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Introducing a new cross-platform application for testing api endpoints. No sign up, no account, local-first. Get started today, call to your endpoints.
Siren includes out of the box support for many useful features:
- HTTP Request History
- Collections to hold and group requests
- Variable and environment support
- Secret management integration support with native OS provider & 1Pass for improved variable security
- Plugin system for extensibility
- Modern theme
- cURL support

SirenCall to your endpoints
Tom Brewerstarted a discussion
Siren - HTTP testing without the bloat
Throughout my career HTTP request tools have always been essential to help with API development and testing. Somewhere along the way a lot of these tools have gained bloat. They started to lock basic features behind accounts, paywalls, and opt you into telemetry you never wanted. I wanted a tool like the ones I used to remember. No account, no sign up, no tracking; local first. Siren was...
Tom Brewerleft a comment
As a software engineer working on event-based distributed systems, I often found myself wishing for a standalone tool that could make it easier to send sample messages into a system. The emphasis on message-based software has grown significantly in recent years, but the tooling to support it feels like it’s lagging behind. A few pain points I’ve encountered: • Different message brokers for...

IrisSend events to your message queues
Simplify sending test messages to your software systems with a standalone application to manage connections and send type-accurate json payloads to your message broker. Test the effect of events on your deployed applications.

IrisSend events to your message queues
