diff --git a/instantout/reservation/store.go b/instantout/reservation/store.go
index 72613f9c..dabade50 100644
--- a/instantout/reservation/store.go
+++ b/instantout/reservation/store.go
@@ -84,6 +84,7 @@ func (r *SQLStore) CreateReservation(ctx context.Context,
 		ClientKeyIndex:   int32(reservation.KeyLocator.Index),
 		InitiationHeight: reservation.InitiationHeight,
 		ProtocolVersion:  int32(reservation.ProtocolVersion),
+		PrepayInvoice:    reservation.PrepayInvoice,
 	}
 
 	updateArgs := sqlc.InsertReservationUpdateParams{
@@ -293,6 +294,7 @@ func sqlReservationToReservation(row sqlc.Reservation,
 		InitiationHeight: row.InitiationHeight,
 		State:            fsm.StateType(lastUpdate.UpdateState),
 		ProtocolVersion:  ProtocolVersion(row.ProtocolVersion),
+		PrepayInvoice:    row.PrepayInvoice,
 	}, nil
 }
 
diff --git a/loopdb/sqlc/migrations/000015_reservation_prepay_invoice.down.sql b/loopdb/sqlc/migrations/000015_reservation_prepay_invoice.down.sql
new file mode 100644
index 00000000..61ae44c6
--- /dev/null
+++ b/loopdb/sqlc/migrations/000015_reservation_prepay_invoice.down.sql
@@ -0,0 +1 @@
+ALTER TABLE reservations DROP COLUMN prepay_invoice;
diff --git a/loopdb/sqlc/migrations/000015_reservation_prepay_invoice.up.sql b/loopdb/sqlc/migrations/000015_reservation_prepay_invoice.up.sql
new file mode 100644
index 00000000..37075170
--- /dev/null
+++ b/loopdb/sqlc/migrations/000015_reservation_prepay_invoice.up.sql
@@ -0,0 +1,3 @@
+-- prepay_invoice is a field that will store the invoice of the prepay payment
+-- that pays for the reservation.
+ALTER TABLE reservations ADD COLUMN prepay_invoice TEXT NOT NULL DEFAULT '';
diff --git a/loopdb/sqlc/models.go b/loopdb/sqlc/models.go
index 78a75d04..62bf5a66 100644
--- a/loopdb/sqlc/models.go
+++ b/loopdb/sqlc/models.go
@@ -115,6 +115,7 @@ type Reservation struct {
 	OutIndex           sql.NullInt32
 	ConfirmationHeight sql.NullInt32
 	ProtocolVersion    int32
+	PrepayInvoice      string
 }
 
 type ReservationUpdate struct {
diff --git a/loopdb/sqlc/queries/reservations.sql b/loopdb/sqlc/queries/reservations.sql
index ba95f53a..f9592326 100644
--- a/loopdb/sqlc/queries/reservations.sql
+++ b/loopdb/sqlc/queries/reservations.sql
@@ -8,7 +8,8 @@ INSERT INTO reservations (
     client_key_family,
     client_key_index,
     initiation_height,
-    protocol_version
+    protocol_version,
+    prepay_invoice
 ) VALUES (
     $1,
     $2,
@@ -18,7 +19,8 @@ INSERT INTO reservations (
     $6,
     $7,
     $8,
-    $9
+    $9,
+    $10
 );
 
 -- name: UpdateReservation :exec
diff --git a/loopdb/sqlc/reservations.sql.go b/loopdb/sqlc/reservations.sql.go
index 3a1ba898..275f45b8 100644
--- a/loopdb/sqlc/reservations.sql.go
+++ b/loopdb/sqlc/reservations.sql.go
@@ -21,7 +21,8 @@ INSERT INTO reservations (
     client_key_family,
     client_key_index,
     initiation_height,
-    protocol_version
+    protocol_version,
+    prepay_invoice
 ) VALUES (
     $1,
     $2,
@@ -31,7 +32,8 @@ INSERT INTO reservations (
     $6,
     $7,
     $8,
-    $9
+    $9,
+    $10
 )
 `
 
@@ -45,6 +47,7 @@ type CreateReservationParams struct {
 	ClientKeyIndex   int32
 	InitiationHeight int32
 	ProtocolVersion  int32
+	PrepayInvoice    string
 }
 
 func (q *Queries) CreateReservation(ctx context.Context, arg CreateReservationParams) error {
@@ -58,13 +61,14 @@ func (q *Queries) CreateReservation(ctx context.Context, arg CreateReservationPa
 		arg.ClientKeyIndex,
 		arg.InitiationHeight,
 		arg.ProtocolVersion,
+		arg.PrepayInvoice,
 	)
 	return err
 }
 
 const getReservation = `-- name: GetReservation :one
 SELECT
-    id, reservation_id, client_pubkey, server_pubkey, expiry, value, client_key_family, client_key_index, initiation_height, tx_hash, out_index, confirmation_height, protocol_version
+    id, reservation_id, client_pubkey, server_pubkey, expiry, value, client_key_family, client_key_index, initiation_height, tx_hash, out_index, confirmation_height, protocol_version, prepay_invoice
 FROM
     reservations
 WHERE
@@ -88,6 +92,7 @@ func (q *Queries) GetReservation(ctx context.Context, reservationID []byte) (Res
 		&i.OutIndex,
 		&i.ConfirmationHeight,
 		&i.ProtocolVersion,
+		&i.PrepayInvoice,
 	)
 	return i, err
 }
@@ -133,7 +138,7 @@ func (q *Queries) GetReservationUpdates(ctx context.Context, reservationID []byt
 
 const getReservations = `-- name: GetReservations :many
 SELECT
-    id, reservation_id, client_pubkey, server_pubkey, expiry, value, client_key_family, client_key_index, initiation_height, tx_hash, out_index, confirmation_height, protocol_version
+    id, reservation_id, client_pubkey, server_pubkey, expiry, value, client_key_family, client_key_index, initiation_height, tx_hash, out_index, confirmation_height, protocol_version, prepay_invoice
 FROM
     reservations
 ORDER BY
@@ -163,6 +168,7 @@ func (q *Queries) GetReservations(ctx context.Context) ([]Reservation, error) {
 			&i.OutIndex,
 			&i.ConfirmationHeight,
 			&i.ProtocolVersion,
+			&i.PrepayInvoice,
 		); err != nil {
 			return nil, err
 		}