diff --git a/.github/workflows/typos.yml b/.github/workflows/typos.yml
new file mode 100644
index 00000000..1deddd31
--- /dev/null
+++ b/.github/workflows/typos.yml
@@ -0,0 +1,16 @@
+#  https://github.com/crate-ci/typos/blob/master/docs/github-action.md
+
+name: Typos
+
+on: [pull_request]
+
+jobs:
+  run:
+    name: Spell check with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: clone repo
+        uses: actions/checkout@v4
+
+      - name: check spelling
+        uses: crate-ci/typos@master
diff --git a/account/account.go b/account/account.go
index 2c63d82d..7dde9bdc 100644
--- a/account/account.go
+++ b/account/account.go
@@ -14,9 +14,9 @@ import (
 )
 
 var (
-	ErrNotAllParametersSet   = errors.New("Not all neccessary parameters have been set")
-	ErrTxnTypeUnSupported    = errors.New("Unsupported transction type")
-	ErrTxnVersionUnSupported = errors.New("Unsupported transction version")
+	ErrNotAllParametersSet   = errors.New("Not all necessary parameters have been set")
+	ErrTxnTypeUnSupported    = errors.New("Unsupported transaction type")
+	ErrTxnVersionUnSupported = errors.New("Unsupported transaction version")
 	ErrFeltToBigInt          = errors.New("Felt to BigInt error")
 )
 
@@ -939,7 +939,7 @@ func FmtCallDataCairo0(callArray []rpc.FunctionCall) []*felt.Felt {
 	return calldata
 }
 
-// FmtCallDataCairo2 generates the calldata for the given function calls for Cairo 2 contracs.
+// FmtCallDataCairo2 generates the calldata for the given function calls for Cairo 2 contracts.
 //
 // Parameters:
 // - fnCalls: a slice of rpc.FunctionCall containing the function calls.
diff --git a/curve/curve.go b/curve/curve.go
index ae4b0d69..01278ae8 100644
--- a/curve/curve.go
+++ b/curve/curve.go
@@ -2,7 +2,7 @@ package curve
 
 /*
 	Although the library adheres to the 'elliptic/curve' interface.
-	All testing has been done against library function explicity.
+	All testing has been done against library function explicitly.
 	It is recommended to use in the same way(i.e. `curve.Sign` and not `ecdsa.Sign`).
 */
 import (
diff --git a/curve/curve_test.go b/curve/curve_test.go
index 6964915d..6bb216e5 100644
--- a/curve/curve_test.go
+++ b/curve/curve_test.go
@@ -333,7 +333,7 @@ func TestGeneral_HashAndSign(t *testing.T) {
 		big.NewInt(1953658213),
 	})
 	if err != nil {
-		t.Errorf("Hasing elements: %v\n", err)
+		t.Errorf("Hashing elements: %v\n", err)
 	}
 
 	priv, _ := Curve.GetRandomPrivateKey()
diff --git a/hash/hash.go b/hash/hash.go
index b669753b..48187fbf 100644
--- a/hash/hash.go
+++ b/hash/hash.go
@@ -69,7 +69,7 @@ func CalculateTransactionHashCommon(
 // The hash is calculated using the PoseidonArray function from the Curve package.
 // The elements used in the hash calculation include the contract class version, constructor entry point, external entry point, L1 handler entry point, ABI, and Sierra program.
 // The ABI is converted to bytes and then hashed using the StarknetKeccak function from the Curve package.
-// Finally, the ContractClassVersionHash, ExternalHash, L1HandleHash, ConstructorHash, ABIHash, and SierraProgamHash are combined using the PoseidonArray function from the Curve package.
+// Finally, the ContractClassVersionHash, ExternalHash, L1HandleHash, ConstructorHash, ABIHash, and SierraProgramHash are combined using the PoseidonArray function from the Curve package.
 //
 // Parameters:
 // - contract: A contract class object of type rpc.ContractClass.
@@ -84,14 +84,14 @@ func ClassHash(contract rpc.ContractClass) (*felt.Felt, error) {
 	ConstructorHash := hashEntryPointByType(contract.EntryPointsByType.Constructor)
 	ExternalHash := hashEntryPointByType(contract.EntryPointsByType.External)
 	L1HandleHash := hashEntryPointByType(contract.EntryPointsByType.L1Handler)
-	SierraProgamHash := curve.Curve.PoseidonArray(contract.SierraProgram...)
+	SierraProgramHash := curve.Curve.PoseidonArray(contract.SierraProgram...)
 	ABIHash, err := curve.Curve.StarknetKeccak([]byte(contract.ABI))
 	if err != nil {
 		return nil, err
 	}
 
 	// https://docs.starknet.io/documentation/architecture_and_concepts/Network_Architecture/transactions/#deploy_account_hash_calculation
-	return curve.Curve.PoseidonArray(ContractClassVersionHash, ExternalHash, L1HandleHash, ConstructorHash, ABIHash, SierraProgamHash), nil
+	return curve.Curve.PoseidonArray(ContractClassVersionHash, ExternalHash, L1HandleHash, ConstructorHash, ABIHash, SierraProgramHash), nil
 }
 
