Feature Requests

Send bitcoin from an on-chain wallet to 21bitcoin

Add payment methods like credit card, Apple and Google Pay to fund the account and buy Bitcoin.

Secure your login with Google Authenticator as a second factor.

Option to switch between BTC and sats

Withdraw bitcoin from 21bitcoin via the Lightning Network (LN URL/Address, LN Invoice)

As an investor with investments at different places I want an API to programmatically get my account balance, so I can build a dashboard tracking all my investment accounts.

It would be cool if you could automatically buy if the price drops for instance -5 or -10 % within 12 or 24 hours. That would truly be an automated „buy the dip“

SEPA real-time transfers to current accounts instead of normal transfers which take 1 - 3 days

https://saylortracker.com/ , I love the graph showing purchases over time and dollar cost average