diff --git a/admin/api_theme.go b/admin/api_theme.go
index 52d8d429..48bc0180 100644
--- a/admin/api_theme.go
+++ b/admin/api_theme.go
@@ -1,21 +1,53 @@
 package main
 
 import (
+	"encoding/json"
+	"errors"
 	"strconv"
 )
 
 var ApiThemesRouting = map[string]DispatchFunction{
-	"GET": listTheme,
+	"GET":    listTheme,
+	"POST":   creationTheme,
+	"DELETE": deletionTheme,
+}
+
+type uploadedTheme struct {
+	Name string
+}
+
+type uploadedExercice struct {
+	Title     string
+	Statement string
+	Hint      string
+	Depend    *int
+	Gain      int
+	VideoURI  string
+}
+
+func getTheme(args []string) (Theme, error) {
+	if tid, err := strconv.Atoi(string(args[0])); err != nil {
+		return Theme{}, err
+	} else {
+		return GetTheme(tid)
+	}
+}
+
+func getExercice(args []string) (Exercice, error) {
+	if theme, err := getTheme(args); err != nil {
+		return Exercice{}, err
+	} else if eid, err := strconv.Atoi(string(args[1])); err != nil {
+		return Exercice{}, err
+	} else {
+		return theme.GetExercice(eid)
+	}
 }
 
 func listTheme(args []string, body []byte) (interface{}, error) {
-	if len(args) == 1 {
-		// List given theme
-		if tid, err := strconv.Atoi(string(args[0])); err != nil {
-			return nil, err
-		} else {
-			return GetTheme(tid)
-		}
+	if len(args) == 2 {
+		return getExercice(args)
+	} else if len(args) == 1 {
+		return getTheme(args)
 	} else if len(args) == 0 {
 		// List all themes
 		return GetThemes()
@@ -23,3 +55,64 @@ func listTheme(args []string, body []byte) (interface{}, error) {
 		return nil, nil
 	}
 }
+
+func creationTheme(args []string, body []byte) (interface{}, error) {
+	if len(args) == 1 {
+		if theme, err := getTheme(args); err != nil {
+			return nil, err
+		} else {
+			// Create a new exercice
+			var ue uploadedExercice
+			if err := json.Unmarshal(body, &ue); err != nil {
+				return nil, err
+			}
+
+			if len(ue.Title) == 0 {
+				return nil, errors.New("Title not filled")
+			}
+
+			var depend *Exercice = nil
+			if ue.Depend != nil {
+				if d, err := GetExercice(*ue.Depend); err != nil {
+					return nil, err
+				} else {
+					depend = &d
+				}
+			}
+
+			return theme.AddExercice(ue.Title, ue.Statement, ue.Hint, depend, ue.Gain, ue.VideoURI)
+		}
+	} else if len(args) == 0 {
+		// Create a new theme
+		var ut uploadedTheme
+		if err := json.Unmarshal(body, &ut); err != nil {
+			return nil, err
+		}
+
+		if len(ut.Name) == 0 {
+			return nil, errors.New("Theme's name not filled")
+		}
+
+		return CreateTheme(ut.Name)
+	} else {
+		return nil, nil
+	}
+}
+
+func deletionTheme(args []string, body []byte) (interface{}, error) {
+	if len(args) == 2 {
+		if exercice, err := getExercice(args); err != nil {
+			return nil, err
+		} else {
+			return exercice.Delete()
+		}
+	} else if len(args) == 1 {
+		if theme, err := getTheme(args); err != nil {
+			return nil, err
+		} else {
+			return theme.Delete()
+		}
+	} else {
+		return nil, nil
+	}
+}
diff --git a/admin/exercice.go b/admin/exercice.go
index b7bb1f56..2d9fc1af 100644
--- a/admin/exercice.go
+++ b/admin/exercice.go
@@ -9,11 +9,29 @@ type Exercice struct {
 	Title     string `json:"title"`
 	Statement string `json:"statement"`
 	Hint      string `json:"hint"`
-	Depend    int64  `json:"depend"`
+	Depend    *int64 `json:"depend"`
 	Gain      int64  `json:"gain"`
 	VideoURI  string `json:"videoURI"`
 }
 
+func GetExercice(id int) (Exercice, error) {
+	var e Exercice
+	if err := DBQueryRow("SELECT id_exercice, title, statement, hint, depend, gain, video_uri FROM exercices WHERE id_exercice = ?", id).Scan(&e.Id, &e.Title, &e.Statement, &e.Hint, &e.Depend, &e.Gain, &e.VideoURI); err != nil {
+		return Exercice{}, err
+	}
+
+	return e, nil
+}
+
+func (t Theme) GetExercice(id int) (Exercice, error) {
+	var e Exercice
+	if err := DBQueryRow("SELECT id_exercice, title, statement, hint, depend, gain, video_uri FROM exercices WHERE id_theme = ? AND id_exercice = ?", t.Id, id).Scan(&e.Id, &e.Title, &e.Statement, &e.Hint, &e.Depend, &e.Gain, &e.VideoURI); err != nil {
+		return Exercice{}, err
+	}
+
+	return e, nil
+}
+
 func (t Theme) GetExercices() ([]Exercice, error) {
 	if rows, err := DBQuery("SELECT id_exercice, title, statement, hint, depend, gain, video_uri FROM teams WHERE id_theme = ?", t.Id); err != nil {
 		return nil, err
@@ -37,12 +55,22 @@ func (t Theme) GetExercices() ([]Exercice, error) {
 }
 
 func (t Theme) AddExercice(title string, statement string, hint string, depend *Exercice, gain int, videoURI string) (Exercice, error) {
-	if res, err := DBExec("INSERT INTO exercices (id_theme, title, statement, hint, depend, gain, video_uri) VALUES (?, ?, ?, ?, ?, ?, ?)", t.Id, title, statement, hint, depend.Id, gain, videoURI); err != nil {
+	var dpd interface{}
+	if depend == nil {
+		dpd = nil
+	} else {
+		dpd = depend.Id
+	}
+	if res, err := DBExec("INSERT INTO exercices (id_theme, title, statement, hint, depend, gain, video_uri) VALUES (?, ?, ?, ?, ?, ?, ?)", t.Id, title, statement, hint, dpd, gain, videoURI); err != nil {
 		return Exercice{}, err
 	} else if eid, err := res.LastInsertId(); err != nil {
 		return Exercice{}, err
 	} else {
-		return Exercice{eid, title, statement, hint, depend.Id, int64(gain), videoURI}, nil
+		if depend == nil {
+			return Exercice{eid, title, statement, hint, nil, int64(gain), videoURI}, nil
+		} else {
+			return Exercice{eid, title, statement, hint, &depend.Id, int64(gain), videoURI}, nil
+		}
 	}
 }