diff --git a/reverso.el b/reverso.el
index a30371f..423f90f 100644
--- a/reverso.el
+++ b/reverso.el
@@ -31,6 +31,94 @@
 (require 'request)
 (require 'transient)
 
+(defconst reverso--languages
+  '((translation . (arabic chinese dutch english french german hebrew
+                           italian japanese korean polish portugese
+                           romanian russian spanish swedish turkish
+                           ukrainian))
+    (context . (arabic german english spanish french hebrew italian
+                       japanese dutch polish portugese romanian
+                       russian swedish turkish ukrainian chinese))
+    (grammar . (english french))
+    (synonims . (arabic german english spanish french hebrew italian
+                        japanese dutch polish portugese romanian
+                        russian)))
+  "Available languages for diferent operations.")
+
+(defconst reverso--language-mapping
+  '((arabic . ara)
+    (german . ger)
+    (spanish . spa)
+    (french . fra)
+    (hebrew . heb)
+    (italian . ita)
+    (japanese . jpn)
+    (dutch . dut)
+    (polish . pol)
+    (portuguese . por)
+    (romanian . rum)
+    (russian . rus)
+    (ukrainian . ukr)
+    (turkish . tur)
+    (chinese . chi)
+    (english . eng)))
+
+(defconst reverso--urls
+  '((translation . "https://api.reverso.net/translate/v1/translation")
+    (context . "https://context.reverso.net/translation/")
+    (grammar . "https://orthographe.reverso.net/api/v1/Spelling")
+    (synomyms . "https://synonyms.reverso.net/synonym/"))
+  "URLs with reverso endpoints.")
+
+(defconst reverso--user-agents
+  '("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36"
+    "Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0"
+    "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0"
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36"
+    "Mozilla/5.0 (Windows NT 10.0; rv:103.0) Gecko/20100101 Firefox/103.0"
+    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36"
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6 Safari/605.1.15"
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:103.0) Gecko/20100101 Firefox/103.0")
+  "User-Agents to use for reverso.el requests.
+
+A random one is be picked at package initialization.")
+
+(defvar reverso--user-agent
+  (nth (random (length reverso--user-agents))
+       reverso--user-agents)
+  "User-Agent to use for reverse.el requests.")
+
+(defun reverso--translate (text source target cb)
+  (unless (alist-get source reverso--language-mapping)
+    (error "Wrong language: %s" source))
+  (unless (alist-get target reverso--language-mapping)
+    (error "Wrong language: %s" target))
+  (request (alist-get 'translation reverso--urls)
+    :type "POST"
+    :data (json-encode
+           `((format . "text")
+             (from . ,(alist-get source reverso--language-mapping))
+             (input . ,text)
+             (options . ((contextResults . t)
+                         (languageDetection . t)
+                         (origin . "reversomobile")
+                         (sentenceSpliiter . :json-false)))
+             (to . ,(alist-get target reverso--language-mapping))))
+    :headers `(("Content-Type" . "application/json")
+               ("Accept" . "*/*")
+               ("Connection" . "keep-alive")
+               ("User-Agent" . ,reverso--user-agent))
+    :parser 'json-read
+    :encoding 'utf-8
+    :success (cl-function
+              (lambda (&key data &allow-other-keys)
+                (funcall cb data)))
+    :error (cl-function
+            (lambda (&key error-thrown &allow-other-keys)
+              (message "Error!: %S" error-thrown)))))
+
+;; (reverso--translate "Your god is war" 'english 'german (lambda (&rest kek) (setq my/test kek)))
+
 
 (provide 'reverso)
 ;;; reverso.el ends here