core/order/open 2、参数如下： { “assureAsset”: “EXT”, “assureQuantity”: 0, “baseAsset”: “BTC”, “buyQuantity”: 0.005, “buySide”: “long”, “multiple”: 50.0, “openPrice”: 0

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