diff --git a/bigmap.go b/bigmap.go
index 2e57931..89b88ef 100644
--- a/bigmap.go
+++ b/bigmap.go
@@ -20,21 +20,14 @@ func (c *TZKT) GetBigMapValueByPointer(pointer int, key string) ([]byte, error)
 		}.Encode(),
 	}
 
+	var results []json.RawMessage
+
 	req, err := http.NewRequest("GET", u.String(), nil)
 	if err != nil {
 		return nil, err
 	}
 
-	resp, err := c.client.Do(req)
-	if err != nil {
-		return nil, err
-	}
-
-	defer resp.Body.Close()
-
-	var results []json.RawMessage
-
-	if err := json.NewDecoder(resp.Body).Decode(&results); err != nil {
+	if err := c.request(req, &results); err != nil {
 		return nil, err
 	}
 
@@ -64,21 +57,14 @@ func (c *TZKT) GetBigMapPointersByContract(contract string, tags ...string) ([]i
 		RawQuery: query.Encode(),
 	}
 
-	req, err := http.NewRequest("GET", u.String(), nil)
-	if err != nil {
-		return nil, err
-	}
+	var pointer []int
 
-	resp, err := c.client.Do(req)
+	req, err := http.NewRequest("GET", u.String(), nil)
 	if err != nil {
 		return nil, err
 	}
 
-	defer resp.Body.Close()
-	var pointer []int
-
-	err = json.NewDecoder(resp.Body).Decode(&pointer)
-	if err != nil {
+	if err := c.request(req, &pointer); err != nil {
 		return nil, err
 	}
 
@@ -98,23 +84,14 @@ func (c *TZKT) GetBigMapsByContractAndPath(contract string, path string) (int, e
 		}.Encode(),
 	}
 
-	fmt.Println(u)
+	var pointer []int
 
 	req, err := http.NewRequest("GET", u.String(), nil)
 	if err != nil {
 		return 0, err
 	}
 
-	resp, err := c.client.Do(req)
-	if err != nil {
-		return 0, err
-	}
-
-	defer resp.Body.Close()
-	var pointer []int
-
-	err = json.NewDecoder(resp.Body).Decode(&pointer)
-	if err != nil {
+	if err := c.request(req, &pointer); err != nil {
 		return 0, err
 	}
 
diff --git a/operation.go b/operation.go
index a5c7881..250b71b 100644
--- a/operation.go
+++ b/operation.go
@@ -44,7 +44,10 @@ func (c *TZKT) GetTransaction(id uint64) (TransactionDetails, error) {
 
 	var txs []TransactionDetails
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return TransactionDetails{}, err
+	}
 	if err := c.request(req, &txs); err != nil {
 		return TransactionDetails{}, err
 	}
diff --git a/token.go b/token.go
index 52589c8..6c7244d 100644
--- a/token.go
+++ b/token.go
@@ -25,7 +25,10 @@ func (c *TZKT) GetTokenBalanceOfOwner(contract, tokenID, owner string) (int, err
 
 	var balance int
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return balance, err
+	}
 	if err := c.request(req, &balance); err != nil {
 		return balance, err
 	}
@@ -56,7 +59,10 @@ func (c *TZKT) GetTokenOwners(contract, tokenID string, limit int, lastTime time
 
 	var owners []TokenOwner
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return nil, err
+	}
 	if err := c.request(req, &owners); err != nil {
 		return nil, err
 	}
@@ -84,7 +90,11 @@ func (c *TZKT) GetTokenBalanceAndLastTimeForOwner(contract, tokenID, owner strin
 
 	var owners []TokenOwner
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return 0, time.Time{}, err
+	}
+
 	if err := c.request(req, &owners); err != nil {
 		return 0, time.Time{}, err
 	}
@@ -120,7 +130,11 @@ func (c *TZKT) GetTokenLastActivityTime(contract, tokenID string) (time.Time, er
 
 	var activityTime []time.Time
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return time.Time{}, err
+	}
+
 	if err := c.request(req, &activityTime); err != nil {
 		return time.Time{}, err
 	}
@@ -154,7 +168,11 @@ func (c *TZKT) GetTokenTransfers(contract, tokenID string, limit int) ([]TokenTr
 
 	var transfers []TokenTransfer
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return nil, err
+	}
+
 	if err := c.request(req, &transfers); err != nil {
 		return nil, err
 	}
@@ -182,6 +200,7 @@ func (c *TZKT) GetTokenTransfersCount(contract, tokenID string) (int, error) {
 	if err != nil {
 		return 0, err
 	}
+
 	if err := c.request(req, &count); err != nil {
 		return 0, err
 	}
@@ -212,7 +231,11 @@ func (c *TZKT) RetrieveTokens(owner string, lastTime time.Time, offset int) ([]O
 	}
 	var ownedTokens []OwnedToken
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return ownedTokens, err
+	}
+
 	if err := c.request(req, &ownedTokens); err != nil {
 		return ownedTokens, err
 	}
@@ -221,8 +244,6 @@ func (c *TZKT) RetrieveTokens(owner string, lastTime time.Time, offset int) ([]O
 }
 
 func (c *TZKT) GetContractToken(contract, tokenID string) (Token, error) {
-	var tokenResponse []Token
-
 	u := url.URL{
 		Scheme: "https",
 		Host:   c.endpoint,
@@ -233,7 +254,13 @@ func (c *TZKT) GetContractToken(contract, tokenID string) (Token, error) {
 		}.Encode(),
 	}
 
-	req, _ := http.NewRequest("GET", u.String(), nil)
+	var tokenResponse []Token
+
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return Token{}, err
+	}
+
 	if err := c.request(req, &tokenResponse); err != nil {
 		return Token{}, err
 	}