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I want to monitor the bitfinex USDT_USD exchange rate, but it returns an error, as shown below.

Author: swordhnj, Created: 2019-01-05 22:19:33, Updated:

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ChaoZhang https://api.bitfinex.com/v1/symbols

swordhnjUSDT_USD set, but not available

Inventors quantify - small dreamsThe trading pair is set incorrectly, the exchange reports an error, the trading pair is unknown.

swordhnjThis is embarrassing.

swordhnjUSDT_USD set, but not available