Authentication & Security

API Security & Rate Limiting

Secure your APIs with authentication (JWT, API keys, OAuth2), rate limiting, request validation, and protection against common attacks like DDoS and injection.

Complexity: Medium 8-13 effort units 2-3 weeks

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Project Milestone & Feature Breakdown

3

Project Milestones

6

Features

11

Total Effort Units

1

API Authentication

Multiple authentication methods

5 pts 1 week 2 Features

JWT Authentication

3 pts Medium

Token-based authentication with refresh tokens

API Keys

2 pts Simple

API key generation and validation

Deliverables

JWT middleware
API key system
Token refresh

2

Rate Limiting

Protect APIs from abuse

3 pts 3-5 days 2 Features

Rate Limits

2 pts Simple

Per-user and per-IP rate limiting

Request Throttling

1 pts Simple

Adaptive throttling under load

Deliverables

Rate limiting
Throttling
Quota management

3

Input Validation & Security

Validate and sanitize requests

3 pts 3-5 days 2 Features

Request Validation

2 pts Simple

Schema-based validation (Joi, Zod)

Security Headers

1 pts Simple

CORS, CSP, HSTS headers

Deliverables

Input validation
Security headers
CORS config

Technical Stack

JWT Express Redis Helmet express-rate-limit Joi/Zod

Key Considerations

Token expiration strategy

Rate limit thresholds

IP vs user-based limits

DDoS mitigation

Error responses

Success Criteria

API authentication enforced

Rate limits prevent abuse

Invalid requests rejected

Security headers set

No common vulnerabilities

Related Use Cases

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Medium

OAuth2 & SSO Implementation

13-21 effort units 3-5 weeks

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