Fabrizio Lazzaretti

Generating API Specs from DDD Workshop Artifacts with Claude Opus 4.7

A walkthrough of generating API specifications from DDD workshop artifacts (API Product Canvas and Visual Glossary) using Claude Opus 4.7. The same recipe works for both OpenAPI and AsyncAPI. Demonstrated on the Catalog Search example from "Crafting Great APIs with Domain-Driven Design", showing how the model now surfaces the assumptions it bakes into the draft.

Posted by Fabrizio Lazzaretti on Sunday, April 26, 2026

Talk: Crafting Great APIs with Domain-Driven Design

Learn how to design APIs that developers love using Domain-Driven Design principles. This talk demonstrates how Domain Storytelling, Event Storming, and Context Mapping lead to well-designed APIs that reflect business understanding and are maintainable long-term.

Posted by Fabrizio Lazzaretti on Tuesday, November 25, 2025
Last Modified on Friday, December 12, 2025

Book: Crafting Great APIs with Domain-Driven Design

A comprehensive guide to crafting asynchronous and synchronous APIs using Domain-Driven Design. Learn collaborative API design between IT and business experts, covering OpenAPI, AsyncAPI, and api design in greenfield as well as modernization strategies for legacy systems.

Posted by Fabrizio Lazzaretti on Tuesday, October 28, 2025
Last Modified on Sunday, May 10, 2026

Talk: Domain-driven API Design

Der Vortrag diskutiert anhand eines "Online Bibliothek" Beispiels, wie Domain Storytelling und Event Storming zu schönen APIs führen, die Entwickler nicht hassen. Gemeinsam mit Annegret Junker zeigen wir praktische Techniken für domain-getriebenes API-Design.

Posted by Fabrizio Lazzaretti on Tuesday, June 24, 2025
Last Modified on Sunday, May 10, 2026