diff --git a/cli/message.go b/cli/message.go
index e69a3310a6d..4c690a9d04b 100644
--- a/cli/message.go
+++ b/cli/message.go
@@ -25,7 +25,7 @@ var cmdMessages = []cobra.Command{
 		},
 	},
 	{
-		Use:   "read <channel_id.subtopic> <thing_key>",
+		Use:   "read <channel_id.subtopic> <user_token>",
 		Short: "Read messages",
 		Long:  `Reads all channel messages`,
 		Run: func(cmd *cobra.Command, args []string) {
diff --git a/pkg/sdk/go/bootstrap.go b/pkg/sdk/go/bootstrap.go
index 61d5e3050d5..55aae01f2fa 100644
--- a/pkg/sdk/go/bootstrap.go
+++ b/pkg/sdk/go/bootstrap.go
@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"strings"
 
+	"github.com/mainflux/mainflux/internal/apiutil"
 	"github.com/mainflux/mainflux/pkg/errors"
 )
 
@@ -125,9 +126,9 @@ func (sdk mfSDK) RemoveBootstrap(id, token string) errors.SDKError {
 	return err
 }
 
-func (sdk mfSDK) Bootstrap(externalKey, externalID string) (BootstrapConfig, errors.SDKError) {
+func (sdk mfSDK) Bootstrap(externalID, externalKey string) (BootstrapConfig, errors.SDKError) {
 	url := fmt.Sprintf("%s/%s/%s", sdk.bootstrapURL, bootstrapEndpoint, externalID)
-	_, body, err := sdk.processRequest(http.MethodGet, url, externalKey, string(CTJSON), nil, http.StatusOK)
+	_, body, err := sdk.processRequest(http.MethodGet, url, apiutil.ThingPrefix+externalKey, string(CTJSON), nil, http.StatusOK)
 	if err != nil {
 		return BootstrapConfig{}, err
 	}
diff --git a/pkg/sdk/go/sdk.go b/pkg/sdk/go/sdk.go
index f94ae4d9c7a..9462951e7a7 100644
--- a/pkg/sdk/go/sdk.go
+++ b/pkg/sdk/go/sdk.go
@@ -230,7 +230,7 @@ type SDK interface {
 	RemoveBootstrap(id, token string) errors.SDKError
 
 	// Bootstrap returns Config to the Thing with provided external ID using external key.
-	Bootstrap(externalKey, externalID string) (BootstrapConfig, errors.SDKError)
+	Bootstrap(externalID, externalKey string) (BootstrapConfig, errors.SDKError)
 
 	// Whitelist updates Thing state Config with given ID belonging to the user identified by the given token.
 	Whitelist(cfg BootstrapConfig, token string) errors.SDKError