Docs here (probably should be easier to find) → zcash/payment-api.md at master · zcash/zcash · GitHub
Use z_exportwallet to back up all your t and z address keys.
Docs here (probably should be easier to find) → zcash/payment-api.md at master · zcash/zcash · GitHub
Use z_exportwallet to back up all your t and z address keys.