When you paste bitcoin address in Coinbase web UI, it recognizes when the recipient has the "instant send" feature turned on and suggests sending the transaction off chain. Is there such a feature in the API?
Right now if you send to an address of Coinbase user with "instant send" feature on, the API always sends it through the blockchain. Coinbase API docs don't have anything like off_blockchain param for send transactions. Is there a way to do this via API? Or perhaps an endpoint to get a user's email using the BTC address and then sending via that email?
off_blockchain
send
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