{
  "version": "https://jsonfeed.org/version/1.1",
  "title": "Lars Artmann — Blog",
  "home_page_url": "https://larsartmann.com/blog",
  "feed_url": "https://larsartmann.com/feed.json",
  "description": "Essays on root-cause analysis, type-driven engineering, Go, and building software that does not need its author.",
  "language": "en",
  "items": [
    {
      "id": "https://larsartmann.com/blog/when-the-api-has-no-spec-your-types-are-the-spec",
      "url": "https://larsartmann.com/blog/when-the-api-has-no-spec-your-types-are-the-spec",
      "title": "I needed a Go SDK for Wise. Nobody built one.",
      "summary": "In 2020 I used Wise's API directly. Years later, no Go SDK existed — so I built one. And discovered the API returns money as float64.",
      "date_published": "2026-08-08T00:00:00.000Z",
      "tags": [
        "go",
        "type-design",
        "api-clients"
      ]
    }
  ]
}