According to the official announcement, Binance Leverage will delist the following SAPI endpoints at 12:00 on March 31 (Eastern Eighth District time):
POST /sapi/v1/margin/transfer;
POST /sapi/v1/margin/isolated/transfer;
POST /sapi/v1/margin/loan;
POST /sapi/v1/margin/repay;
GET /sapi/v1/margin/isolated/transfer;
GET /sapi/v1/margin/asset;
GET /sapi/v1/margin/pair;
GET /sapi/v1/margin/isolated/pair;
GET /sapi/v1/margin/isolated/allPairs;
GET /v1/margin/loan;
GET /v1/margin/repay;
GET /sapi/v1/margin/dribblet;
GET /sapi/v1/margin/dust;
POST /sapi/v1/margin/dust.
In order to obtain the best experience, users are recommended to establish API connections with other available leveraged SAPI endpoints before 12:00 on March 31 (East Eighth District time).