diff --git a/cmd/crybapy/cmd_audit.go b/cmd/crybapy/cmd_audit.go
index e64afb6..217debd 100644
--- a/cmd/crybapy/cmd_audit.go
+++ b/cmd/crybapy/cmd_audit.go
@@ -2,12 +2,13 @@ package main
 
 import (
 	"fmt"
+	"os"
+	"strconv"
+
 	"github.com/logrusorgru/aurora"
 	"github.com/spf13/cobra"
-	"os"
 	"storj.io/crypto-batch-payment/pkg/payer"
 	"storj.io/crypto-batch-payment/pkg/payouts"
-	"strconv"
 )
 
 type auditConfig struct {
@@ -47,7 +48,7 @@ func newAuditCommand(rootConfig *rootConfig) *cobra.Command {
 	cmd.Flags().StringVarP(
 		&config.PayerType,
 		"type", "",
-		string(payer.Eth),
+		payer.Eth.String(),
 		"Type of the payment (eth,sim)")
 	return cmd
 }
diff --git a/cmd/crybapy/factory_payer.go b/cmd/crybapy/factory_payer.go
index 4e682c6..bcbea74 100644
--- a/cmd/crybapy/factory_payer.go
+++ b/cmd/crybapy/factory_payer.go
@@ -57,7 +57,7 @@ func RegisterFlags(cmd *cobra.Command, config *PayerConfig) {
 	cmd.Flags().StringVarP(
 		&config.PayerType,
 		"type", "",
-		string(payer.Eth),
+		payer.Eth.String(),
 		"Type of the payment (eth,zksync2,zksync,zkwithdraw,sim,polygon)")
 	cmd.Flags().StringVarP(
 		&config.MaxFee,
diff --git a/pkg/eth/payer.go b/pkg/eth/payer.go
index 0bb636d..7aca16a 100644
--- a/pkg/eth/payer.go
+++ b/pkg/eth/payer.go
@@ -96,7 +96,7 @@ func NewEthPayer(ctx context.Context,
 }
 
 func (e *EthPayer) String() string {
-	return string(payer.Eth)
+	return payer.Eth.String()
 }
 
 func (e *EthPayer) NextNonce(ctx context.Context) (uint64, error) {
diff --git a/pkg/payer/payer.go b/pkg/payer/payer.go
index 9757891..8bf69e3 100644
--- a/pkg/payer/payer.go
+++ b/pkg/payer/payer.go
@@ -25,6 +25,9 @@ type Transaction struct {
 
 // Payer is responsible for the final payment transfer
 type Payer interface {
+	// Strings returns a string describing the payer type
+	String() string
+
 	// NextNonce queries chain for the next available nonce value.
 	NextNonce(ctx context.Context) (uint64, error)
 
diff --git a/pkg/payer/sim.go b/pkg/payer/sim.go
index cc0a80e..134cfdb 100644
--- a/pkg/payer/sim.go
+++ b/pkg/payer/sim.go
@@ -39,6 +39,10 @@ func NewSimPayer() (*SimPayer, error) {
 	}, nil
 }
 
+func (s *SimPayer) String() string {
+	return Sim.String()
+}
+
 func (s *SimPayer) NextNonce(ctx context.Context) (uint64, error) {
 	return uint64(0), nil
 }
diff --git a/pkg/payer/types.go b/pkg/payer/types.go
index 7d4b567..5b9286d 100644
--- a/pkg/payer/types.go
+++ b/pkg/payer/types.go
@@ -19,6 +19,10 @@ const (
 	Polygon    PayerType = "polygon"
 )
 
+func (pt PayerType) String() string {
+	return string(pt)
+}
+
 // PayerTypeFromString parses string to a PayerType const.
 func PayerTypeFromString(t string) (PayerType, error) {
 	switch strings.ToLower(t) {
diff --git a/pkg/payouts/audit.go b/pkg/payouts/audit.go
index 2637f71..ada9523 100644
--- a/pkg/payouts/audit.go
+++ b/pkg/payouts/audit.go
@@ -214,7 +214,7 @@ func Audit(ctx context.Context, dir string, csvPath string, payerType payer.Paye
 	for _, dbPayout := range dbPayouts {
 		if txHash, ok := payoutGroupStatus[dbPayout.PayoutGroupID]; ok {
 			if txHash != "" {
-				receiptsCSV.Write([]string{dbPayout.Payee.String(), dbPayout.USD.String(), txHash, string(payerType)})
+				receiptsCSV.Write([]string{dbPayout.Payee.String(), dbPayout.USD.String(), txHash, payerType.String()})
 			}
 			continue
 		}
@@ -292,7 +292,7 @@ func Audit(ctx context.Context, dir string, csvPath string, payerType payer.Paye
 		if confirmedCount > 0 {
 			txHash := confirmed[0].Hash
 			payoutGroupStatus[dbPayout.PayoutGroupID] = txHash
-			receiptsCSV.Write([]string{dbPayout.Payee.String(), dbPayout.USD.String(), txHash, string(payerType)})
+			receiptsCSV.Write([]string{dbPayout.Payee.String(), dbPayout.USD.String(), txHash, payerType.String()})
 			payoutsConfirmed += numPayouts
 		}
 
diff --git a/pkg/pipeline/pipeline_test.go b/pkg/pipeline/pipeline_test.go
index 880b29f..f72ce4f 100644
--- a/pkg/pipeline/pipeline_test.go
+++ b/pkg/pipeline/pipeline_test.go
@@ -192,6 +192,10 @@ func NewTestPayer() *TestPayer {
 	}
 }
 
+func (t *TestPayer) String() string {
+	return "test"
+}
+
 func (t *TestPayer) NextNonce(ctx context.Context) (uint64, error) {
 	ret := t.nextNonce
 	t.nextNonce++
diff --git a/pkg/zksync/payer.go b/pkg/zksync/payer.go
index 00d58c0..0261a1e 100644
--- a/pkg/zksync/payer.go
+++ b/pkg/zksync/payer.go
@@ -58,7 +58,7 @@ func NewPayer(
 }
 
 func (z Payer) String() string {
-	return string(payer.ZkSync)
+	return payer.ZkSync.String()
 }
 
 func (z Payer) NextNonce(ctx context.Context) (uint64, error) {
diff --git a/pkg/zksync2/payer.go b/pkg/zksync2/payer.go
index bcfc4e3..2e46664 100644
--- a/pkg/zksync2/payer.go
+++ b/pkg/zksync2/payer.go
@@ -85,7 +85,7 @@ func NewPayer(
 }
 
 func (p *Payer) String() string {
-	return string(payer.ZkSync2)
+	return payer.ZkSync2.String()
 }
 
 func (p *Payer) NextNonce(ctx context.Context) (uint64, error) {