Unable to make a MARKET order on Spot Test Network. Empty JSON is returned.

I’m trying to test MARKET order with Spot Test Network in Postman. But I receive empty JSON as response.
Why? Do MARKET orders work on Spot Test Network as of July 2020? Was my order executed? How can I check on Spot Test Network if a MARKET order was executed?

My order params:

symbol: BTCUSDT
side: BUY
type: MARKET
quantity: 0.1
timestamp: {{timestamp}}
signature: {{signature}}

But the response is just an empty JOSN:


What do I do wrong?
How to fix?

cURL code for your convenience. Just replace {TIMESTAMP}, (SIGNATURE} and {YOUR_API_KEY} with your real ones:

curl --location --request POST 'https://testnet.binance.vision/api/v3/order/test?symbol=BTCUSDT&side=BUY&type=MARKET&quantity=0.1&timestamp={TIMESTAMP}&signature={SIGNATURE}' \
--header 'Content-Type: application/json' \

POST https://testnet.binance.vision/api/v3/order/test
POST https://testnet.binance.vision/api/v3/order

The endpoint from your experience is for testing, which means the backend will check all parameters and return empty json if it passed all validations, otherwise 400 will be returned together with error messages.

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