diff --git a/bitfinexhttp.go b/bitfinexhttp.go
index 3220aef3..56c45a66 100644
--- a/bitfinexhttp.go
+++ b/bitfinexhttp.go
@@ -81,6 +81,7 @@ type SymbolsDetails struct {
 type Bitfinex struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	APIKey, APISecret string
 	Ticker BitfinexTicker
 	Stats []BitfinexStats
@@ -93,6 +94,7 @@ type Bitfinex struct {
 func (b *Bitfinex) SetDefaults() {
 	b.Name = "Bitfinex"
 	b.Enabled = true
+	b.Verbose = false
 }
 
 func (b *Bitfinex) GetName() (string) {
@@ -169,15 +171,16 @@ func (b *Bitfinex) SendAuthenticatedHTTPRequest(path string, params map[string]i
 	}
 
 	PayloadJson, err := json.Marshal(request)
-	log.Printf("Request JSON: %s\n", PayloadJson)
+
+	if b.Verbose {
+		log.Printf("Request JSON: %s\n", PayloadJson)
+	}
 
 	if err != nil {
 		return errors.New("SendAuthenticatedHTTPRequest: Unable to JSON request")
 	}
 
 	PayloadBase64 := base64.StdEncoding.EncodeToString(PayloadJson)
-	log.Printf("Base64: %s\n", PayloadBase64)
-
 	hmac := hmac.New(sha512.New384, []byte(b.APISecret))
 	hmac.Write([]byte(PayloadBase64))
 	signature := hex.EncodeToString(hmac.Sum(nil))
@@ -200,7 +203,11 @@ func (b *Bitfinex) SendAuthenticatedHTTPRequest(path string, params map[string]i
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	log.Printf("Recieved raw: \n%s\n", string(contents))
+
+	if b.Verbose {
+		log.Printf("Recieved raw: \n%s\n", string(contents))
+	}
+	
 	err = json.Unmarshal(contents, &result)
 
 	if err != nil {
diff --git a/bitstamphttp.go b/bitstamphttp.go
index 4e66fae1..29135b22 100644
--- a/bitstamphttp.go
+++ b/bitstamphttp.go
@@ -39,6 +39,7 @@ const (
 type Bitstamp struct { 
 	Name string
 	Enabled bool
+	Verbose bool
 	ClientID, APIKey, APISecret string
 	Ticker BitstampTicker
 	Orderbook Orderbook
@@ -87,6 +88,7 @@ type ConversionRate struct {
 func (b *Bitstamp) SetDefaults() {
 	b.Name = "Bitstamp"
 	b.Enabled = true
+	b.Verbose = false
 }
 
 func (b *Bitstamp) GetName() (string) {
@@ -276,7 +278,10 @@ func (b *Bitstamp) SendAuthenticatedHTTPRequest(path string, values url.Values,
 	reqBody := strings.NewReader(values.Encode())
 
 	path = BITSTAMP_API_URL + path
-	fmt.Println("Sending POST request to " + path)
+
+	if b.Verbose {
+		fmt.Println("Sending POST request to " + path)
+	}
 
 	req, err := http.NewRequest("POST", path, reqBody)
 	if err != nil {
@@ -293,7 +298,10 @@ func (b *Bitstamp) SendAuthenticatedHTTPRequest(path string, values url.Values,
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	fmt.Printf("Recieved raw: %s\n", string(contents))
+
+	if b.Verbose {
+		fmt.Printf("Recieved raw: %s\n", string(contents))
+	}
 
 	err = json.Unmarshal(contents, &result)
 
diff --git a/btcchinahttp.go b/btcchinahttp.go
index 73cfbcf6..0045dc9e 100644
--- a/btcchinahttp.go
+++ b/btcchinahttp.go
@@ -24,6 +24,7 @@ const (
 type BTCChina struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	APISecret, APIKey string
 	Fee float64
 }
@@ -45,6 +46,7 @@ func (b *BTCChina) SetDefaults() {
 	b.Name = "BTC China"
 	b.Enabled = true
 	b.Fee = 0
+	b.Verbose = false
 }
 
 func (b *BTCChina) GetName() (string) {
@@ -161,7 +163,9 @@ func (b *BTCChina) SendAuthenticatedHTTPRequest(method string, params []string)
 
 	encoded := fmt.Sprintf("tonce=%s&accesskey=%s&requestmethod=post&id=%d&method=%s&params=%s", nonce, b.APIKey, 1, method, params)
 
