Skip to main content

API Design Specification

Pro

Design RESTful or GraphQL APIs with endpoints, schemas, auth, error handling, and pagination

APIEngineeringArchitecture

About the API Design Specification Prompt Template

This technical template assigns the AI the role of an API architect who designs clean, consistent, well-documented APIs following industry best practices, so the prompt it builds is framed by genuine subject-matter expertise rather than a generic request.

What it does: Design a your api style API for your service that supports your operations with your auth method authentication.

You fill in 6 fields (5 required, 1 optional), and SurePrompts assembles a complete, structured prompt you can paste straight into ChatGPT, Claude, or Gemini.

Create technical documentation, code explanations, and developer-focused content with AI.

How to Use This Template

  1. 1

    Fill in Service / Domain

    e.g., User management, E-commerce orders, Content publishing, IoT device control

  2. 2

    Fill in API Style

    Enter the api style for your prompt.

  3. 3

    Fill in Key Operations

    List the main things the API should do, e.g.: - Create/read/update/delete users - Upload files - Search with filters - Real-time notifications

  4. 4

    Fill in Authentication

    Enter the authentication for your prompt.

  5. 5

    Fill in API Consumers

    Enter the api consumers for your prompt.

  6. 6

    Fill in Expected Scale

    Enter the expected scale for your prompt.

  7. 7

    Copy your prompt

    Click the copy button to copy your generated prompt, then paste it into your preferred AI tool.

Template Fields

Every field below maps to a part of the finished API Design Specification prompt. Required fields shape the core request; optional fields add detail and control.

Service / DomaintextRequired

A required input that takes a short line of text.

Example: e.g., User management, E-commerce orders, Content publishing, IoT device control

API StyleselectRequired

A required input that takes one option from a list. Choose from 4 preset choices.

Available choices:

RESTGraphQLgRPCREST + WebSocket
Key OperationsmultilineRequired

A required input that takes a longer, multi-line value.

Example: List the main things the API should do, e.g.: - Create/read/update/delete users - Upload files - Search with filters - Real-time notifications

AuthenticationselectRequired

A required input that takes one option from a list. Choose from 5 preset choices.

Available choices:

JWT Bearer tokenAPI keyOAuth 2.0Session-basedNone (public)
API ConsumersmultiselectRequired

A required input that takes one or more options from a list. Choose from 5 preset choices.

Available choices:

Web frontend (SPA)Mobile appThird-party developersInternal microservicesCLI tools
Expected Scaleselect

An optional input that takes one option from a list. Choose from 4 preset choices.

Available choices:

Low (< 100 req/min)Medium (100-1000 req/min)High (1000+ req/min)Massive (10K+ req/min)
Use This Template

This is a Pro template. Upgrade to access.

Related Resources

Blog Post

5 Prompt Patterns for API Documentation and Integration

Copy-paste prompt templates for writing API docs, generating integration guides, troubleshooting endpoints, and creating SDK examples.

Blog Post

5 Prompt Patterns for AI-Assisted Code Review

Five prompt patterns for thorough AI code reviews. Covers security audits, performance checks, readability, bug detection, and architecture review.

Blog Post

MCP and Tool Use Prompting: How to Write Prompts for AI That Uses Tools (2026)

AI models don't just generate text anymore — they call APIs, query databases, and execute code. Learn how to write prompts that guide tool-using AI effectively, from function calling basics to MCP server architecture.

Related Templates

Bug Report

Write a clear, actionable bug report that developers can act on immediately

README Generator

Create a professional README.md for any project or repository

API Endpoint Documentation

Document an API endpoint with request/response examples

Git Commit Message

Write clear, conventional commit messages with proper scope and description