01Current
NPQuest
Mission 1
Mission 1: Жизненный цикл API-запроса. Read the briefing, solve the practice quest, and bank the XP.
+45 XP
World 7 / Builder Zone
API and Backend
Build the client-side logic behind API-powered apps. Practice GET requests, error and retry states, POST feedback, API client functions, pagination, optimistic updates, empty states and a final Course API Dashboard. Clear lessons to unlock next zone. Boss Project waits at the end.
NP
World entranceAPI MountainsBiome: Ice
The frozen mountains test API work, auth, tokens, backend flow, and reliable data loading.
Guide: Backend Sherpa
Reward skill: Network confidence
Objective: Clear lessons, solve quests, bank XP, and open the next part of the map.
Route progress0%
API Mountains
Connect the app to data and safe user access.
Route progress0%
Free quest
0 / 9 lessons
World 2Builder ZoneBoss Project
World route
What you will build
Load data and handle network, loading, and error states.
What you should know
World 6: Navigation
Recommended previous world
World 6: NavigationNext world
World 8: AuthenticationStatus
Free
World
World 2
Time
8 h 50 min
Map
4 zones / 9 lessons
Lessons
0 / 9 lessons
Sign in to save progress and XP.
Quest mapAPI Mountains0/9
Token Frostguard
02Locked
Quest
Mission 2
Mission 2: GET: загрузка списка курсов. Read the briefing, solve the practice quest, and bank the XP.
+55 XP
03Locked
Challenge
Mission 3
Mission 3: Error state и Retry. Read the briefing, solve the practice quest, and bank the XP.
+55 XP
04Locked
Quest
Mission 4
Mission 4: POST: отправка feedback. Read the briefing, solve the practice quest, and bank the XP.
+60 XP
05Locked
Quest
Mission 5
Mission 5: API client function. Read the briefing, solve the practice quest, and bank the XP.
+55 XP
06Locked
Reward
Mission 6
Mission 6: Pagination: Load more. Read the briefing, solve the practice quest, and bank the XP.
+65 XP
07Locked
Quest
Mission 7
Mission 7: Optimistic update. Read the briefing, solve the practice quest, and bank the XP.
+65 XP
08Locked
Quest
Mission 8
Mission 8: Empty state после API. Read the briefing, solve the practice quest, and bank the XP.
+45 XP
09Locked
Boss
Boss mission
Boss mission: Final project: Course API Dashboard. Combine the zone patterns into one final result. Connect the app to data and safe user access.
+95 XP
Mission 1
Mission 1: Жизненный цикл API-запроса. Read the briefing, solve the practice quest, and bank the XP.
Skill collectedNetwork confidence
Final objectiveAPI Mountains
Token Frostguard
World goal: Connect the app to data and safe user access.
Skill collected: Network confidence
/course-assets/lessons/api-backend/request-lifecycle.svg
Level 1
Request lifecycle и GET
This module moves through a focused part of API and Backend. Each lesson includes a practical task, validation rules and a hidden solution.
Zone 1
Zone 1: Request lifecycle и GET. Clear the missions inside this zone to charge the path forward.
Level 1NEXT LEVEL+45 XP
Жизненный цикл API-запроса
Mission 1: Жизненный цикл API-запроса. Read the briefing, solve the practice quest, and bank the XP.
45 min
Level 2LOCKED+55 XP
GET: загрузка списка курсов
Mission 2: GET: загрузка списка курсов. Read the briefing, solve the practice quest, and bank the XP.
55 minComplete previous level
Level 3LOCKED+55 XP
Error state и Retry
Mission 3: Error state и Retry. Read the briefing, solve the practice quest, and bank the XP.
55 minComplete previous level
/course-assets/lessons/api-backend/post-feedback.svg
Level 2
POST, API client и pagination
This module moves through a focused part of API and Backend. Each lesson includes a practical task, validation rules and a hidden solution.
Zone 2
Zone 2: POST, API client и pagination. Clear the missions inside this zone to charge the path forward.
Level 1LOCKED+60 XP
POST: отправка feedback
Mission 4: POST: отправка feedback. Read the briefing, solve the practice quest, and bank the XP.
1 hComplete previous level
Level 2LOCKED+55 XP
API client function
Mission 5: API client function. Read the briefing, solve the practice quest, and bank the XP.
55 minComplete previous level
Level 3LOCKED+65 XP
Pagination: Load more
Mission 6: Pagination: Load more. Read the briefing, solve the practice quest, and bank the XP.
1 h 5 minComplete previous level
/course-assets/lessons/api-backend/optimistic-update.svg
Level 3
Product API patterns
This module moves through a focused part of API and Backend. Each lesson includes a practical task, validation rules and a hidden solution.
Zone 3
Zone 3: Product API patterns. Clear the missions inside this zone to charge the path forward.
Level 1LOCKED+65 XP
Optimistic update
Mission 7: Optimistic update. Read the briefing, solve the practice quest, and bank the XP.
1 h 5 minComplete previous level
Level 2LOCKED+45 XP
Empty state после API
Mission 8: Empty state после API. Read the briefing, solve the practice quest, and bank the XP.
45 minComplete previous level
Boss Level
Boss LevelBoss Project
Финальный API Dashboard
This module moves through a focused part of API and Backend. Each lesson includes a practical task, validation rules and a hidden solution.
Boss zone
Boss zone: Финальный API Dashboard. This is where the world turns into a portfolio proof. Final boss project.
Level 1Boss LevelLOCKED+95 XP
Final project: Course API Dashboard
Boss mission: Final project: Course API Dashboard. Combine the zone patterns into one final result. Connect the app to data and safe user access.
1 h 25 minFinal QuestComplete previous level
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XP PRACTICE
Reinforce what you learned
Need a break from lessons? Play a short code game or test your speed in the Arena.