-	fmt.Println(encoded)
+	if b.Verbose {
+		log.Println(encoded)
+	}
 
 	hmac := hmac.New(sha1.New, []byte(b.APISecret))
 	hmac.Write([]byte(encoded))
@@ -171,18 +175,21 @@ func (b *BTCChina) SendAuthenticatedHTTPRequest(method string, params []string)
 	postData["method"] = method
 	postData["params"] = []string{}
 	postData["id"] = 1
-
 	data, err := json.Marshal(postData)
 
-	fmt.Println(string(data))
+	if b.Verbose {
+		log.Println(string(data))
+	}
 
 	if err != nil {
 		return errors.New("Unable to JSON POST data")
 	}
 
-	log.Printf("Sending POST request to %s calling method %s with params %s\n", "https://api.btcchina.com/api_trade_v1.php", method, data)
-	reqBody := strings.NewReader(string(data))
+	if b.Verbose {
+		log.Printf("Sending POST request to %s calling method %s with params %s\n", "https://api.btcchina.com/api_trade_v1.php", method, data)
+	}
 
+	reqBody := strings.NewReader(string(data))
 	b64 := base64.StdEncoding.EncodeToString([]byte(b.APIKey + ":" + hash))
 
 	req, err := http.NewRequest("POST", "https://api.btcchina.com/api_trade_v1.php", reqBody)
@@ -203,7 +210,11 @@ func (b *BTCChina) SendAuthenticatedHTTPRequest(method string, params []string)
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	log.Printf("Recv'd :%s", string(contents))
+	
+	if b.Verbose {
+		log.Printf("Recv'd :%s\n", string(contents))
+	}
+
 	resp.Body.Close()
 	return nil
 
diff --git a/btcehttp.go b/btcehttp.go
index 0d9a3ee2..cec0c50d 100644
--- a/btcehttp.go
+++ b/btcehttp.go
@@ -27,6 +27,7 @@ const (
 type BTCE struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	APIKey, APISecret string
 	Fee float64
 }
@@ -48,6 +49,7 @@ func (b *BTCE) SetDefaults() {
 	b.Name = "BTCE"
 	b.Enabled = true
 	b.Fee = 0.2
+	b.Verbose = false
 }
 
 func (b *BTCE) GetName() (string) {
@@ -175,10 +177,11 @@ func (b *BTCE) SendAuthenticatedHTTPRequest(method string, values url.Values) (e
 	encoded := values.Encode()
 	hmac.Write([]byte(encoded))
 
+	if b.Verbose {
+		fmt.Printf("Sending POST request to %s calling method %s with params %s\n", BTCE_API_URL, method, encoded)
+	}
 
-	fmt.Printf("Sending POST request to %s calling method %s with params %s\n", BTCE_API_URL, method, encoded)
 	reqBody := strings.NewReader(encoded)
-
 	req, err := http.NewRequest("POST", BTCE_API_URL, reqBody)
 
 	if err != nil {
@@ -197,7 +200,11 @@ func (b *BTCE) SendAuthenticatedHTTPRequest(method string, values url.Values) (e
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	fmt.Printf("Recieved raw: %s\n", string(contents))
+
+	if b.Verbose {
+		fmt.Printf("Recieved raw: %s\n", string(contents))
+	}
+	
 	resp.Body.Close()
 	return nil
 
