diff --git a/core/cli/configure.go b/core/cli/configure.go
index a533aba..4b13ebb 100644
--- a/core/cli/configure.go
+++ b/core/cli/configure.go
@@ -102,7 +102,25 @@ func runE(cmd *cobra.Command, _ []string) error {
 		return err
 	}
 
-	resp, err := client.New(url)
+	token, err := tui.StringPrompt("enter permify token", "", config.CliConfig.Token)
+	if err != nil {
+		return err
+	}
+
+	certPath, err := tui.StringPrompt("enter cert path", "", config.CliConfig.CertPath)
+	if err != nil {
+		return err
+	}
+
+	certKey, err := tui.StringPrompt("enter cert key", "", config.CliConfig.CertKey)
+	if err != nil {
+		return err
+	}
+
+	resp, err := client.New(url, token, certPath, certKey)
+	if err != nil {
+		return err
+	}
 
 	// Todo: Implement pagination
 	tenants, err := resp.Tenancy.List(context.Background(), &v1.TenantListRequest{})
@@ -122,8 +140,12 @@ func runE(cmd *cobra.Command, _ []string) error {
 	if err != nil {
 		logger.Log.Error(err)
 	}
+
 	config.CliConfig.PermifyURL = url
 	config.CliConfig.Tenant = tenantIds[tenant]
+	config.CliConfig.Token = token
+	config.CliConfig.CertPath = certPath
+	config.CliConfig.CertKey = certKey
 	err = config.Write()
 	if err != nil {
 		logger.Log.Error(err)
diff --git a/core/client/grpc.go b/core/client/grpc.go
index 11835df..beed3f0 100644
--- a/core/client/grpc.go
+++ b/core/client/grpc.go
@@ -2,19 +2,58 @@
 package client
 
 import (
+	"context"
+	"crypto/tls"
+
 	permify "github.com/Permify/permify-go/v1"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/metadata"
 )
 
 // New initializes a new permify client
-func New(endpoint string) (*permify.Client, error) {
+func New(endpoint string, token string, certPath string, certKey string) (*permify.Client, error) {
+	var opts []grpc.DialOption
+
+	if certPath != "" {
+		var creds credentials.TransportCredentials
+		if certKey != "" {
+			certificate, err := tls.LoadX509KeyPair(certPath, certKey)
+			if err != nil {
+				return nil, err
+			}
+			creds = credentials.NewTLS(&tls.Config{
+				Certificates: []tls.Certificate{certificate},
+			})
+		} else {
+			var err error
+			creds, err = credentials.NewClientTLSFromFile(certPath, "")
+			if err != nil {
+				return nil, err
+			}
+		}
+		opts = append(opts, grpc.WithTransportCredentials(creds))
+	} else {
+		opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))
+	}
+
+	if token != "" {
+		opts = append(opts, grpc.WithUnaryInterceptor(func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
+			ctx = metadata.AppendToOutgoingContext(ctx, "authorization", "Bearer "+token)
+			return invoker(ctx, method, req, reply, cc, opts...)
+		}))
+		opts = append(opts, grpc.WithStreamInterceptor(func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
+			ctx = metadata.AppendToOutgoingContext(ctx, "authorization", "Bearer "+token)
+			return streamer(ctx, desc, cc, method, opts...)
+		}))
+	}
+
 	client, err := permify.NewClient(
 		permify.Config{
 			Endpoint: endpoint,
 		},
-		// Todo: Implement secure call with tls certificate
-		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		opts...,
 	)
 	return client, err
 }
diff --git a/core/cmd/data/client.go b/core/cmd/data/client.go
index a567b61..c860a0b 100644
--- a/core/cmd/data/client.go
+++ b/core/cmd/data/client.go
@@ -10,7 +10,7 @@ import (
 )
 
 func Client() v1.DataClient {
-	c, err := client.New(config.CliConfig.PermifyURL)
+	c, err := client.New(config.CliConfig.PermifyURL, config.CliConfig.Token, config.CliConfig.CertPath, config.CliConfig.CertKey)
 	if err != nil {
 		log.Error("Error initializing permify client. Check the configuration or rerun `permify configure`")
 		os.Exit(-1)	
diff --git a/core/cmd/permission/client.go b/core/cmd/permission/client.go
index 092f240..e729d1f 100644
--- a/core/cmd/permission/client.go
+++ b/core/cmd/permission/client.go
@@ -10,7 +10,7 @@ import (
 )
 
 func Client() v1.PermissionClient {
-	c, err := client.New(config.CliConfig.PermifyURL)
+	c, err := client.New(config.CliConfig.PermifyURL, config.CliConfig.Token, config.CliConfig.CertPath, config.CliConfig.CertKey)
 	if err != nil {
 		log.Error("Error initializing permify client. Check the configuration or rerun `permify configure`")
 		os.Exit(-1)	
diff --git a/core/cmd/schema/client.go b/core/cmd/schema/client.go
index 6d0f3c1..a9a71f4 100644
--- a/core/cmd/schema/client.go
+++ b/core/cmd/schema/client.go
@@ -10,7 +10,7 @@ import (
 )
 
 func Client() v1.SchemaClient {
-	c, err := client.New(config.CliConfig.PermifyURL)
+	c, err := client.New(config.CliConfig.PermifyURL, config.CliConfig.Token, config.CliConfig.CertPath, config.CliConfig.CertKey)
 	if err != nil {
 		log.Error("Error initializing permify client. Check the configuration or rerun `permify configure`")
 		os.Exit(-1)	
diff --git a/core/cmd/tenancy/client.go b/core/cmd/tenancy/client.go
index 74c8213..9d94ccc 100644
--- a/core/cmd/tenancy/client.go
+++ b/core/cmd/tenancy/client.go
@@ -10,7 +10,7 @@ import (
 )
 
 func Client() v1.TenancyClient {
-	c, err := client.New(config.CliConfig.PermifyURL)
+	c, err := client.New(config.CliConfig.PermifyURL, config.CliConfig.Token, config.CliConfig.CertPath, config.CliConfig.CertKey)
 	if err != nil {
 		log.Error("Error initializing permify client. Check the configuration or rerun `permify configure`")
 		os.Exit(-1)	
diff --git a/core/config/config.go b/core/config/config.go
index c9bdebb..33fe8c8 100644
--- a/core/config/config.go
+++ b/core/config/config.go
@@ -27,6 +27,9 @@ type ProfileConfigs struct {
 type CoreConfig struct {
 	PermifyURL			 string  `yaml:"permify_url"`
 	Tenant 				 string  `yaml:"tenant"`
+	Token				 string  `yaml:"token"`
+	CertPath			 string  `yaml:"cert_path"`
+	CertKey				 string  `yaml:"cert_key"`
 	SslEnabled           bool    `yaml:"-"`
 }