HTTL

HTTL is a specialized programming language built for one primary purpose: working with HTTP. Instead of writing complex code in a general-purpose language, you write simple, clean commands that directly correspond to HTTP methods like GET, POST, or PUT. It lets you quickly test APIs, fetch data from web services, and interact with endpoints without the usual boilerplate code. The language syntax is minimal and focused entirely on the task of making web calls.

What makes HTTL stand out is its deep integration with OpenAPI specifications. You can point it at an OpenAPI spec file, and it will use that information to provide intelligent autocomplete. By pressing Ctrl+Space or Option+Esc, you can see all available API paths and methods directly within your code, which drastically reduces errors and the need to constantly reference external documentation. It’s a dedicated environment for API interaction.

This tool is a great fit for backend developers, API testers, and DevOps engineers who regularly work with web services. It simplifies the process of manually testing endpoints during development or debugging. You could use it to quickly check if a new API endpoint is returning the correct data, to script a series of requests for a smoke test, or to explore a new API you’re integrating with, all from a streamlined, purpose-built interface.