diff --git a/config.go b/config.go
index e35cb7b..2b4cb41 100644
--- a/config.go
+++ b/config.go
@@ -41,9 +41,10 @@ type Config struct {
 	Proxy proxy.Dialer
 
 	// The default fee-per-byte for each level
-	LowFee    uint64
-	MediumFee uint64
-	HighFee   uint64
+	SuperLowFee uint64
+	LowFee      uint64
+	MediumFee   uint64
+	HighFee     uint64
 
 	// The highest allowable fee-per-byte
 	MaxFee uint64
diff --git a/fees.go b/fees.go
index 0e83286..935021a 100644
--- a/fees.go
+++ b/fees.go
@@ -19,31 +19,34 @@ type feeCache struct {
 }
 
 type Fees struct {
-	Priority uint64 `json:"priority"`
-	Normal   uint64 `json:"normal"`
-	Economic uint64 `json:"economic"`
+	Priority      uint64 `json:"priority"`
+	Normal        uint64 `json:"normal"`
+	Economic      uint64 `json:"economic"`
+	SuperEconomic uint64 `json:"superEconomic"`
 }
 
 type FeeProvider struct {
-	maxFee      uint64
-	priorityFee uint64
-	normalFee   uint64
-	economicFee uint64
-	feeAPI      string
+	maxFee           uint64
+	priorityFee      uint64
+	normalFee        uint64
+	economicFee      uint64
+	superEconomicFee uint64
+	feeAPI           string
 
 	httpClient httpClient
 
 	cache *feeCache
 }
 
-func NewFeeProvider(maxFee, priorityFee, normalFee, economicFee uint64, feeAPI string, proxy proxy.Dialer) *FeeProvider {
+func NewFeeProvider(maxFee, priorityFee, normalFee, economicFee, superEconomicFee uint64, feeAPI string, proxy proxy.Dialer) *FeeProvider {
 	fp := FeeProvider{
-		maxFee:      maxFee,
-		priorityFee: priorityFee,
-		normalFee:   normalFee,
-		economicFee: economicFee,
-		feeAPI:      feeAPI,
-		cache:       new(feeCache),
+		maxFee:           maxFee,
+		priorityFee:      priorityFee,
+		normalFee:        normalFee,
+		economicFee:      economicFee,
+		superEconomicFee: superEconomicFee,
+		feeAPI:           feeAPI,
+		cache:            new(feeCache),
 	}
 	dial := net.Dial
 	if proxy != nil {
@@ -84,6 +87,8 @@ func (fp *FeeProvider) GetFeePerByte(feeLevel wallet.FeeLevel) uint64 {
 		return fp.selectFee(fees.Normal, wallet.PRIOIRTY)
 	case wallet.ECONOMIC:
 		return fp.selectFee(fees.Economic, wallet.PRIOIRTY)
+	case wallet.SUPER_ECONOMIC:
+		return fp.selectFee(fees.SuperEconomic, wallet.PRIOIRTY)
 	case wallet.FEE_BUMP:
 		return fp.selectFee(fees.Priority, wallet.PRIOIRTY)
 	default:
diff --git a/wallet.go b/wallet.go
index 7c10691..6273137 100644
--- a/wallet.go
+++ b/wallet.go
@@ -98,6 +98,7 @@ func NewSPVWallet(config *Config) (*SPVWallet, error) {
 			config.HighFee,
 			config.MediumFee,
 			config.LowFee,
+			config.SuperLowFee,
 			config.FeeAPI.String(),
 			config.Proxy,
 		),