Wiki Article · Cinematic

API gateway

API gateway ka simple matlab: ek front door jo client requests ko receive karke, rules/policies…

Overview

API gateway — Quick Facts

📌

Field: Value

🎯

Type: Architecture / platform component

⚡

Primary purpose: Central entry point + policy…

🔑

Typical placement: Client ↔ gateway ↔ services

Topic 1

Overview

📚 Gateway request ka typical flow: `mermaid flowchart LR C[Client] --> G[API Gateway] G -->…

Topic 2

Why API gateway exists

💡

Single entry point: clients ko…

🔑

Security centralization: auth, TLS…

⚡

Traffic control: rate limiting,…

🎯

Operational clarity: logs/metrics…

Topic 3

Core responsibilities (table)

🎯 | Capability | Simple meaning | Why it matters | Common pitfalls | |---|---|---|---| |…

Topic 4

Common patterns (conceptual)

💡

Edge gateway: internet-facing;…

🔑

Internal gateway: internal…

⚡

Per-tenant gateway: multi-tenant…

Topic 5

Security and policy enforcement

💡

deny-by-default routes

🔑

strong auth (tokens/keys) +…

⚡

authorization checks (roles/scopes)

🎯

request size limits

Topic 6

Traffic management

💡

Rate limiting: per…

🔑

Quotas: period based usage caps.

⚡

Burst control: spikes handle.

🎯

Backpressure: upstream overload me…

Topic 7

Routing and transformations

💡

path based (/v1/...)

🔑

host based (api.example.com)

⚡

header based (versioning) (Not…

🎯

add/remove headers

Topic 8

Observability and operations

💡

latency p50/p95/p99

🔑

error rate + status codes

⚡

request volume per route/tenant

🎯

trace propagation (correlation id)

Topic 9

High availability and resilience

💡

multiple instances + load balancer

🔑

config rollout safety (canary /…

⚡

circuit breaking / retries…

Topic 10

Performance considerations

💡

extra hop latency

🔑

policy checks overhead

⚡

keep routing tables efficient

🎯

caching for safe GETs (policy…

Topic 11

Alternatives (conceptual)

🎯 | Approach | When it fits | Trade-offs | |---|---|---| | Direct to service | few…

Topic 12

Common mistakes

💡

Gateway ko "single point of…

🔑

Gateway par auth check karna but…

⚡

Over-transformation: debugging hard

🎯

Logs me sensitive data leak

Topic 13

Checklist (table)

🔑 | Checklist item | Done criteria | |---|---| | Routes inventory | all exposed routes…

Topic 14

Glossary

💡

API gateway: central entry point…

🔑

Reverse proxy: client request ko…

⚡

Routing: request ko correct…

🎯

TLS termination: HTTPS…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

API gateway ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

API gateway ka 'Type' kya hai?

Complete! 🎉

API gateway Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

✅

API gateway Complete

➡️

API gateway

API gateway — Quick Facts

Field: Value

Type: Architecture / platform component

Primary purpose: Central entry point + policy…

Typical placement: Client ↔ gateway ↔ services

Overview

Why API gateway exists

Single entry point: clients ko…

Security centralization: auth, TLS…

Traffic control: rate limiting,…

Operational clarity: logs/metrics…

Core responsibilities (table)

Common patterns (conceptual)

Edge gateway: internet-facing;…

Internal gateway: internal…

Per-tenant gateway: multi-tenant…

Security and policy enforcement

deny-by-default routes

strong auth (tokens/keys) +…

authorization checks (roles/scopes)

request size limits

Traffic management

Rate limiting: per…

Quotas: period based usage caps.

Burst control: spikes handle.

Backpressure: upstream overload me…

Routing and transformations

path based (/v1/...)

host based (api.example.com)

header based (versioning) (Not…

add/remove headers

Observability and operations

latency p50/p95/p99

error rate + status codes

request volume per route/tenant

trace propagation (correlation id)

High availability and resilience

multiple instances + load balancer

config rollout safety (canary /…

circuit breaking / retries…

Performance considerations

extra hop latency

policy checks overhead

keep routing tables efficient

caching for safe GETs (policy…

Alternatives (conceptual)

Common mistakes

Gateway ko "single point of…

Gateway par auth check karna but…

Over-transformation: debugging hard

Logs me sensitive data leak

Checklist (table)

Glossary

API gateway: central entry point…

Reverse proxy: client request ko…

Routing: request ko correct…

TLS termination: HTTPS…

Visual Flow

See Also

API

API endpoint

API documentation

API integration

Authentication

Authorization

Quiz — Question 1

Quiz — Question 2

API gateway Complete!

API gateway Complete

API