Unlogged

In plain words

Unlogged is an open-source tool for Java developers that records API traffic to automatically generate unit tests, mock databases and external APIs, and monitor method performance. It captures and replays method inputs and outputs, integrates with CI/CD pipelines for code coverage analysis, and operates as a JetBrains plugin. The tool aims to streamline testing and optimization workflows for Java development teams.

written from the facts on this page · September 2026

From the sources

Unlogged: Open-source tool for Java devs to instantly mock DB/APIs, auto-generate unit tests from API traffic, monitor method performance, and save/replay method inputs & outputs. Integrates with CI for code coverage. Install to boost your Java DevOps!

Release Notes - 2024.2.13 New Features and Enhancements We are excited to announce the latest release of our service, introducing *Unlogged Premium*! Our premium plan...

• UO
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  Hello HN! Parth, and Shardul here. We have been building unlogged.io for the last 21 months. We started as a time travel debugger and pivoted to record and replay with assertions, mocking, and code coverage. You can save the replays in the form of a JSON and commit them to your git. Both Parth and I come from an e-commerce/payments background where production bugs meant heavy financial losses. Big billion days/Black Friday sales meant months of code freezes with low productivity. Before committing the code, we wanted to replay production traffic and know the breaking changes right…

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