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Dev tools · May 27, 2016

EchoSim

Amazon's Alexa in your browser

EchoSim launched on May 27, 2016 with 169 votes, #193 of 3,824 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 10 years on.

What it does

Echosim.io is an online community tool for developers that simulates the look and feel of an Amazon Echo.

Echosim.io was launched in 2016 to help developers test their skills without access to a physical device. It became a reliable, trusted partner in our skill development journey. Over the past few years, a new crop of tools have emerged that offer more integration, more opportunity, and more features. The testing simulator in the Developer Console emerged with voice and text input, full visibility into the request and response payloads, and even an APL simulator. There are also a large number of external Alexa development tools that provide fantastic experiences for skill building. Though Echosim was still being used, many of these newer tools replaced the functionality that our old friend…from echosim.io

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