The original title is "REST API Design Best Practices: A Practical Guide for 2026"

Short summary

A practical REST API design guide distilled from production experience, covering six validated rules: use noun-based resource URLs with HTTP methods as verbs, follow naming conventions like plural nouns and keab-case, enforce consistent error response schemas with machine-readable codes, and implement cursor-based pagination over offset-based. Includes working FastAPI middleware code for standardized error handling and SQL examples for cursor pagination.

• •Use noun-based resource URLs with HTTP methods as verbs; avoid action verbs in paths
• •Enforce consistent error schemas with machine-readable code fields and request_id for tracing
• •Prefer cursor-based pagination over offset-based to avoid duplicate/missing records on inserts

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