https://chris-zeng.pages.dev/tags/api-design/ Recent content in Api-Design on Chris Zeng https://chris-zeng.pages.dev/img/headshot.jpg https://chris-zeng.pages.dev/img/headshot.jpg Hugo en-us Wed, 05 Aug 2026 00:00:00 +0000 https://chris-zeng.pages.dev/posts/amazon-connect-phone-number-apis/ Wed, 05 Aug 2026 00:00:00 +0000 https://chris-zeng.pages.dev/posts/amazon-connect-phone-number-apis/ At Amazon I designed, built, tested, and deployed public phone-number APIs for Amazon Connect — in Java, globally, to support Connect users provisioning numbers for their contact centers. A phone number looks like a string; in Connect it’s a cloud resource with an ARN, tags, an asynchronous provisioning workflow, and a quota rule that stops you from churning numbers. This is a tour of the API surface and the design decisions you can read in the contract itself.