Bip39 api https://www.4shared.com/s/fAf7kF4dLku Even though it takes advantage of BIP32 process you can however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 version which some wallet use for your era of seeds. For example, when you at first create your wallet and created seed http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf