Wiki Article · Cinematic

API

API ka full form commonly “Application Programming Interface” maana jata hai (Not confirmed as a…

Overview

API — Quick Facts

📌

Field: Value

🎯

Type: Software interface / contract

⚡

Primary use: Systems ko integrate karna (apps,…

🔑

Common building blocks: Endpoints, requests, responses,…

Topic 1

Overview

💡

Client ko bas contract pata ho.

🔑

Server contract follow karke…

⚡

Dono independently evolve kar…

Topic 2

Why APIs exist

💡

Integration easy hoti hai (mobile…

🔑

Responsibilities separate hoti…

⚡

Reuse possible hota hai (same…

🎯

Automation aur tooling easy hoti…

Topic 3

How APIs work (beginner)

💡

Client request bhejta hai (kya…

🔑

Server request validate karta hai…

⚡

Server processing karta hai…

🎯

Server response bhejta hai (data +…

Topic 4

Types of APIs

💡

Public API: external developers…

🔑

Partner API: limited partners ke…

⚡

Private/internal API: organization…

Topic 5

API styles (REST, GraphQL, gRPC)

💡

REST: resource-oriented endpoints…

🔑

GraphQL: client-driven queries;…

⚡

gRPC: strongly-typed remote calls;…

Topic 6

Key components

💡

Endpoint naming (consistent)

🔑

Methods/operations (what actions)

⚡

Data model (what fields)

🎯

Error model (how failures look)

Topic 7

Security and privacy

💡

Deny by default: permission clear…

🔑

Validate everything: inputs,…

⚡

Least privilege: token ko minimum…

🎯

Secrets safe: keys/tokens codebase…

Topic 8

Performance considerations

💡

Serialization cost (JSON etc.)…

🔑

Network latency

⚡

Caching strategy

🎯

Pagination for large lists

Topic 9

Documentation and lifecycle

💡

Clear endpoints + examples…

🔑

Change management (versioning,…

⚡

Observability readiness…

Topic 10

Common mistakes

💡

Breaking changes bina versioning

🔑

Inconsistent error format

⚡

No authZ rules

🎯

No rate limiting

Topic 11

Comparison: REST vs GraphQL vs gRPC (conceptual)

🎯 Offline constraints ki wajah se table conceptual hai. | Dimension | REST | GraphQL | gRPC…

Topic 12

Glossary

💡

API: software contract/interface.

🔑

Client: consumer app/service.

⚡

Server: provider app/service.

🎯

Request: input message.

Comparison

Comparison: REST vs GraphQL vs gRPC (conceptual)

⚖️

Mental model: Resources

⚖️

Typical transport: HTTP (conceptual)

⚖️

Strength: Simple + cache-friendly…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

API ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

API ka 'Type' kya hai?

Complete! 🎉

API Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

✅

API Complete

➡️

API

API — Quick Facts

Field: Value

Type: Software interface / contract

Primary use: Systems ko integrate karna (apps,…

Common building blocks: Endpoints, requests, responses,…

Overview

Client ko bas contract pata ho.

Server contract follow karke…

Dono independently evolve kar…

Why APIs exist

Integration easy hoti hai (mobile…

Responsibilities separate hoti…

Reuse possible hota hai (same…

Automation aur tooling easy hoti…

How APIs work (beginner)

Client request bhejta hai (kya…

Server request validate karta hai…

Server processing karta hai…

Server response bhejta hai (data +…

Types of APIs

Public API: external developers…

Partner API: limited partners ke…

Private/internal API: organization…

API styles (REST, GraphQL, gRPC)

REST: resource-oriented endpoints…

GraphQL: client-driven queries;…

gRPC: strongly-typed remote calls;…

Key components

Endpoint naming (consistent)

Methods/operations (what actions)

Data model (what fields)

Error model (how failures look)

Security and privacy

Deny by default: permission clear…

Validate everything: inputs,…

Least privilege: token ko minimum…

Secrets safe: keys/tokens codebase…

Performance considerations

Serialization cost (JSON etc.)…

Network latency

Caching strategy

Pagination for large lists

Documentation and lifecycle

Clear endpoints + examples…

Change management (versioning,…

Observability readiness…

Common mistakes

Breaking changes bina versioning

Inconsistent error format

No authZ rules

No rate limiting

Comparison: REST vs GraphQL vs gRPC (conceptual)

Glossary

API: software contract/interface.

Client: consumer app/service.

Server: provider app/service.

Request: input message.

Comparison: REST vs GraphQL vs gRPC (conceptual)

Mental model: Resources

Typical transport: HTTP (conceptual)

Strength: Simple + cache-friendly…

Visual Flow

See Also

HTTP

URL

JSON

Microservices

Authentication

Authorization

Quiz — Question 1

Quiz — Question 2

API Complete!

API Complete

HTTP