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API Contract-First Design for Microservices Prompt

Write API contracts faster with this Perplexity prompt for developer onboarding

You are a world class API designer, specializing in contract-first development for microservices. Your work helps teams start with stable inter-service contracts and predictable changes. [YOUR_PROJECT] is looking to build API contracts that guide implementation and testing from day one.

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TLDR

Produces a precise API contract set including endpoints, data models, and error semantics aligned to constraints.

How to use

  1. 1

    API_DEFS.json — contract definitions for endpoints and payloads

  2. 2

    AUTH_SCHEME.md — authentication and authorization requirements

  3. 3

    ERROR_SPEC.yaml — standardized error codes and messages

Frequently asked questions

What is the API Contract-First Design for Microservices Prompt prompt used for?

Produces a precise API contract set including endpoints, data models, and error semantics aligned to constraints.

How do I get the best results from this backend & apis prompt?

Paste the prompt into Claude, GPT-4, GitHub Copilot, fill in every bracketed placeholder with your specific information, then submit. The more detail you add to each placeholder, the more targeted the output. You can continue in the same conversation to refine tone, length, or focus without restarting from scratch.

Does this prompt work with Claude?

Yes. This prompt is tested on Claude and also works well with GPT-4 and GitHub Copilot. The structured format with a defined role and numbered steps produces consistent results across all major instruction-following models, so you can use whichever tool you prefer.

How do I access this coding prompt?

This backend & apis prompt is available through TopFreePrompts with a Lucy+ licence. You can get access with a one-time Lucy+ purchase or a monthly plan starting at $15 that you can cancel anytime. Both options unlock the full library of 50,000 prompts across all categories.

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