--- title: API Challenges with Swagger UI and Simulator Requests description: API Challenges, a platform for learning API testing, has received several updates. The project now has its own dedicated GitHub repository separate from the... canonical: https://daily.dev/posts/api-challenges-with-swagger-ui-and-simulator-requests-9pqdyvbr2 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: API Challenges with Swagger UI and Simulator Requests | daily.dev og:description: API Challenges, a platform for learning API testing, has received several updates. The project now has its own dedicated GitHub repository separate from the... og:url: https://daily.dev/posts/api-challenges-with-swagger-ui-and-simulator-requests-9pqdyvbr2 og:image: https://api.daily.dev/og/posts/9PQdYvBR2.png og:image:alt: API Challenges with Swagger UI and Simulator Requests og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # API Challenges with Swagger UI and Simulator Requests **[Evil Tester](https://daily.dev/sources/eviltester)** · 4 min read · 2 upvotes · 0 comments ## Summary API Challenges, a platform for learning API testing, has received several updates. The project now has its own dedicated GitHub repository separate from the Thingifier tool. A new in-browser request execution feature lets users make API calls directly from the Simulator instructions page without installing any REST client. Swagger UI pages have been added for all main APIs (Simulator, Simple API, and API Challenges), further lowering the barrier to entry. A recommended learning path is outlined, starting from in-browser requests and progressing through Swagger UI experimentation to full REST client usage. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Postman Adds Open Source Documentation and SDK Products](https://daily.dev/posts/postman-adds-open-source-documentation-and-sdk-products-wwndgjmjk) · The New Stack · 0 upvotes · 0 comments - [SmartBear’s Swagger update targets the API drift problem AI coding tools created](https://daily.dev/posts/smartbear-s-swagger-update-targets-the-api-drift-problem-ai-coding-tools-created-5scbx9kyb) · The New Stack · 0 upvotes · 0 comments - [API testing with Playwright](https://daily.dev/posts/api-testing-with-playwright-dmjcq4xg5) · CircleCI · 38 upvotes · 0 comments --- Tags: [#testing](https://daily.dev/tags/testing), [#rest-api](https://daily.dev/tags/rest-api), [#openapi](https://daily.dev/tags/openapi) [View this post on daily.dev](https://daily.dev/posts/api-challenges-with-swagger-ui-and-simulator-requests-9pqdyvbr2) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"API Challenges with Swagger UI and Simulator Requests","url":"https://daily.dev/posts/api-challenges-with-swagger-ui-and-simulator-requests-9pqdyvbr2","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/api-challenges-with-swagger-ui-and-simulator-requests-9pqdyvbr2"},"datePublished":"2026-07-17T13:28:30.999Z","dateModified":"2026-07-17T18:22:02.973Z","description":"API Challenges, a platform for learning API testing, has received several updates. 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