diff --git a/btcmarkets.go b/btcmarkets.go
index c46c3491..3fc836b5 100644
--- a/btcmarkets.go
+++ b/btcmarkets.go
@@ -21,6 +21,7 @@ const (
 type BTCMarkets struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	Fee float64
 	APIKey, APISecret string
 }
@@ -38,6 +39,7 @@ func (b *BTCMarkets) SetDefaults() {
 	b.Name = "BTC Markets"
 	b.Enabled = true
 	b.Fee = 0.85
+	b.Verbose = false
 }
 
 func (b *BTCMarkets) GetName() (string) {
@@ -105,7 +107,11 @@ func (b *BTCMarkets) SendAuthenticatedRequest(reqType, path, data string) (error
 	
 	hmac := hmac.New(sha512.New, []byte(b.APISecret))
 	hmac.Write([]byte(request))
-	log.Printf("Sending %s request to %s path %s with params %s\n", reqType, BTCMARKETS_API_URL + path, path, request)
+
+	if b.Verbose {
+		log.Printf("Sending %s request to %s path %s with params %s\n", reqType, BTCMARKETS_API_URL + path, path, request)
+	}
+	
 	req, err := http.NewRequest(reqType, BTCMARKETS_API_URL + path, strings.NewReader(""))
 
 	if err != nil {
@@ -130,7 +136,11 @@ func (b *BTCMarkets) SendAuthenticatedRequest(reqType, path, data string) (error
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	log.Printf("Recieved raw: %s\n", string(contents))
+
+	if b.Verbose {
+		log.Printf("Recieved raw: %s\n", string(contents))
+	}
+
 	resp.Body.Close()
 	return nil
 }
\ No newline at end of file
diff --git a/config.go b/config.go
index 23ba733c..2b553fae 100644
--- a/config.go
+++ b/config.go
@@ -12,6 +12,7 @@ type Config struct {
 type Exchanges struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	APIKey string
 	APISecret string
 	ClientID string
diff --git a/config_example.json b/config_example.json
index aa9262ac..e9b6be8d 100644
--- a/config_example.json
+++ b/config_example.json
@@ -6,7 +6,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "USD",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "Bitstamp",
@@ -15,7 +16,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "USD",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "BTC China",
@@ -23,7 +25,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "CNY",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "BTCE",
@@ -31,7 +34,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "USD,RUB,EUR,CNY,GBP",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "BTC Markets",
@@ -39,7 +43,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "AUD",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "Huobi",
@@ -47,7 +52,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "CNY",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "ITBIT",
@@ -55,7 +61,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "USD,SGD,EUR",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "LakeBTC",
@@ -63,7 +70,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "CNY",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "OKCOIN China",
@@ -71,7 +79,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "CNY",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     },
     {
       "Name": "OKCOIN International",
@@ -79,7 +88,8 @@
       "APIKey": "Key",
       "APISecret": "Secret",
       "BaseCurrencies": "USD",
-      "Enabled": true
+      "Enabled": true,
+      "Verbose": false
     }
   ]
 }
\ No newline at end of file
diff --git a/huobihttp.go b/huobihttp.go
index 8ea9a626..292f6e1b 100644
--- a/huobihttp.go
+++ b/huobihttp.go
@@ -20,6 +20,7 @@ const (
 type HUOBI struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	AccessKey, SecretKey string
 	Fee float64
 }
@@ -42,6 +43,7 @@ func (h *HUOBI) SetDefaults() {
 	h.Name = "Huobi"
 	h.Enabled = true
 	h.Fee = 0
+	h.Verbose = false
 }
 
 func (h *HUOBI) GetName() (string) {
@@ -201,11 +203,12 @@ func (h *HUOBI) SendAuthenticatedRequest(method string, v url.Values) (error) {
 	hasher.Write([]byte(v.Encode() + "&secret_key=" + h.SecretKey))
 	signature := strings.ToUpper(hex.EncodeToString(hasher.Sum(nil)))
 	v.Set("sign", signature)
-
-
 	encoded := v.Encode()
-	fmt.Printf("Signature: %s\n", signature)
-	fmt.Printf("Sending POST request to %s with params %s\n", HUOBI_API_URL, encoded)
+
+	if h.Verbose {
+		fmt.Printf("Signature: %s\n", signature)
+		fmt.Printf("Sending POST request to %s with params %s\n", HUOBI_API_URL, encoded)
+	}
 
