Welcome to Curlex
Curlex is a desktop app for testing and exploring APIs. Think of it as a smart notebook where you save all your API requests, run them with one click, and see exactly what comes back — without writing any code and without sending your data to anyone else's servers.
Whether you are a developer debugging a backend, a QA engineer verifying endpoints, or a product manager checking how an integration works, Curlex gives you a clean, fast workspace that lives entirely on your computer.
Why Curlex?
| Curlex | Postman | Bruno | |
|---|---|---|---|
| Requires a cloud account | No | Yes | No |
| App install size | ~15 MB | ~400 MB | ~300 MB |
| Your data stays local | Yes | No | Yes |
| All OAuth 2.0 grant types | Yes | Yes | Yes |
| PDF test reports | Yes | No | No |
| Passwords stored in OS keychain | Yes | No | No |
| Built-in secret Vault | Yes | No | No |
What You Can Do with Curlex
Test any HTTP or GraphQL API — build requests with any method, header, body type, and authentication scheme. See the response instantly, formatted and searchable.
Organise everything into collections — save requests into named collections with folders, so you can find and re-run anything in seconds.
Switch between environments with one click — define variable sets for development, staging, and production. Update a base URL or API key in one place and every request updates automatically.
Automate with scripts — write JavaScript before and after each request to generate dynamic values, validate responses, and chain data between requests.
Run entire collections automatically — use the Collection Runner to execute all requests in a collection, collect pass/fail results, and export reports as PDF, HTML, or JUnit XML.
Keep credentials safe — the Vault stores sensitive secrets in your OS keychain, encrypted and domain-restricted. They never appear in your collection files or Git history.
Where to Go Next
If this is your first time using Curlex:
- Install the app — download and set up Curlex on macOS or Windows.
- Learn the interface — a quick tour of every part of the window.
- Send your first request — build and send a real API request in under two minutes.