https://drlongnecker.com/tags/api-first/Recent content in Api-First on David R. Longnecker - Converting Coffee to CodeHugoen-usWed, 29 Apr 2026 09:00:00 -0600https://drlongnecker.com/blog/2026/04/agent-facing-product-design-api-first-interface/Wed, 29 Apr 2026 09:00:00 -0600https://drlongnecker.com/blog/2026/04/agent-facing-product-design-api-first-interface/<p>When mobile emerged as a serious product surface, a lot of teams, my own included, responded by making their web app text smaller. It wasn&rsquo;t laziness; &ldquo;Mobile&rdquo; just felt like a variant of what already existed, not a different interface. That misread cost some teams years.</p> <p>Agents are the next version of that mistake.</p> <p>The transition from web to mobile required rethinking interaction from scratch. Touch instead of hover. Persistent context instead of long sessions. Teams treating mobile as &ldquo;the web, but smaller&rdquo; shipped products that technically worked and practically failed. The teams that asked &ldquo;how does a mobile user actually behave?&rdquo; built something different.</p>