diff --git a/task-1/index.ts b/task-1/index.ts
index 55e9401..c070825 100644
--- a/task-1/index.ts
+++ b/task-1/index.ts
@@ -10,6 +10,14 @@ import fetch from "node-fetch";
  * Проверяет существование пользователя на GH
  * @param username - юзернейм
  */
-export function isUserExist(username: string): Promise<boolean>{
+export async function isUserExist(username: string): Promise<boolean> {
+    const url = `https://api.github.com/users/${username}`;
+    const answer = await fetch(url , {
+        method: 'GET',
+        headers: {
+            'Content-Type': 'application/json;charset=utf-8'
+        }
+    });
+    return answer.ok;
 
-}
+}
\ No newline at end of file
diff --git a/task-2/index.ts b/task-2/index.ts
index 72204c4..874f185 100644
--- a/task-2/index.ts
+++ b/task-2/index.ts
@@ -12,10 +12,17 @@
  */
 
 export interface CatFactResponseModel{
+    fact: string;
+    length: number;
 }
 
 export interface TranslateRequestModel{
+    q: string;
+    source: string;
+    target: string;
+    format: "text"|"html";
 }
 
 export interface TranslateResponseModel{
-}
+    translatedText: string;
+}
\ No newline at end of file
diff --git a/task-3/index.ts b/task-3/index.ts
index 4497e60..5763971 100644
--- a/task-3/index.ts
+++ b/task-3/index.ts
@@ -4,6 +4,13 @@
  * С помощью предыдущих моделей запроси рандомный факт о котиках
  */
 
-export function getCatFact(): Promise<CatFactResponseModel>{
+import fetch from "node-fetch";
+import {CatFactResponseModel} from "../task-2";
 
-}
+export async function getCatFact(): Promise<CatFactResponseModel> {
+    const answer = await fetch("https://catfact.ninja/fact");
+    if (answer.ok){
+        return await answer.json() as CatFactResponseModel
+    }
+    throw new Error();
+}
\ No newline at end of file
diff --git a/task-4/index.ts b/task-4/index.ts
index ea39628..b2597dc 100644
--- a/task-4/index.ts
+++ b/task-4/index.ts
@@ -4,7 +4,22 @@
  * Так как мы получаем факты о котиках на непонятном языке,
  * давай переведем их на русский))
  */
+import {CatFactResponseModel, TranslateResponseModel} from "../task-2";
+import fetch from "node-fetch";
 
-export function translateCatFact(fact: CatFactResponseModel): Promise<TranslateResponseModel>{
-
-}
+export async function translateCatFact(fact: CatFactResponseModel): Promise<TranslateResponseModel>{
+    const answer = await fetch("https://trans.zillyhuhn.com/translate", {
+        method: "POST",
+        body: JSON.stringify({
+            q: fact.fact,
+            source: "en",
+            target: "ru",
+            format: "text"
+        }),
+        headers: { "Content-Type": "application/json" }
+    });
+    if(answer.ok) {
+        return await answer.json() as TranslateResponseModel;
+    }
+    throw new Error();
+}
\ No newline at end of file