The engineering team at Mixmax loves Slack integrations. Slack's webhook API makes it super easy to integrate external data right into the heart of our internal communications. With just a few clicks we can configure integrations like Github pull requests or PagerDuty alerts. One of our most wished for integrations is for our PaaS provider (Modulus.io) to send project state changes into Slack. Modulus has webhooks for each project upon state change, but the webhook needs some simple manipulation to get it into a working Slack format. It's not a lot of code to do this manipulation, but setting up yet another project seemed like over kill. We could have added a single HTTP endpoint to an existing service to handle this simple webhook redirection, but that's against our philisophy of microservices.

Once Amazon released API Gateway we knew instantly how we were going to build our Modulus-to-Slack bot.
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