Lambda Webhooks Forwarding

This lambda function forward all (JSON) webhooks received (via AWS API Gateway) to a list of endpoints defined in an environment variable.

Setup

Go to Amazon Lambda and create a new blank function. Keep node.js 4.3 as runtime.
Clone this repository, run npm install request and then zip -r lambda.zip *
Upload this zip to Amazon Lambda
Add the environment variable ENDPOINTS and set all forwarded endpoints as value (separated by a pipe | )
Create a new role and use it
Create the function

Go to AWS API Gateway and create an API. You only have to choose a name (ie. webhook-redirector)
Create a resource (= the path) (ie. /webhook)
Create a method (POST)
Choose the region of your lambda function
Type the name of the function and save
Deploy the API (Actions / Deploy API), create a new stage (ie. production or beta)
You will find the webhook URL, which looks like https://.execute-api..amazonaws.com/
Use this endpoint for every webhooks you want to forward to multiple endpoints

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