 	reqBody := strings.NewReader(encoded)
 	req, err := http.NewRequest("POST", HUOBI_API_URL, reqBody)
@@ -224,7 +227,11 @@ func (h *HUOBI) SendAuthenticatedRequest(method string, v url.Values) (error) {
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	fmt.Printf("Recieved raw: %s\n", string(contents))
+
+	if h.Verbose {
+		fmt.Printf("Recieved raw: %s\n", string(contents))
+	}
+
 	resp.Body.Close()
 	return nil
 }
\ No newline at end of file
diff --git a/itbithttp.go b/itbithttp.go
index 78f6497c..ea42b3e8 100644
--- a/itbithttp.go
+++ b/itbithttp.go
@@ -23,6 +23,7 @@ const (
 type ItBit struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	ClientKey, APISecret, UserID string
 	MakerFee, TakerFee float64
 }
@@ -52,6 +53,7 @@ func (i *ItBit) SetDefaults() {
 	i.Enabled = true
 	i.MakerFee = -0.10
 	i.TakerFee = 0.50
+	i.Verbose = false
 }
 
 func (i *ItBit) GetName() (string) {
@@ -260,8 +262,11 @@ func (i *ItBit) SendAuthenticatedHTTPRequest(method string, path string, params
 		}
 	}
 
-	PayloadJson, err := json.Marshal(request)
-	log.Printf("Request JSON: %s\n", PayloadJson)
+	PayloadJson, err := json.Marshal(request)	
+	
+	if i.Verbose {
+		log.Printf("Request JSON: %s\n", PayloadJson)
+	}
 
 	if err != nil {
 		return errors.New("SendAuthenticatedHTTPRequest: Unable to JSON request")
@@ -286,7 +291,11 @@ func (i *ItBit) SendAuthenticatedHTTPRequest(method string, path string, params
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	log.Printf("Recieved raw: %s\n", string(contents))
+
+	if i.Verbose {
+		log.Printf("Recieved raw: %s\n", string(contents))
+	}
+	
 	resp.Body.Close()
 	return nil
 }
\ No newline at end of file
diff --git a/lakebtchttp.go b/lakebtchttp.go
index b95c7785..a96c25c9 100644
--- a/lakebtchttp.go
+++ b/lakebtchttp.go
@@ -32,6 +32,7 @@ const (
 type LakeBTC struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	Email, APISecret string
 	TakerFee, MakerFee float64
 }
@@ -54,6 +55,7 @@ func (l *LakeBTC) SetDefaults() {
 	l.Enabled = true
 	l.TakerFee = 0.2
 	l.MakerFee = 0.15
+	l.Verbose = false
 }
 
 func (l *LakeBTC) GetName() (string) {
@@ -179,8 +181,10 @@ func (l *LakeBTC) SendAuthenticatedHTTPRequest(method, params string) (err error
 	encoded := v.Encode()
 	hmac.Write([]byte(encoded))
 
+	if l.Verbose {
+		fmt.Printf("Sending POST request to %s calling method %s with params %s\n", LAKEBTC_API_URL, method, encoded)
+	}
 
