diff --git a/.gitignore b/.gitignore
index 82f23b9..d7c0b43 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,5 +4,8 @@ dist/
 .idea/
 .DS_Store
 
+# config file
+config.*
+
 # temporary disabled
 go.sum
\ No newline at end of file
diff --git a/cmd/cfg.go b/cmd/cfg.go
new file mode 100644
index 0000000..72da6f1
--- /dev/null
+++ b/cmd/cfg.go
@@ -0,0 +1,20 @@
+package cmd
+
+import "github.com/spf13/viper"
+
+func init() {
+	parseConfig()
+}
+
+func parseConfig() {
+	viper.SetConfigName("config") // name of config file (without extension)
+	viper.AddConfigPath(".")      // optionally look for config in the working directory
+	if err := viper.ReadInConfig(); err != nil {
+		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
+			// Config file not found; ignoring error
+		} else {
+			// incorrect config, etc
+			panic(err)
+		}
+	}
+}
diff --git a/cmd/file.go b/cmd/file.go
index beefbb8..e380e98 100644
--- a/cmd/file.go
+++ b/cmd/file.go
@@ -123,6 +123,9 @@ func init() {
 	// general flags
 	flagProjectId(fileCmd, true)
 
+	// List
+	// todo list options
+
 	// Download
 	fs := fileDownloadCmd.Flags()
 	fs.StringVar(&downloadOpts.Format, "format", "", "File format (e.g. json, strings, xml). Must be file extension of any of the file formats we support. May also be ios_sdk or android_sdk for respective OTA SDK bundles. (required)")
diff --git a/cmd/key.go b/cmd/key.go
index 5b891ac..9b6df67 100644
--- a/cmd/key.go
+++ b/cmd/key.go
@@ -34,12 +34,14 @@ var keyListCmd = &cobra.Command{
 	Short: "List all keys",
 	Long:  "Lists all keys in the project.",
 	RunE: func(*cobra.Command, []string) error {
+		k := Api.Keys()
 		// preparing filters
+		keyListOpts.Limit = k.ListOpts().Limit
 		if filterUntranslated {
 			keyListOpts.FilterUntranslated = "1"
 		}
 
-		resp, err := Api.Keys().WithListOptions(keyListOpts).List(projectId)
+		resp, err := k.WithListOptions(keyListOpts).List(projectId)
 		if err != nil {
 			return err
 		}
diff --git a/cmd/project.go b/cmd/project.go
index 4297d55..3c13346 100644
--- a/cmd/project.go
+++ b/cmd/project.go
@@ -3,9 +3,10 @@ package cmd
 import (
 	"encoding/json"
 	"fmt"
-
 	"github.com/lokalise/go-lokalise-api"
 	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
 )
 
 var (
@@ -56,6 +57,7 @@ var projectListCmd = &cobra.Command{
 
 		p := Api.Projects()
 		opts := lokalise.ProjectListOptions{
+			Limit:           p.ListOpts().Limit,
 			IncludeSettings: fmt.Sprintf("%d", includeSettings),
 			IncludeStat:     fmt.Sprintf("%d", includeStatistics),
 			FilterTeamID:    filterTeamID,
@@ -163,11 +165,17 @@ func init() {
 }
 
 func flagProjectId(cmd *cobra.Command, isPersistent bool) {
+	var fs *pflag.FlagSet
+	var defaultPID string
+
 	if isPersistent {
-		cmd.PersistentFlags().StringVar(&projectId, "project-id", "", "A unique project identifier (required).")
-		_ = cmd.MarkPersistentFlagRequired("project-id")
+		fs = cmd.PersistentFlags()
+		defaultPID = viper.GetString("project-id")
 	} else {
-		cmd.Flags().StringVar(&projectId, "project-id", "", "A unique project identifier (required).")
-		_ = cmd.MarkFlagRequired("project-id")
+		fs = cmd.Flags()
+		defaultPID = ""
 	}
+
+	fs.StringVar(&projectId, "project-id", defaultPID, "Unique project identifier (required).")
+	_ = cmd.MarkFlagRequired("project-id")
 }
diff --git a/cmd/root.go b/cmd/root.go
index 792ec32..39f907a 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -3,14 +3,16 @@ package cmd
 import (
 	"encoding/json"
 	"fmt"
-	"github.com/lokalise/go-lokalise-api"
 	"os"
 