 // hashEntryPointByType calculates the hash of an entry point by type.
diff --git a/hash/hash_test.go b/hash/hash_test.go
index f6dc989a..efb4afc9 100644
--- a/hash/hash_test.go
+++ b/hash/hash_test.go
@@ -11,10 +11,10 @@ import (
 	"github.com/test-go/testify/require"
 )
 
-// TestUnmarshalCasmClassHash is a test function that tests the unmarshaling of a CasmClass hash.
+// TestUnmarshalCasmClassHash is a test function that tests the unmarshalling of a CasmClass hash.
 //
 // It reads the content of the "./tests/hello_starknet_compiled.casm.json" file and unmarshals it into a contracts.CasmClass variable.
-// The function returns an assertion error if there is an error reading the file or unmarshaling the content.
+// The function returns an assertion error if there is an error reading the file or unmarshalling the content.
 // Parameters:
 // - t: A testing.T object used for running the test and reporting any failures.
 // Returns:
diff --git a/rpc/json_test.go b/rpc/json_test.go
index 619d5c00..deaa692e 100644
--- a/rpc/json_test.go
+++ b/rpc/json_test.go
@@ -73,7 +73,7 @@ func TestJSONMultiTypeArrayWithDuck(t *testing.T) {
 	}
 }
 
-// TestJSONMixingStructWithMap tests the JSON unmarshaling of a struct that mixes fields and a map.
+// TestJSONMixingStructWithMap tests the JSON unmarshalling of a struct that mixes fields and a map.
 //
 // This function checks if the JSON content can be successfully unmarshaled into a struct that contains
 // a mixture of fields and a map (map[string]interface{}).
diff --git a/rpc/types.go b/rpc/types.go
index e0fc7d47..bea6b7f0 100644
--- a/rpc/types.go
+++ b/rpc/types.go
@@ -142,7 +142,7 @@ func (s SyncStatus) MarshalJSON() ([]byte, error) {
 //	-data: It takes a byte slice as input representing the JSON data to be unmarshaled.
 //
 // Returns:
-// - error: an error if the unmarshaling fails
+// - error: an error if the unmarshalling fails
 func (s *SyncStatus) UnmarshalJSON(data []byte) error {
 	return json.Unmarshal(data, s)
 
@@ -213,7 +213,7 @@ const (
 // Parameters:
 // - data: It takes a byte slice as a parameter, which represents the JSON data to be unmarshalled
 // Returns:
-// - error: an error if the unmarshaling fails
+// - error: an error if the unmarshalling fails
 func (ts *TxnExecutionStatus) UnmarshalJSON(data []byte) error {
 	unquoted, err := strconv.Unquote(string(data))
 	if err != nil {
@@ -270,7 +270,7 @@ const (
 // Parameters:
 // - data: It takes a byte slice as a parameter, which represents the JSON data to be unmarshalled
 // Returns:
-// - error: an error if the unmarshaling fails
+// - error: an error if the unmarshalling fails
 func (ts *TxnFinalityStatus) UnmarshalJSON(data []byte) error {
 	unquoted, err := strconv.Unquote(string(data))
 	if err != nil {
diff --git a/rpc/types_block.go b/rpc/types_block.go
index 34150cfe..73e1848d 100644
--- a/rpc/types_block.go
+++ b/rpc/types_block.go
@@ -70,12 +70,12 @@ const (
 // UnmarshalJSON unmarshals the JSON representation of a BlockStatus.
 //
 // It takes in a byte slice containing the JSON data to be unmarshaled.
-// The function returns an error if there is an issue unmarshaling the data.
+// The function returns an error if there is an issue unmarshalling the data.
 //
 // Parameters:
 // - data: It takes a byte slice as a parameter, which represents the JSON data to be unmarshaled
 // Returns:
-// - error: an error if the unmarshaling fails
+// - error: an error if the unmarshalling fails
 func (bs *BlockStatus) UnmarshalJSON(data []byte) error {
 	unquoted, err := strconv.Unquote(string(data))
 	if err != nil {
diff --git a/rpc/types_block_transaction.go b/rpc/types_block_transaction.go
index fb734cfb..c3913bce 100644
--- a/rpc/types_block_transaction.go
+++ b/rpc/types_block_transaction.go
@@ -176,7 +176,7 @@ func (txns *BlockTransactions) UnmarshalJSON(data []byte) error {
 // - t: The interface{} to be unmarshalled
 // Returns:
 // - BlockTransaction: a BlockTransaction
-// - error: an error if the unmarshaling process fails
+// - error: an error if the unmarshalling process fails
 func unmarshalBlockTxn(t interface{}) (BlockTransaction, error) {
 	switch casted := t.(type) {
 	case map[string]interface{}:
diff --git a/rpc/types_contract.go b/rpc/types_contract.go
index 7dc88b25..47933f9e 100644
--- a/rpc/types_contract.go
+++ b/rpc/types_contract.go
@@ -202,7 +202,7 @@ type StructABIEntry struct {
 	// The event name
 	Name string `json:"name"`
 