-	fmt.Printf("Sending POST request to %s calling method %s with params %s\n", LAKEBTC_API_URL, method, encoded)
 	reqBody := strings.NewReader(encoded)
 	hash := hex.EncodeToString(hmac.Sum(nil))
 	b64 := base64.StdEncoding.EncodeToString([]byte(l.Email + ":" + hash))
@@ -203,7 +207,11 @@ func (l *LakeBTC) SendAuthenticatedHTTPRequest(method, params string) (err error
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	fmt.Printf("Recieved raw: %s\n", string(contents))
+
+	if l.Verbose {
+		fmt.Printf("Recieved raw: %s\n", string(contents))
+	}
+	
 	resp.Body.Close()
 	return nil
 
diff --git a/main.go b/main.go
index 750c8bfd..42355d3a 100644
--- a/main.go
+++ b/main.go
@@ -69,6 +69,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.btcchina.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.btcchina.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.bitstamp.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -78,6 +85,13 @@ func main() {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.bitstamp.SetAPIKeys(exch.ClientID, exch.APIKey, exch.APISecret)
 				exchange.bitstamp.GetBalance()
+
+				if exch.Verbose {
+					exchange.bitstamp.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.bitfinex.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -87,6 +101,13 @@ func main() {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.bitfinex.SetAPIKeys(exch.APIKey, exch.APISecret)
 				exchange.bitfinex.GetAccountFeeInfo()
+
+				if exch.Verbose {
+					exchange.bitfinex.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.btce.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -95,6 +116,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.btce.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.btce.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.btcmarkets.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -103,6 +131,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.btcmarkets.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.btcmarkets.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.okcoinChina.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -111,6 +146,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.okcoinChina.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.okcoinChina.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.okcoinIntl.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -119,6 +161,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.okcoinIntl.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.okcoinIntl.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.itbit.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -127,6 +176,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.itbit.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.itbit.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.lakebtc.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -135,6 +191,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.lakebtc.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.lakebtc.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		} else if exchange.huobi.GetName() == exch.Name {
 			if !exch.Enabled {
@@ -143,6 +206,13 @@ func main() {
 			} else {
 				log.Printf("%s enabled.\n", exch.Name)
 				exchange.huobi.SetAPIKeys(exch.APIKey, exch.APISecret)
+
+				if exch.Verbose {
+					exchange.huobi.Verbose = true
+					log.Printf("%s Verbose output enabled.\n", exch.Name)
+				} else {
+					log.Printf("%s Verbose output disabled.\n", exch.Name)
+				}
 			}
 		}
 	}
diff --git a/okcoinhttp.go b/okcoinhttp.go
index 393b9881..269a985f 100644
--- a/okcoinhttp.go
+++ b/okcoinhttp.go
@@ -20,6 +20,7 @@ const (
 type OKCoin struct {
 	Name string
 	Enabled bool
+	Verbose bool
 	APIUrl, PartnerID, SecretKey string
 	TakerFee, MakerFee float64
 }
@@ -60,6 +61,7 @@ func (o *OKCoin) SetDefaults() {
 		o.Name = "OKCOIN China"
 	}
 	o.Enabled = true
+	o.Verbose = false
 }
 
 func (o *OKCoin) GetName() (string) {
@@ -410,10 +412,12 @@ func (o *OKCoin) SendAuthenticatedHTTPRequest(method string, v url.Values) (err
 
 	v.Set("sign", signature)
 	encoded := v.Encode() + "&partner=" + o.PartnerID
-
-	fmt.Printf("Signature: %s\n", signature)
 	path := o.APIUrl + method
-	fmt.Printf("Sending POST request to %s with params %s\n", path, encoded)
+
+	if o.Verbose {
+		fmt.Printf("Signature: %s\n", signature)
+		fmt.Printf("Sending POST request to %s with params %s\n", path, encoded)
+	}
 
 	reqBody := strings.NewReader(encoded)
 	req, err := http.NewRequest("POST", path, reqBody)
@@ -432,7 +436,11 @@ func (o *OKCoin) SendAuthenticatedHTTPRequest(method string, v url.Values) (err
 	}
 
 	contents, _ := ioutil.ReadAll(resp.Body)
-	fmt.Printf("Recieved raw: %s\n", string(contents))
+
+	if o.Verbose {
+		fmt.Printf("Recieved raw: %s\n", string(contents))
+	}
+	
 	resp.Body.Close()
 	return nil