+	"github.com/lokalise/go-lokalise-api"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 )
 
 const (
-	Version = "2.0"
+	Version          = "2.0"
+	DefaultPageLimit = 5000
 )
 
 var (
@@ -25,7 +27,20 @@ var rootCmd = &cobra.Command{
 	Version: Version,
 	PersistentPreRunE: func(cmd *cobra.Command, args []string) (err error) {
 		// init Api, runs like a middleware
-		Api, err = lokalise.New(Token)
+		perPage := viper.GetUint("page-limit")
+		if perPage == 0 {
+			perPage = DefaultPageLimit
+		}
+
+		Api, err = lokalise.New(
+			viper.GetString("token"),
+
+			lokalise.WithDebug(viper.GetBool("debug")),
+			lokalise.WithRetryCount(viper.GetInt("retry-count")),
+			lokalise.WithRetryTimeout(viper.GetDuration("retry-timeout")),
+			lokalise.WithConnectionTimeout(viper.GetDuration("connection-timeout")),
+			lokalise.WithPageLimit(perPage),
+		)
 		return err
 	},
 }
@@ -40,9 +55,17 @@ func Execute() {
 }
 
 func init() {
-	// API Token, used for all commands
-	rootCmd.PersistentFlags().StringVarP(&Token, "token", "t", "", "API token (required). You can create API tokens at https://lokalise.com/profile.")
-	_ = rootCmd.MarkPersistentFlagRequired("token")
+	// init API Token, used for all commands
+	if viper.GetString("token") == "" {
+		// if not found in config
+		rootCmd.PersistentFlags().StringVarP(&Token, "token", "t", "", "API token (required). You can create API tokens at https://lokalise.com/profile.")
+		_ = rootCmd.MarkPersistentFlagRequired("token")
+
+	} else {
+		rootCmd.PersistentFlags().StringVarP(&Token, "token", "t", "", "API token (override value from config if desired).")
+	}
+	// binding
+	_ = viper.BindPFlag("token", rootCmd.PersistentFlags().Lookup("token"))
 }
 
 // ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
diff --git a/cmd/screenshot.go b/cmd/screenshot.go
index 61c4042..14b6c83 100644
--- a/cmd/screenshot.go
+++ b/cmd/screenshot.go
@@ -114,6 +114,9 @@ func init() {
 	// general flags
 	flagProjectId(screenshotCmd, true)
 
+	// List
+	// todo ScreenshotListOptions ?
+
 	// Create
 	fs := screenshotCreateCmd.Flags()
 	fs.StringVar(&newScreenshotFile, "file", "", "Path to a local image file (required).")
diff --git a/cmd/task.go b/cmd/task.go
index 2fdabc4..1a952d6 100644
--- a/cmd/task.go
+++ b/cmd/task.go
@@ -33,8 +33,10 @@ var taskListCmd = &cobra.Command{
 	Short: "List all tasks",
 	Long:  "Lists all tasks in the project.",
 	RunE: func(*cobra.Command, []string) error {
+		t := Api.Tasks()
+		t.SetListOptions(lokalise.TaskListOptions{Title: filterTitle, Limit: t.ListOpts().Limit})
 
-		resp, err := Api.Tasks().WithListOptions(lokalise.TaskListOptions{Title: filterTitle}).List(projectId)
+		resp, err := t.List(projectId)
 		if err != nil {
 			return err
 		}
diff --git a/cmd/translation.go b/cmd/translation.go
index 9823969..83aba83 100644
--- a/cmd/translation.go
+++ b/cmd/translation.go
@@ -24,8 +24,10 @@ var translationListCmd = &cobra.Command{
 	Short: "List all translations",
 	Long:  "Retrieves a list of project translation items, ungrouped. You may want to request Keys resource in order to get the structured key/translation pairs for all languages.",
 	RunE: func(*cobra.Command, []string) error {
+		t := Api.Translations()
+		translationListOpts.Limit = t.ListOpts().Limit
 
-		resp, err := Api.Translations().WithListOptions(translationListOpts).List(projectId)
+		resp, err := t.WithListOptions(translationListOpts).List(projectId)
 		if err != nil {
 			return err
 		}
diff --git a/go.mod b/go.mod
index 38a6bbd..16911e5 100644
--- a/go.mod
+++ b/go.mod
@@ -3,4 +3,8 @@ module github.com/lokalise/lokalise-cli-2-go
 require (
 	github.com/lokalise/go-lokalise-api v0.0.0-20191011031534-989e1415dc95
 	github.com/spf13/cobra v0.0.5
+	github.com/spf13/pflag v1.0.3
+	github.com/spf13/viper v1.4.0
 )
+
+replace github.com/lokalise/go-lokalise-api => ../go-lokalise-api
diff --git a/main.go b/main.go
index ca042bb..0014726 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,8 @@
 package main
 
-import "github.com/lokalise/lokalise-cli-2-go/cmd"
+import (
+	"github.com/lokalise/lokalise-cli-2-go/cmd"
+)
 
 func main() {
 	cmd.Execute()