diff --git a/config/config.go b/config/config.go
index 1c4cedd2..6bd023d6 100644
--- a/config/config.go
+++ b/config/config.go
@@ -123,6 +123,7 @@ type ExchangeConfig struct {
 	AuthenticatedAPISupport   bool                      `json:"authenticatedApiSupport"`
 	APIKey                    string                    `json:"apiKey"`
 	APISecret                 string                    `json:"apiSecret"`
+	APIAuthPEMKeySupport      bool                      `json:"apiAuthPemKeySupport,omitempty"`
 	APIAuthPEMKey             string                    `json:"apiAuthPemKey,omitempty"`
 	APIURL                    string                    `json:"apiUrl"`
 	APIURLSecondary           string                    `json:"apiUrlSecondary"`
diff --git a/config_example.json b/config_example.json
index b9751cee..28ed43e9 100644
--- a/config_example.json
+++ b/config_example.json
@@ -748,6 +748,7 @@
    "authenticatedApiSupport": false,
    "apiKey": "Key",
    "apiSecret": "Secret",
+   "apiAuthPemKeySupport": false,
    "apiAuthPemKey": "-----BEGIN EC PRIVATE KEY-----\nJUSTADUMMY\n-----END EC PRIVATE KEY-----\n",
    "apiUrl": "NON_DEFAULT_HTTP_LINK_TO_EXCHANGE_API",
    "apiUrlSecondary": "NON_DEFAULT_HTTP_LINK_TO_EXCHANGE_API",
@@ -787,6 +788,7 @@
    "authenticatedApiSupport": false,
    "apiKey": "Key",
    "apiSecret": "Secret",
+   "apiAuthPemKeySupport": false,
    "apiAuthPemKey": "-----BEGIN EC PRIVATE KEY-----\nJUSTADUMMY\n-----END EC PRIVATE KEY-----\n",
    "apiUrl": "NON_DEFAULT_HTTP_LINK_TO_EXCHANGE_API",
    "apiUrlSecondary": "NON_DEFAULT_HTTP_LINK_TO_EXCHANGE_API",
@@ -1297,4 +1299,4 @@
    "supportedExchanges": "ANX,Kraken"
   }
  ]
-}
\ No newline at end of file
+}
diff --git a/exchanges/exchange.go b/exchanges/exchange.go
index 92f192aa..57124186 100644
--- a/exchanges/exchange.go
+++ b/exchanges/exchange.go
@@ -92,6 +92,7 @@ type Base struct {
 	Websocket                                  bool
 	RESTPollingDelay                           time.Duration
 	AuthenticatedAPISupport                    bool
+	APIAuthPEMKeySupport                       bool
 	APISecret, APIKey, APIAuthPEMKey, ClientID string
 	Nonce                                      nonce.Nonce
 	TakerFee, MakerFee, Fee                    float64
diff --git a/exchanges/huobi/huobi.go b/exchanges/huobi/huobi.go
index 0b3b14c8..cf96520d 100644
--- a/exchanges/huobi/huobi.go
+++ b/exchanges/huobi/huobi.go
@@ -93,6 +93,7 @@ func (h *HUOBI) Setup(exch config.ExchangeConfig) {
 		h.Enabled = true
 		h.AuthenticatedAPISupport = exch.AuthenticatedAPISupport
 		h.SetAPIKeys(exch.APIKey, exch.APISecret, "", false)
+		h.APIAuthPEMKeySupport = exch.APIAuthPEMKeySupport
 		h.APIAuthPEMKey = exch.APIAuthPEMKey
 		h.SetHTTPClientTimeout(exch.HTTPTimeout)
 		h.SetHTTPClientUserAgent(exch.HTTPUserAgent)
@@ -757,31 +758,33 @@ func (h *HUOBI) SendAuthenticatedHTTPRequest(method, endpoint string, values url
 	signature := common.Base64Encode(hmac)
 	values.Set("Signature", signature)
 
-	pemKey := strings.NewReader(h.APIAuthPEMKey)
-	pemBytes, err := ioutil.ReadAll(pemKey)
-	if err != nil {
-		return fmt.Errorf("Huobi unable to ioutil.ReadAll PEM key: %s", err)
-	}
+	if h.APIAuthPEMKeySupport == true {
+		pemKey := strings.NewReader(h.APIAuthPEMKey)
+		pemBytes, err := ioutil.ReadAll(pemKey)
+		if err != nil {
+			return fmt.Errorf("Huobi unable to ioutil.ReadAll PEM key: %s", err)
+		}
 
-	block, _ := pem.Decode(pemBytes)
-	if block == nil {
-		return fmt.Errorf("Huobi block is nil")
-	}
+		block, _ := pem.Decode(pemBytes)
+		if block == nil {
+			return fmt.Errorf("Huobi block is nil")
+		}
 
-	x509Encoded := block.Bytes
-	privKey, err := x509.ParseECPrivateKey(x509Encoded)
-	if err != nil {
-		return fmt.Errorf("Huobi unable to ParseECPrivKey: %s", err)
-	}
+		x509Encoded := block.Bytes
+		privKey, err := x509.ParseECPrivateKey(x509Encoded)
+		if err != nil {
+			return fmt.Errorf("Huobi unable to ParseECPrivKey: %s", err)
+		}
 
-	r, s, err := ecdsa.Sign(rand.Reader, privKey, common.GetSHA256([]byte(signature)))
-	if err != nil {
-		return fmt.Errorf("Huobi unable to sign: %s", err)
-	}
+		r, s, err := ecdsa.Sign(rand.Reader, privKey, common.GetSHA256([]byte(signature)))
+		if err != nil {
+			return fmt.Errorf("Huobi unable to sign: %s", err)
+		}
 
-	privSig := r.Bytes()
-	privSig = append(privSig, s.Bytes()...)
-	values.Set("PrivateSignature", common.Base64Encode(privSig))
+		privSig := r.Bytes()
+		privSig = append(privSig, s.Bytes()...)
+		values.Set("PrivateSignature", common.Base64Encode(privSig))
+	}
 
 	url := fmt.Sprintf("%s%s", h.APIUrl, endpoint)
 	url = common.EncodeURLValues(url, values)
diff --git a/exchanges/huobihadax/huobihadax.go b/exchanges/huobihadax/huobihadax.go
index 5fff626d..b2da9799 100644
--- a/exchanges/huobihadax/huobihadax.go
+++ b/exchanges/huobihadax/huobihadax.go
@@ -88,6 +88,7 @@ func (h *HUOBIHADAX) Setup(exch config.ExchangeConfig) {
 		h.Enabled = true
 		h.AuthenticatedAPISupport = exch.AuthenticatedAPISupport
 		h.SetAPIKeys(exch.APIKey, exch.APISecret, "", false)
+		h.APIAuthPEMKeySupport = exch.APIAuthPEMKeySupport
 		h.APIAuthPEMKey = exch.APIAuthPEMKey
 		h.SetHTTPClientTimeout(exch.HTTPTimeout)
 		h.SetHTTPClientUserAgent(exch.HTTPUserAgent)