diff --git a/internal/models/alchemy/webhook.go b/internal/models/alchemy/webhook.go
index f819fd9..4e6886a 100644
--- a/internal/models/alchemy/webhook.go
+++ b/internal/models/alchemy/webhook.go
@@ -29,7 +29,7 @@ type AlchemyAddressActivityWebhook struct {
 			} `json:"rawContract"`
 			ToAddress string `json:"toAddress"`
 			//TypeTraceAddress interface{} `json:"typeTraceAddress"`
-			Value float64 `json:"value"`
+			Value int64 `json:"value"`
 		} `json:"activity"`
 		Network string `json:"network"`
 	} `json:"event"`
diff --git a/internal/payment_provider/alchemy/provider.go b/internal/payment_provider/alchemy/provider.go
index f958080..b55bce5 100644
--- a/internal/payment_provider/alchemy/provider.go
+++ b/internal/payment_provider/alchemy/provider.go
@@ -24,7 +24,7 @@ type Provider struct {
 }
 
 type Deps struct {
-	Repository *repository.PaymentMethodRepository
+	Repository *repository.PaymentRepository
 	Logger     *zap.Logger
 	Config     *Config
 }
@@ -63,8 +63,7 @@ func (p *Provider) handleWebhook(ctx *fiber.Ctx) error {
 		if act.ToAddress != p.config.WalletAddress {
 			continue
 		}
-		amountStr := fmt.Sprintf("%v", act.Value)
-		payment, err := p.repository.FindByWalletAddressAndAmount(ctx.Context(), act.FromAddress, amountStr)
+		payment, err := p.repository.FindByWalletAddressAndAmount(ctx.Context(), act.FromAddress, act.Value)
 		if err != nil {
 			if err.Type() == errors.ErrNotFound {
 				return ctx.Status(fiber.StatusNotFound).SendString(fmt.Sprintf("payment not found: %s", err.Error()))
diff --git a/internal/repository/payment.go b/internal/repository/payment.go
index 316b3ee..ceeaf2a 100644
--- a/internal/repository/payment.go
+++ b/internal/repository/payment.go
@@ -161,7 +161,7 @@ func (r *PaymentRepository) SetPaymentStatus(ctx context.Context, paymentID stri
 	return &payment, nil
 }
 
-func (r *PaymentRepository) FindByWalletAddressAndAmount(ctx context.Context, walletAddress string, amount string) (*models.Payment, errors.Error) {
+func (r *PaymentRepository) FindByWalletAddressAndAmount(ctx context.Context, walletAddress string, amount int64) (*models.Payment, errors.Error) {
 	payment := models.Payment{}
 	filter := bson.M{
 		PaymentFields.WalletAddress: walletAddress,
@@ -172,7 +172,7 @@ func (r *PaymentRepository) FindByWalletAddressAndAmount(ctx context.Context, wa
 		r.logger.Error("failed to find payment by walletAddress and amount on <FindByWalletAddressAndAmount> of <PaymentRepository>",
 			zap.Error(err),
 			zap.String("walletAddress", walletAddress),
-			zap.String("amount", amount),
+			zap.Int64("amount", amount),
 		)
 
 		findErr := errors.NewWithError(