diff --git a/go.mod b/go.mod
index 75dfe0c..4e8fd28 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/celogeek/piwigo-cli
 go 1.17
 
 require (
+	github.com/grokify/html-strip-tags-go v0.0.1 // indirect
 	github.com/jedib0t/go-pretty/v6 v6.2.4 // indirect
 	github.com/jessevdk/go-flags v1.5.0 // indirect
 	github.com/mattn/go-runewidth v0.0.9 // indirect
diff --git a/go.sum b/go.sum
index f9b53c7..4022a11 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fzipp/gocyclo v0.3.1/go.mod h1:DJHO6AUmbdqj2ET4Z9iArSuwWgYDRryYt2wASxc7x3E=
+github.com/grokify/html-strip-tags-go v0.0.1 h1:0fThFwLbW7P/kOiTBs03FsJSV9RM2M/Q/MOnCQxKMo0=
+github.com/grokify/html-strip-tags-go v0.0.1/go.mod h1:2Su6romC5/1VXOQMaWL2yb618ARB8iVo6/DR99A6d78=
 github.com/jedib0t/go-pretty/v6 v6.2.4 h1:wdaj2KHD2W+mz8JgJ/Q6L/T5dB7kyqEFI16eLq7GEmk=
 github.com/jedib0t/go-pretty/v6 v6.2.4/go.mod h1:+nE9fyyHGil+PuISTCrp7avEdo6bqoMwqZnuiK2r2a0=
 github.com/jessevdk/go-flags v1.5.0 h1:1jKYvbxEjfUl0fmqTCOfonvskHHXMjBySTLW4y9LFvc=
diff --git a/internal/piwigocli/categories_list.go b/internal/piwigocli/categories_list.go
index 56be92e..53dcfc4 100644
--- a/internal/piwigocli/categories_list.go
+++ b/internal/piwigocli/categories_list.go
@@ -14,10 +14,10 @@ type CategoriesListCommand struct {
 }
 
 type Category struct {
-	Id          int
-	Name        string
-	FullName    string
-	ImagesCount int
+	Id          int    `json:"id,string"`
+	Name        string `json:"name"`
+	FullName    string `json:"fullname"`
+	ImagesCount int    `json:"nb_images,string"`
 }
 
 func getInt(n interface{}) (r int) {
diff --git a/internal/piwigocli/reflexion.go b/internal/piwigocli/reflexion.go
new file mode 100644
index 0000000..fb49cbf
--- /dev/null
+++ b/internal/piwigocli/reflexion.go
@@ -0,0 +1,12 @@
+package piwigocli
+
+type ReflexionGroup struct {
+	MethodList    ReflexionMethodListCommand    `command:"method-list" description:"List of available methods"`
+	MethodDetails ReflexionMethodDetailsCommand `command:"method-details" description:"Details of a method"`
+}
+
+var reflexionGroup ReflexionGroup
+
+func init() {
+	parser.AddCommand("reflexion", "Reflexion management", "", &reflexionGroup)
+}
diff --git a/internal/piwigocli/reflexion_method_details.go b/internal/piwigocli/reflexion_method_details.go
new file mode 100644
index 0000000..c7f08d9
--- /dev/null
+++ b/internal/piwigocli/reflexion_method_details.go
@@ -0,0 +1,52 @@
+package piwigocli
+
+import (
+	"net/url"
+	"os"
+
+	"github.com/celogeek/piwigo-cli/internal/piwigo"
+	strip "github.com/grokify/html-strip-tags-go"
+	"github.com/jedib0t/go-pretty/v6/table"
+)
+
+type ReflexionMethodDetailsCommand struct {
+	MethodName string `short:"m" long:"method-name" description:"Method name to details"`
+}
+
+type ReflexionMethodDetailsResult struct {
+	Description string `json:"description"`
+}
+
+func (c *ReflexionMethodDetailsCommand) Execute(args []string) error {
+	p := piwigo.Piwigo{}
+	if err := p.LoadConfig(); err != nil {
+		return err
+	}
+
+	_, err := p.Login()
+	if err != nil {
+		return err
+	}
+
+	var result ReflexionMethodDetailsResult
+
+	if err := p.Post("reflection.getMethodDetails", &url.Values{
+		"methodName": []string{c.MethodName},
+	}, &result); err != nil {
+		return err
+	}
+
+	desc := strip.StripTags(result.Description)
+
+	t := table.NewWriter()
+	t.AppendRow(table.Row{"Method", c.MethodName})
+	t.AppendSeparator()
+	t.AppendRow(table.Row{"Description", desc})
+	t.AppendSeparator()
+	t.AppendRow(table.Row{"Parameters"})
+	t.SetOutputMirror(os.Stdout)
+	t.SetStyle(table.StyleLight)
+	t.Render()
+
+	return nil
+}
diff --git a/internal/piwigocli/reflexion_method_list.go b/internal/piwigocli/reflexion_method_list.go
new file mode 100644
index 0000000..36d733a
--- /dev/null
+++ b/internal/piwigocli/reflexion_method_list.go
@@ -0,0 +1,46 @@
+package piwigocli
+
+import (
+	"os"
+
+	"github.com/celogeek/piwigo-cli/internal/piwigo"
+	"github.com/jedib0t/go-pretty/v6/table"
+)
+
+type ReflexionMethodListCommand struct{}
+
+type ReflexionMethodListResult struct {
+	Methods []string `json:"methods"`
+}
+
+func (c *ReflexionMethodListCommand) Execute(args []string) error {
+	p := piwigo.Piwigo{}
+	if err := p.LoadConfig(); err != nil {
+		return err
+	}
+
+	_, err := p.Login()
+	if err != nil {
+		return err
+	}
+
+	var result ReflexionMethodListResult
+
+	if err := p.Post("reflection.getMethodList", nil, &result); err != nil {
+		return err
+	}
+
+	t := table.NewWriter()
+
+	t.AppendHeader(table.Row{"Methods"})
+	for _, method := range result.Methods {
+		t.AppendRow(table.Row{
+			method,
+		})
+	}
+	t.SetOutputMirror(os.Stdout)
+	t.SetStyle(table.StyleLight)
+	t.Render()
+
+	return nil
+}