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ThenAndThere
Failed API calls, matched to their cloud logs in Chrome
ThenAndThere is a Chrome extension for developers who are tired of this loop: frontend request fails → open AWS/GCP console → guess the right log group → hunt by timestamp → maybe find the error. It watches failed API calls in the browser, then pulls the matching logs into a side panel. No backend changes. No DevTools required. Built for people shipping apps on AWS or GCP who want the backend story next to the failed request, not three tabs away.
Hey everyone, I built ThenAndThere to solve a problem I encounter almost every day - something breaks in the UI, I know the backend probably logged why and then I spend the next ten minutes trying to find that one log line.
It happens all the time, you hit a 4xx or a 500, open CloudWatch or GCP, pick a log group, look at timestamps, scroll to find the correct request... Worst when you’re mid-flow in the app and really don’t want to context-switch into the console.
ThenAndThere does that correlation for you. You map an API host to its cloud logs (AWS CloudWatch or GCP Cloud Logging). When a request fails, the extension queries logs around that moment and shows ranked matches in a Chrome side panel. Request IDs get priority when present. No backend instrumentation required.
It’s free on the Chrome Web Store - install, add a project, trigger a failing request, and open the side panel. Source available on GitHub.
Happy to answer anything in the comments. Thanks for checking it out and any feedback you might have!
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About ThenAndThere on Product Hunt
“Failed API calls, matched to their cloud logs in Chrome”
ThenAndThere was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #148 on the daily leaderboard. ThenAndThere is a Chrome extension for developers who are tired of this loop: frontend request fails → open AWS/GCP console → guess the right log group → hunt by timestamp → maybe find the error. It watches failed API calls in the browser, then pulls the matching logs into a side panel. No backend changes. No DevTools required. Built for people shipping apps on AWS or GCP who want the backend story next to the failed request, not three tabs away.
ThenAndThere was featured in Chrome Extensions (52.7k followers), Open Source (68.7k followers), Developer Tools (517.4k followers) and GitHub (41.4k followers) on Product Hunt. Together, these topics include over 134.9k products, making this a competitive space to launch in.
Who hunted ThenAndThere?
ThenAndThere was hunted by Gordan Glavaš. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Gordan Glavaš