Thanks to the Teamleader API, you can adapt every module in Teamleader to your own wishes. With the use of the API you are able to add new data sources or collect your own data for further analysis. The API is based on simple HTTP requests. This way any platform can be integrated. The technical specifications can be found here.
Webhooks are an easy way to receive push notifications concerning events within Teamleader in real time. A webhook is just like a regular API, but works in the other direction. This way Teamleader can notify your application of changes within Teamleader. This enables you to introduce your own business logic within Teamleader.