The API Client SDK Generator

Coding & Development / API Development Create a client-side SDK (Python, JavaScript, or TypeScript) from an OpenAPI spec or described endpoints. Difficulty: Advanced Model: GPT-4 / Claude / Gemini Use Case: SDK Generation, API Clients, Developer Experience Updated: May 2026 Why This Prompt Exists Most API clients are written manually — repetitive boilerplate for every…

The API Rate Limiter Implementation

Coding & Development / API Development Write code for rate limiting API requests by IP or user, with headers and retry-after logic. Difficulty: Advanced Model: GPT-4 / Claude / Gemini Use Case: Rate Limiting, API Protection, Security Updated: May 2026 Why This Prompt Exists Most APIs have no rate limiting — making them vulnerable to…

The API Error Handler

Coding & Development / API Development Create standardized error response formatting and handling for API endpoints (400, 401, 403, 404, 500). Difficulty: Intermediate Model: GPT-4 / Claude / Gemini Use Case: Error Handling, API Responses, Backend Development Updated: May 2026 Why This Prompt Exists Most APIs have inconsistent error responses — making them hard to…

The Authentication Middleware Builder

Coding & Development / API Development Generate JWT, OAuth, or API key authentication middleware for Express, Django, or FastAPI. Difficulty: Advanced Model: GPT-4 / Claude / Gemini Use Case: Authentication, Middleware, API Security Updated: May 2026 Why This Prompt Exists Most APIs have authentication — but implementing it correctly is easy to get wrong. You…

The OpenAPI/Swagger Generator

Coding & Development / API Development Create an OpenAPI 3.0 specification YAML file from described API endpoints and data models. Difficulty: Advanced Model: GPT-4 / Claude / Gemini Use Case: API Documentation, OpenAPI, Swagger Updated: May 2026 Why This Prompt Exists Most APIs lack documentation — or documentation is out of date. You get: no…

The RESTful API Design Prompt

Coding & Development / API Development Design a REST API specification (endpoints, methods, request/response schemas) from a described use case. Difficulty: Advanced Model: GPT-4 / Claude / Gemini Use Case: API Design, RESTful Architecture, Backend Planning Updated: May 2026 Why This Prompt Exists Most APIs are designed ad hoc — endpoints added randomly without a…