diff --git a/categories.txt b/categories.txt
index 3397dd4..ba066a4 100644
--- a/categories.txt
+++ b/categories.txt
@@ -1,40 +1,40 @@
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_cenchroides
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_amurensis
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_captive_Falco_berigora
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_captive_Falco_biarmicus
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_cherrug
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_columbarius
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_naumanni
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_rusticolus
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_sparverius
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_tinnunculus
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Falco_vespertinus
-https://commons.wikimedia.org/wiki/Category:Quality_images_of_Caracara_plancus
+Category:Quality_images_of_Falco_cenchroides
+Category:Quality_images_of_Falco_amurensis
+Category:Quality_images_of_captive_Falco_berigora
+Category:Quality_images_of_captive_Falco_biarmicus
+Category:Quality_images_of_Falco_cherrug
+Category:Quality_images_of_Falco_columbarius
+Category:Quality_images_of_Falco_naumanni
+Category:Quality_images_of_Falco_rusticolus
+Category:Quality_images_of_Falco_sparverius
+Category:Quality_images_of_Falco_tinnunculus
+Category:Quality_images_of_Falco_vespertinus
+Category:Quality_images_of_Caracara_plancus
 Category:Quality_images_of_Accipiter_badius
 Category:Quality_images_of_Accipiter_cooperii
 Category:Quality_images_of_Accipiter_minullus
 Category:Quality_images_of_Accipiter_nisus
-Category:Quality images of Aquila audax
-Category:Quality images of Aquila chrysaetos
-Category:Quality images of captive Aquila heliaca
-Category:Quality images of captive Aquila nipalensis
-Category:Quality images of Aquila spilogaster
-Category:Quality images of Buteo augur
-Category:Quality images of Buteo buteo
-Category:Quality images of Buteo galapagoensis
-Category:Quality images of Buteo jamaicensis
-Category:Quality images of Buteo lineatus
-Category:Quality images of Buteo regalis
-Category:Quality images of Buteogallus
-Category:Quality images of Circaetus gallicus
-Category:Quality images of Circaetus pectoralis
-Category:Quality images of Circus aeruginosus
-Category:Quality images of Circus cyaneus
-Category:Quality images of Circus hudsonius
-Category:Quality images of Haliaeetus albicilla
-Category:Quality images of Haliaeetus leucocephalus
-Category:Quality images of Haliaeetus leucogaster
-Category:Quality images of captive Haliaeetus pelagicus
-Category:Quality images of Haliaeetus vocifer
-Category:Quality images of Haliastur indus
-Category:Quality images of Haliastur sphenurus
\ No newline at end of file
+Category:Quality_images_of_Aquila_audax
+Category:Quality_images_of_Aquila_chrysaetos
+Category:Quality_images_of_captive_Aquila_heliaca
+Category:Quality_images_of_captive_Aquila_nipalensis
+Category:Quality_images_of_Aquila_spilogaster
+Category:Quality_images_of_Buteo_augur
+Category:Quality_images_of_Buteo_buteo
+Category:Quality_images_of_Buteo_galapagoensis
+Category:Quality_images_of_Buteo_jamaicensis
+Category:Quality_images_of_Buteo_lineatus
+Category:Quality_images_of_Buteo_regalis
+Category:Quality_images_of_Buteogallus
+Category:Quality_images_of_Circaetus_gallicus
+Category:Quality_images_of_Circaetus_pectoralis
+Category:Quality_images_of_Circus_aeruginosus
+Category:Quality_images_of_Circus_cyaneus
+Category:Quality_images_of_Circus_hudsonius
+Category:Quality_images_of_Haliaeetus_albicilla
+Category:Quality_images_of_Haliaeetus_leucocephalus
+Category:Quality_images_of_Haliaeetus_leucogaster
+Category:Quality_images_of_captive_Haliaeetus_pelagicus
+Category:Quality_images_of_Haliaeetus_vocifer
+Category:Quality_images_of_Haliastur_indus
+Category:Quality_images_of_Haliastur_sphenurus
\ No newline at end of file
diff --git a/server.rb b/server.rb
index f739d4d..0a515ed 100644
--- a/server.rb
+++ b/server.rb
@@ -21,4 +21,9 @@ get '/api/random' do
     content_type :json
     image = get_random_image(get_images_by_category(categories))
     image.to_json
+end
+
+get '/api/categories' do
+    content_type :json
+    categories.to_json
 end
\ No newline at end of file