Approximate fee
You can get approximate fee for withdrawal crypto
get
https://b2b.test.daowallet.com
/api/v2/approximate-fee
curl https://b2b.test.daowallet.com/api/v2/approximate-fee?currency=BTC\&amount=0.01\&address=185wFcTa9z3MJShmYEZRRpkAGxvNxi9nK8