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NestJS API Standards

Provides standardized NestJS patterns for API responses, pagination, and error handling.

Updated Jan 22, 2026
Search Tags:#typescript#api#error handling#pagination#nestjs#response wrapper
One-click install
npx skills add https://github.com/ngxtm/skill-rule --skill nestjs-api-standards-ngxtm
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: NestJS API Standards
Source: https://github.com/ngxtm/skill-rule/tree/main/rules/nestjs/api-standards
Command: npx skills add https://github.com/ngxtm/skill-rule --skill nestjs-api-standards-ngxtm

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the need for consistent API responses, pagination, and error handling in NestJS applications, improving developer experience and client-side integration.

Core Features & Use Cases

  • Generic Response Wrapper: Ensures all successful API responses follow a uniform { statusCode, data, meta } structure using TransformInterceptor.
  • Pagination Standards: Implements robust pagination with PageOptionsDto and PageDto, including Swagger integration via ApiPaginatedResponse.
  • Custom Error Response: Defines a standardized ApiErrorResponse object for consistent error reporting across the API.
  • Use Case: Applying these standards to a NestJS project ensures that all endpoints, from user retrieval to order processing, return data and errors in a predictable and easily consumable format for frontend applications.

Quick Start

Apply the NestJS API Standards to standardize response wrappers, pagination, and error handling in your project.

Frequently Asked Questions about NestJS API Standards

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I standardize all NestJS API responses into a single format?▼

To standardize NestJS API responses, use a TransformInterceptor to wrap successful outputs in a uniform `{ statusCode, data, meta }` structure. This ensures consistent API design and improves client integration across all endpoints.

What is the best way to implement pagination in NestJS with Swagger?▼

The best way to implement pagination in NestJS is by using PageOptionsDto and PageDto classes. This approach integrates Swagger decorators via ApiPaginatedResponse to automatically generate documentation for your paginated endpoints.

How do I standardize error handling in a NestJS API?▼

To standardize error handling in a NestJS API, define a custom ApiErrorResponse object. This enforces a predefined structure for error reporting, ensuring predictable error formats for frontend applications.

Does this NestJS API standardization approach require external dependencies?▼

This approach requires no external dependencies. It achieves response standardization and pagination using built-in NestJS interceptors, DTOs, and custom error response objects without adding extra libraries to your project.

Why do my NestJS API endpoints return inconsistent data structures?▼

NestJS API endpoints return inconsistent data structures when lacking a unified response wrapper. Applying a TransformInterceptor enforces a predefined `{ statusCode, data, meta }` format, making data easily consumable for clients.

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