Angular 21 Tutorial in Hindi #54 | Call API with toSignal | HttpClient without subscribe

Publicado em: 07 Janeiro 2026
no canal de: Mohit Decodes

617

In this video, you’ll learn how to call REST APIs using toSignal() in Angular 21, the modern alternative to subscribe().

We’ll create a service, make API calls using HttpClient, convert Observables to Signals using toSignal(), and bind API data directly to the UI reactively.

This approach reduces boilerplate, avoids manual subscriptions, and fits perfectly with Angular’s Signals-first future.
A must-watch for interviews and real-world Angular projects.

📘 What You’ll Learn
-- Why Angular introduced toSignal()
-- Create a Service for API calls
-- Call API using HttpClient
-- Convert Observable → Signal using toSignal()
-- Handle API responses without subscribe()
-- Bind API data to UI using Signals
-- Error & loading handling basics
-- subscribe() vs toSignal() comparison
-- Angular interview questions

⚙️ Tech Used
Angular 21, Angular CLI, Node.js, VS Code, Terminal

📢 Resources:
👉 Angular Documentation - https://angular.dev/overview
👉 GitHub Code Link - https://github.com/mohitdjcet/angular...

📂 Playlist Links:
Angular 21 Full Course Video (Hindi):    • Angular 21 Full Course in Hindi (2026) | B...
JavaScript Full Course Video (Hindi):    • JavaScript Full Course 2025  | 4 Projects ...
Python Full Course Video (Hindi):    • Python Full Course in Hindi 2025 | Complet...
Django Full Course Video (Hindi):    • Django Tutorial in Hindi 2026 | Complete D...
NodeJS Full Course Video (Hindi):    • Complete Node.js + Express.js + MongoDB Co...
Git and GitHib Copilot Full Course Video (Hindi):    • GitHub Copilot Full Course in 1 Video | Gi...

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