/api/v2/wallet/{walletId}/lightning/backupThis is only used for self-custody lightning. Retrieve the channel backup for the given wallet.
walletIdstringRequired59cd72485007a239fb00282ed480da1f^[0-9a-f]{32}$chanPoints array[object] fundingTxid string outputIndex integer multiChanBackup string error string required requestId string required context object name string required