-	// todo(minumum size should be 1)
+	// todo(minimum size should be 1)
 	Size uint64 `json:"size"`
 
 	Members []Member `json:"members"`
diff --git a/rpc/types_transaction.go b/rpc/types_transaction.go
index 96e26660..5afb6efc 100644
--- a/rpc/types_transaction.go
+++ b/rpc/types_transaction.go
@@ -263,7 +263,7 @@ func (txn *UnknownTransaction) UnmarshalJSON(data []byte) error {
 // - t: The interface{} to be unmarshalled
 // Returns:
 // - Transaction: a Transaction object
-// - error: an error if the unmarshaling process fails
+// - error: an error if the unmarshalling process fails
 func unmarshalTxn(t interface{}) (Transaction, error) {
 	switch casted := t.(type) {
 	case map[string]interface{}:
@@ -321,7 +321,7 @@ func unmarshalTxn(t interface{}) (Transaction, error) {
 // - v: The interface{} value to be marshaled
 // - dst: The interface{} value to be unmarshaled
 // Returns:
-// - error: An error if the marshaling or unmarshaling process fails
+// - error: An error if the marshaling or unmarshalling process fails
 func remarshal(v interface{}, dst interface{}) error {
 	data, err := json.Marshal(v)
 	if err != nil {
diff --git a/rpc/types_transaction_receipt.go b/rpc/types_transaction_receipt.go
index c3daf2f1..d4969d41 100644
--- a/rpc/types_transaction_receipt.go
+++ b/rpc/types_transaction_receipt.go
@@ -85,12 +85,12 @@ const (
 //
 // If none of the supported values match the input data, the function returns an error.
 //
-//	nil if the unmarshaling is successful.
+//	nil if the unmarshalling is successful.
 //
 // Parameters:
 // - data: It takes a byte slice as input representing the JSON data to be unmarshaled
 // Returns:
-// - error: an error if the unmarshaling fails
+// - error: an error if the unmarshalling fails
 func (tt *TransactionType) UnmarshalJSON(data []byte) error {
 	unquoted, err := strconv.Unquote(string(data))
 	if err != nil {
@@ -468,7 +468,7 @@ type UnknownTransactionReceipt struct{ TransactionReceipt }
 // Parameters:
 // - data: It takes a byte slice as a parameter, which represents the JSON data to be unmarshalled
 // Returns:
-// - error: an error if the unmarshaling fails
+// - error: an error if the unmarshalling fails
 func (tr *UnknownTransactionReceipt) UnmarshalJSON(data []byte) error {
 	var dec map[string]interface{}
 	if err := json.Unmarshal(data, &dec); err != nil {
@@ -489,7 +489,7 @@ func (tr *UnknownTransactionReceipt) UnmarshalJSON(data []byte) error {
 // - t: The interface{} to be unmarshalled
 // Returns:
 // - TransactionReceipt: a TransactionReceipt
-// - error: an error if the unmarshaling fails
+// - error: an error if the unmarshalling fails
 func unmarshalTransactionReceipt(t interface{}) (TransactionReceipt, error) {
 	switch casted := t.(type) {
 	case map[string]interface{}:
diff --git a/rpc/write_test.go b/rpc/write_test.go
index 2b90b8de..25a73aa9 100644
--- a/rpc/write_test.go
+++ b/rpc/write_test.go
@@ -77,7 +77,7 @@ func TestDeclareTransaction(t *testing.T) {
 				t.Fatal("should be able to read file", err)
 			}
 			var declareTx AddDeclareTxnInput
-			require.Nil(t, json.Unmarshal(declareTxJSON, &declareTx), "Error unmarshalling decalreTx")
+			require.Nil(t, json.Unmarshal(declareTxJSON, &declareTx), "Error unmarshalling declareTx")
 			test.DeclareTx = declareTx
 		}
 
@@ -178,7 +178,7 @@ func TestAddInvokeTransaction(t *testing.T) {
 	}
 }
 
-func TestAddDeployAccountTansaction(t *testing.T) {
+func TestAddDeployAccountTransaction(t *testing.T) {
 
 	testConfig := beforeEach(t)
 
diff --git a/typed/typed.go b/typed/typed.go
index 67373bcf..9e5c8d1f 100644
--- a/typed/typed.go
+++ b/typed/typed.go
@@ -77,7 +77,7 @@ func strToFelt(str string) *felt.Felt {
 		f.SetBytes(b.Bytes())
 		return f
 	}
-	// TODO: revisit conversation on seperate 'ShortString' conversion
+	// TODO: revisit conversation on separate 'ShortString' conversion
 	if asciiRegexp.MatchString(str) {
 		hexStr := hex.EncodeToString([]byte(str))
 		if b, ok := new(big.Int).SetString(hexStr, 16); ok {