Rate Limiting Specifications

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Rate Limiting Specifications

As a service provider, I want to implement rate limiting on my REST API endpoints to ensure fair usage, prevent abuse, and help maintain the quality of service for all users.

Acceptance Criteria

• The API enforces a limit of 100 requests per minute per user.
• Upon reaching the limit, the API returns a 429 (Too Many Requests) HTTP status code.
• Rate limiting headers such as X-RateLimit-Limit, X-RateLimit-Remaining, and X-RateLimit-Reset are included in the response.
• Users are informed of the duration after which they can resume making requests once rate limited.
• The system supports a mechanism to whitelist certain users or IPs from rate limiting.
• The API provides endpoint-specific rate limits if necessary.
• The rate limiting system is scalable and can handle an increase in traffic.
• The implementation of rate limiting does not significantly impact the response time of the API.

sequenceDiagram
  participant User
  participant API
  participant RateLimiter
  User->>API: Request resources
  API->>RateLimiter: Check user's request count
  RateLimiter->>API: User under limit
  API->>User: Provide requested resources
  Note over User,API: User makes too many requests
  RateLimiter-)API: User over limit
  API->>User: Return 429 Too Many Requests

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